001 |
Two Sum |
solution |
C++ |
Java |
|
002 |
Add Two Numbers |
solution |
C++ |
|
|
003 |
Longest Substring Without Repeating Characters |
solution |
C++ |
Java |
|
004 |
Median of Two Sorted Arrays |
solution |
C++ |
Java |
|
005 |
Longest Palindromic Substring |
solution |
C++ |
|
|
|
|
|
|
|
|
007 |
Reverse Integer |
solution |
C++ |
|
|
|
|
|
|
|
|
010 |
Regular Expression Matching |
solution |
C++ |
|
|
011 |
Container With Most Water |
solution |
C++ |
|
|
012 |
Integer to Roman |
[无] |
C++ |
|
|
013 |
Roman to Integer |
[无] |
C++ |
|
|
014 |
Longest Common Prefix |
[无] |
C++ |
|
|
015 |
3Sum |
[无] |
0001-0500/C++ |
|
|
016 |
3Sum Closest |
[无] |
C++ |
|
|
017 |
Letter Combinations of a Phone Number |
solution |
C++ |
Java |
|
018 |
4Sum |
[无] |
C++ |
|
|
019 |
Remove Nth Node From End of List |
solution |
C++ |
Java |
|
020 |
Valid Parentheses |
solution |
C++ |
Java |
|
021 |
Merge Two Sorted Lists |
solution |
C++ |
|
|
022 |
Generate Parentheses |
solution |
C++ |
Java |
Python |
023 |
Merge k Sorted Lists |
solution |
C++ |
|
|
024 |
Swap Nodes in Pairs |
[无] |
C++ |
Java |
|
025 |
Reverse Nodes in k-Group |
[无] |
C++ |
|
|
026 |
Remove Duplicates from Sorted Array |
solution |
C++ |
|
|
027 |
Remove Element |
solution |
C++ |
|
|
028 |
Implement strStr() |
[无] [缺:完整BM算法, 其他模式匹配算法] |
C++ |
|
|
029 |
Divide Two Integers |
solution [缺:不使用乘法加法除法] |
C++ |
|
|
|
|
|
|
|
|
031 |
Next Permutation |
solution |
C++ |
|
|
|
|
|
|
|
|
033 |
Search in Rotated Sorted Array |
solution |
C++ |
|
|
034 |
Search for a Range |
solution |
C++ |
|
|
035 |
Search Insert Position |
solution |
C++ |
|
|
036 |
Valid Sudoku |
solution |
C++ |
|
|
037 |
Sudoku Solver |
solution [缺:Dancing Links] |
C++ |
C++ |
|
038 |
Count and Say |
[无] |
C++ |
|
|
039 |
Combination Sum |
[无] |
C++ |
|
|
040 |
Combination Sum II |
[无] |
C++ |
|
|
041 |
First Missing Positive |
solution |
C++ |
|
|
042 |
Trapping Rain Water |
solution |
C++ |
|
|
|
|
|
|
|
|
045 |
Jump Game II |
solution |
C++ |
|
|
046 |
Permutations |
solution [缺:排列算法整理] |
C++ |
Java |
|
047 |
Permutations II |
[无] |
C++ |
|
|
048 |
Rotate Image |
solution |
C++ |
|
|
049 |
Group Anagrams |
solution |
C++ |
|
|
050 |
Pow(x, n) |
[无] |
C++ |
|
|
051 |
N-Queens |
[缺:N皇后问题整理] |
C++ |
Java |
|
052 |
N-Queens II |
solution [缺:N皇后问题整理] |
C++ |
|
|
053 |
Maximum Subarray |
solution |
C++ |
|
|
054 |
Spiral Matrix |
solution |
C++ |
|
|
055 |
Jump Game |
solution |
C++ |
|
|
056 |
Merge Intervals |
solution |
C++ |
|
|
|
|
|
|
|
|
059 |
Spiral Matrix II |
[无] |
C++ |
|
|
|
|
|
|
|
|
061 |
Rotate List |
solution |
C++ |
|
|
062 |
Unique Paths |
[无] [缺:数学解] |
C++ |
|
|
063 |
Unique Paths II |
solution |
C++ |
|
|
064 |
Minimum Path Sum |
solution |
C++ |
Java |
Python |
065 |
Valid Number |
solution |
C++ |
|
|
066 |
Plus One |
[无] |
C++ |
|
|
067 |
Add Binary |
[无] |
C++ |
|
|
|
|
|
|
|
|
069 |
Sqrt(x) |
[无] |
C++ |
|
|
070 |
Climbing Stairs |
solution |
C++ |
Java |
|
071 |
Simplify Path |
[无] |
C++ |
|
|
072 |
Edit Distance |
solution |
C++ |
|
|
073 |
Set Matrix Zeroes |
solution |
C++ |
|
|
074 |
Search a 2D Matrix |
[无] |
C++ |
|
|
075 |
Sort Colors |
solution |
C++ |
Java |
Python |
076 |
Minimum Window Substring |
solution |
C++ |
|
|
077 |
Combinations |
solution |
C++ |
Java |
|
078 |
Subsets |
solution |
C++ |
|
|
079 |
Word Search |
[无] |
C++ |
Java |
|
080 |
Remove Duplicates from Sorted Array II |
[无] |
C++ |
|
|
081 |
Search in Rotated Sorted Array II |
solution |
C++ |
|
|
082 |
Remove Duplicates from Sorted List II |
[无] |
C++ |
|
|
083 |
Remove Duplicates from Sorted List |
[无] |
C++ |
|
|
084 |
Largest Rectangle in Histogram |
solution 题解 |
C++ |
|
|
085 |
Maximal Rectangle |
solution |
C++ |
|
|
086 |
Partition List |
solution |
C++ |
|
|
087 |
Scramble String |
[无] |
C++ |
|
|
088 |
Merge Sorted Array |
solution |
C++ |
Java |
|
089 |
Gray Code |
[无] |
C++ |
|
|
090 |
Subsets II |
[无] |
C++ |
|
|
091 |
Decode Ways |
[无] |
C++ |
|
|
092 |
Reverse Linked List II |
solution |
C++ |
|
|
093 |
Restore IP Addresses |
solution |
C++ |
|
|
094 |
Binary Tree Inorder Traversal |
solution |
C++ |
Java |
|
095 |
Unique Binary Search Trees II |
solution |
C++ |
|
|
096 |
Unique Binary Search Trees |
solution |
C++ |
|
|
097 |
Interleaving String |
solution [缺:DP] |
C++ |
|
|
098 |
Validate Binary Search Tree |
solution |
C++ |
Java |
|
099 |
Recover Binary Search Tree |
[无] |
|
Java |
|
100 |
Same Tree |
solution |
C++ |
|
|
101 |
Symmetric Tree |
solution |
C++ |
|
Python |
102 |
Binary Tree Level Order Traversal |
solution |
C++ |
Java |
|
103 |
Binary Tree Zigzag Level Order Traversal |
[无] |
C++ |
|
|
104 |
Maximum Depth of Binary Tree |
solution |
C++ |
Java |
|
105 |
Construct Binary Tree from Preorder and Inorder Traversal |
solution |
C++ |
|
|
106 |
Construct Binary Tree from Inorder and Postorder Traversal |
[无] |
C++ |
|
|
107 |
Binary Tree Level Order Traversal II |
[无] |
C++ |
|
|
108 |
Convert Sorted Array to Binary Search Tree |
[无] |
C++ |
|
|
109 |
Convert Sorted List to Binary Search Tree |
solution |
C++ |
|
|
110 |
Balanced Binary Tree |
solution |
C++ |
|
|
111 |
Minimum Depth of Binary Tree |
solution |
C++ |
|
|
112 |
Path Sum |
solution |
C++ |
Java |
|
113 |
Path Sum II |
[无] |
C++ |
|
|
114 |
Flatten Binary Tree to Linked List |
solution |
C++ |
|
|
115 |
Distinct Subsequences |
[无] |
C++ |
Java |
|
116 |
Populating Next Right Pointers in Each Node |
[无] |
C++ |
|
|
117 |
Populating Next Right Pointers in Each Node II |
[无] |
C++ |
|
|
118 |
Pascal's Triangle |
solution |
C++ |
|
|
119 |
Pascal's Triangle II |
[无] |
C++ |
|
|
120 |
Triangle |
[无] |
C++ |
|
|
121 |
Best Time to Buy and Sell Stock |
|
C++ |
|
|
122 |
Best Time to Buy and Sell Stock II |
solution |
C++ |
|
|
123 |
Best Time to Buy and Sell Stock III |
|
C++ |
|
|
124 |
Binary Tree Maximum Path Sum |
solution |
C++ |
|
|
125 |
Valid Palindrome |
[无] |
C++ |
|
|
126 |
Word Ladder II |
[无] [缺:双端搜索] |
C++ |
|
|
127 |
Word Ladder |
solution |
C++ |
Java |
|
128 |
Longest Consecutive Sequence |
|
C++ |
|
|
129 |
Sum Root to Leaf Numbers |
[无] |
C++ |
|
|
130 |
Surrounded Regions |
[无] |
C++ |
|
|
131 |
Palindrome Partitioning |
solution [缺:DP] |
C++ |
|
|
132 |
Palindrome Partitioning II |
[无] |
C++ |
|
|
133 |
Clone Graph |
[无] |
C++ |
|
|
134 |
Gas Station |
solution |
C++ |
|
|
135 |
Candy |
solution [缺:O(1)空间算法] |
C++ |
|
|
136 |
Single Number |
solution |
C++ |
|
|
137 |
Single Number II |
solution |
C++ |
|
|
138 |
Copy List with Random Pointer |
solution |
C++ |
|
|
139 |
Word Break |
solution |
C++ |
|
|
|
|
|
|
|
|
141 |
Linked List Cycle |
solution |
C++ |
|
|
142 |
Linked List Cycle II |
solution |
C++ |
|
|
143 |
Reorder List |
[无] |
C++ |
|
|
144 |
Binary Tree Preorder Traversal |
solution |
C++ |
Java |
|
145 |
Binary Tree Postorder Traversal |
solution |
C++ |
Java |
|
146 |
LRU Cache |
solution [缺:封装一个Double Linked List] |
C++ |
|
|
147 |
Insertion Sort List |
[无] |
C++ |
|
|
148 |
Sort List |
[无] |
C++ |
|
|
149 |
Max Points on a Line |
solution |
C++ |
|
|
150 |
Evaluate Reverse Polish Notation |
[无] |
C++ |
|
|
151 |
Reverse Words in a String |
[无] |
C++ |
|
|
152 |
Maximum Product Subarray |
solution [缺:Linear] |
C++ |
|
Python |
153 |
Find Minimum in Rotated Sorted Array |
solution |
C++ |
|
|
|
|
|
|
|
|
155 |
Min Stack |
[无] |
C++ |
|
|
|
|
|
|
|
|
159 |
Longest Substring with At Most Two Distinct Characters |
solution |
C++ |
|
|
160 |
Intersection of Two Linked Lists |
solution |
C++ |
|
|
161 |
One Edit Distance |
solution |
C++ |
|
|
162 |
Find Peak Element |
solution |
C++ |
|
|
163 |
Missing Ranges |
solution |
C++ |
|
|
164 |
Maximum Gap |
solution [缺:桶排序] |
C++ |
|
|
|
|
|
|
|
|
167 |
Two Sum II - Input array is sorted |
solution |
C++ |
Java |
|
168 |
Excel Sheet Column Title |
[无] |
C++ |
|
|
169 |
Majority Element |
solution |
C++ |
|
Python |
170 |
Two Sum III - Data structure design |
[无] |
C++ |
|
|
171 |
Excel Sheet Column Number |
[无] |
C++ |
|
|
|
|
|
|
|
|
173 |
Binary Search Tree Iterator |
[无] [缺:Morris遍历] |
C++ |
|
|
|
|
|
|
|
|
179 |
Largest Number |
[无] |
C++ |
|
|
|
|
|
|
|
|
186 |
Reverse Words in a String II |
[无] |
C++ |
|
|
|
|
|
|
|
|
188 |
Best-Time-to-Buy-and-Sell-Stock-IV |
|
C++ |
|
|
189 |
Rotate Array |
solution |
C++ |
|
|
190 |
Reverse Bits |
solution |
C++ |
|
|
191 |
Number of 1 Bits |
solution |
C++ |
|
|
|
|
|
|
|
|
198 |
House Robber |
solution |
C++ |
Java |
|
199 |
Binary Tree Right Side View |
solution |
C++ |
|
|
200 |
Number of Islands |
solution |
C++ |
Java |
|
201 |
Bitwise AND of Numbers Range |
solution |
C++ |
|
|
202 |
Happy Number |
solution |
C++ |
|
|
203 |
Remove Linked List Elements |
[无] |
C++ |
Java |
|
204 |
Count Primes |
[无] |
C++ |
|
|
205 |
Isomorphic Strings |
[无] |
C++ |
|
|
206 |
Reverse Linked List |
solution |
C++ |
Java |
|
207 |
Course Schedule |
[无] |
C++ |
|
|
208 |
Implement Trie (Prefix Tree) |
solution |
C++ |
|
|
209 |
Minimum Size Subarray Sum |
solution |
C++ |
Java |
|
210 |
Course Schedule II |
solution |
C++ |
|
|
211 |
Add and Search Word - Data structure design |
[无] |
C++ |
Java |
|
212 |
Word Search II |
[无] |
C++ |
|
|
213 |
House Robber II |
[无] |
C++ |
|
|
|
|
|
|
|
|
215 |
Kth Largest Element in an Array |
solution |
C++ |
|
|
216 |
Combination Sum III |
[无] |
C++ |
|
|
217 |
Contains Duplicate |
[无] |
C++ |
|
|
218 |
The Skyline Problem |
|
C++ |
|
|
219 |
Contains Duplicate II |
solution |
C++ |
Java |
|
220 |
Contains Duplicate III |
solution |
C++ |
Java |
|
221 |
Maximal Square |
solution |
C++ |
|
Python |
222 |
Count Complete Tree Nodes |
[无] |
C++ |
|
|
|
|
|
|
|
|
224 |
Basic Calculator |
[无] |
C++ |
|
|
225 |
Implement Stack using Queues |
solution |
C++ |
|
|
226 |
Invert Binary Tree |
solution |
C++ |
Java |
Python |
227 |
Basic Calculator II |
[无] |
C++ |
|
|
228 |
Summary Ranges |
solution |
C++ |
|
|
|
|
|
|
|
|
230 |
Kth Smallest Element in a BST |
solution [缺:非递归] |
C++ |
|
|
231 |
Power of Two |
solution |
C++ |
|
|
232 |
Implement Queue using Stacks |
solution |
C++ |
|
|
233 |
Number of Digit One |
solution [缺:数学方法] |
C++ |
|
|
234 |
Palindrome Linked List |
[无] |
C++ |
|
|
235 |
Lowest Common Ancestor of a Binary Search Tree |
solution |
C++ |
Java |
|
236 |
Lowest Common Ancestor of a Binary Tree |
solution [缺:非递归解法;LCA问题总结] |
C++ |
|
|
237 |
Delete Node in a Linked List |
solution |
C++ |
Java |
|
238 |
Product of Array Except Self |
solution |
|
|
Python |
239 |
Sliding Window Maximum |
solution |
C++ |
|
|
240 |
Search a 2D Matrix II |
solution [缺:分治] |
C++ |
|
|
|
|
|
|
|
|
242 |
Valid Anagram |
solution |
C++ |
|
|
243 |
Shortest Word Distance |
solution |
C++ |
|
|
244 |
Shortest Word Distance II |
solution |
C++ |
|
|
245 |
Shortest Word Distance III |
[无] |
C++ |
|
|
246 |
Strobogrammatic Number |
solution |
C++ |
|
|
247 |
Strobogrammatic Number II |
[无] |
C++ |
|
|
248 |
Strobogrammatic Number III |
[无] |
C++ |
|
|
249 |
Group Shifted Strings |
[无] |
C++ |
|
|
250 |
Count Univalue Subtrees |
solution |
C++ |
|
|
|
|
|
|
|
|
252 |
Meeting Rooms |
solution |
C++ |
|
|
253 |
Meeting Rooms II |
solution |
C++ |
|
|
254 |
Factor Combinations |
[无] |
C++ |
|
|
|
|
|
|
|
|
256 |
Paint House |
[无] |
C++ |
|
|
257 |
Binary Tree Paths |
solution |
C++ |
Java |
|
|
|
|
|
|
|
259 |
3Sum Smaller |
solution |
C++ |
|
|
|
|
|
|
|
|
261 |
Graph Valid Tree |
C++ |
|
|
|
|
|
|
|
|
|
263 |
Ugly Number |
[无] |
C++ |
|
|
264 |
Ugly Number II |
solution |
C++ |
|
|
265 |
Paint House II |
C++ |
|
|
|
266 |
Palindrome Permutation |
solution |
C++ |
|
|
267 |
Palindrome Permutation II |
solution |
C++ |
|
|
268 |
Missing Number |
solution |
C++ |
|
|
269 |
Alien Dictionary |
solution |
C++ |
|
|
|
|
|
|
|
|
274 |
H-Index |
solution [缺:非二分] |
C++ |
|
|
275 |
H-Index II |
solution |
C++ |
|
|
276 |
Paint Fence |
solution |
C++ |
|
|
277 |
Find the Celebrity |
solution [缺:O(n) 解法] |
C++ |
|
|
278 |
First Bad Version |
solution |
C++ |
|
|
279 |
Perfect Squares |
[无] 四平方和数学解 |
C++ |
Java |
|
|
|
|
|
|
|
282 |
Expression Add Operators |
solution |
C++ |
|
|
283 |
Move Zeroes |
solution |
C++ |
Java |
|
284 |
Peeking Iterator |
solution |
C++ |
|
|
285 |
Inorder Successor in BST |
[无] [缺:空间O(h)] |
C++ |
|
|
286 |
Walls and Gates |
solution |
C++ |
|
|
287 |
Find the Duplicate Number |
|
C++ |
|
|
288 |
Unique Word Abbreviation |
solution |
C++ |
|
|
289 |
Game of Life |
solution |
C++ |
|
|
290 |
Word Pattern |
[无] |
C++ |
|
|
|
|
|
|
|
|
295 |
Find Median from Data Stream |
[无] |
C++ |
|
|
|
|
|
|
|
|
297 |
Serialize and Deserialize Binary Tree |
solution |
C++ |
|
|
298 |
Binary Tree Longest Consecutive Sequence |
solution |
C++ |
|
|
|
|
|
|
|
|
300 |
Longest Increasing Subsequence |
solution |
C++ |
Java |
|
301 |
0301-Remove-Invalid-Parentheses |
solution [缺:DP+构建] |
C++ |
|
|
|
|
|
|
|
|
303 |
Range Sum Query - Immutable |
|
C++ |
|
|
304 |
Range Sum Query 2D - Immutable |
solution |
C++ |
|
|
|
|
|
|
|
|
307 |
Range Sum Query - Mutable |
[缺:BIT] |
C++ |
|
|
308 |
Range Sum Query 2D - Mutable |
|
C++ |
|
|
309 |
Best Time to Buy and Sell Stock with Cooldown |
solution |
C++ |
|
|
|
|
|
|
|
|
312 |
Burst Balloons |
solution 题解 |
C++ |
|
|
313 |
Super Ugly Number |
[无] |
C++ |
|
|
|
|
|
|
|
|
315 |
Count of Smaller Numbers After Self |
[无] |
C++ |
|
|
316 |
Remove Duplicate Letters |
solution |
C++ |
|
|
|
|
|
|
|
|
318 |
Maximum Product of Word Lengths |
solution |
C++ |
|
|
319 |
Bulb Switcher |
[无] |
C++ |
|
|
|
|
|
|
|
|
321 |
Create Maximum Number |
[无] |
C++ |
|
|
322 |
Coin Change |
solution |
C++ |
|
|
323 |
Number of Connected Components in an Undirected Graph |
solution |
C++ |
|
|
|
|
|
|
|
|
326 |
Power of Three |
solution |
C++ |
|
|
|
|
|
|
|
|
328 |
Odd Even Linked List |
solution |
C++ |
|
|
329 |
Longest Increasing Path in a Matrix |
solution |
C++ |
|
|
330 |
Patching Array |
[无] |
C++ |
|
|
331 |
Verify Preorder Serialization of a Binary Tree |
solution |
C++ |
|
|
|
|
|
|
|
|
334 |
Increasing Triplet Subsequence |
solution |
C++ |
|
|
|
|
|
|
|
|
336 |
Palindrome Pairs |
solution |
C++ |
|
|
337 |
House Robber III |
[无] |
C++ |
|
|
338 |
Counting Bits |
solution |
C++ |
|
|
339 |
Nested List Weight Sum |
[无] |
C++ |
|
|
340 |
Longest Substring with At Most K Distinct Characters |
solution |
C++ |
|
|
341 |
Flatten Nested List Iterator |
[无] |
C++ |
|
|
342 |
Power of Four |
solution |
C++ |
|
|
343 |
Integer Break |
[无] |
C++ |
Java |
|
344 |
Reverse String |
[无] |
C++ |
|
|
345 |
Reverse Vowels of a String |
[无] |
C++ |
|
|
346 |
Moving Average from Data Stream |
[无] |
C++ |
|
|
347 |
Top K Frequent Elements |
solution |
C++ |
Java |
|
348 |
Find Winner on a Tic Tac Toe Game |
[无] |
C++ |
|
|
349 |
Intersection of Two Arrays |
solution |
C++ |
Java |
|
350 |
Intersection of Two Arrays II |
[无] |
C++ |
Java |
|
|
|
|
|
|
|
354 |
Russian Doll Envelopes |
solution |
C++ |
|
|
|
|
|
|
|
|
359 |
Logger Rate Limiter |
[无] |
C++ |
|
|
360 |
Sort Transformed Array |
[无] |
C++ |
|
|
|
|
|
|
|
|
363 |
Max Sum of Rectangle No Larger Than K |
[无] |
C++ |
|
|
364 |
Nested List Weight Sum II |
[无] |
C++ |
|
|
365 |
Water and Jug Problem |
题解 [缺:数学解法] |
C++ |
|
|
366 |
Find Leaves of Binary Tree |
solution |
C++ |
|
|
|
|
|
|
|
|
368 |
Largest Divisible Subset |
solution |
C++ |
|
|
369 |
Plus One Linked List |
solution |
C++ |
|
|
370 |
Range Addition |
|
C++ |
|
|
|
|
|
|
|
|
373 |
Find K Pairs with Smallest Sums |
[无] |
C++ |
|
|
374 |
Guess Number Higher or Lower |
solution |
C++ |
|
|
|
|
|
|
|
|
376 |
Wiggle Subsequence |
solution |
C++ [缺:DP;O(1) 空间贪心] |
|
|
377 |
Combination Sum IV |
[无] |
C++ |
|
|
378 |
Kth Smallest Element in a Sorted Matrix |
[无] |
C++ |
|
|
|
|
|
|
|
|
380 |
Insert Delete GetRandom O(1) |
[无] |
C++ |
|
|
381 |
Insert Delete GetRandom O(1) - Duplicates allowed |
[无] |
C++ |
|
|
382 |
Linked List Random Node |
[无] |
C++ |
|
|
383 |
Ransom Note |
solution |
C++ |
|
|
384 |
Shuffle an Array |
solution |
C++ |
|
|
|
|
|
|
|
|
386 |
Lexicographical Numbers |
|
C++ |
|
|
387 |
First Unique Character in a String |
solution |
C++ |
Java |
|
388 |
Longest Absolute File Path |
|
C++ |
|
|
389 |
Find the Difference |
|
C++ |
|
|
390 |
Elimination Game |
|
C++ |
|
|
391 |
Perfect Rectangle |
[缺:矩形求交] |
C++ |
|
|
392 |
Is Subsequence |
[无] |
C++ |
|
|
393 |
UTF-8 Validation |
solution |
C++ |
|
|
394 |
Decode String |
[无] |
C++ |
|
|
395 |
Longest Substring with At Least K Repeating Characters |
solution [缺:滑动窗口] |
C++ |
|
|
|
|
|
|
|
|
398 |
Random Pick Index |
[无] |
C++ |
|
|
399 |
Evaluate Division |
solution [缺:UF] |
C++ |
|
|
|
|
|
|
|
|
401 |
Binary Watch |
[无] |
C++ |
|
|
402 |
Remove K Digits |
solution 题解 |
C++ |
|
|
403 |
Frog Jump |
solution [缺:dp] |
C++ |
|
|
404 |
Sum of Left Leaves |
[无] |
C++ |
|
|
|
|
|
|
|
|
410 |
Split Array Largest Sum |
solution 题解 |
C++ |
|
|
|
|
|
|
|
|
412 |
Fizz Buzz |
solution |
C++ |
|
|
413 |
Arithmetic Slices |
solution |
C++ |
|
|
414 |
Third Maximum Number |
[无] |
C++ |
|
|
415 |
Add Strings |
solution |
C++ |
|
|
416 |
Partition Equal Subset Sum |
[无] |
C++ |
Java |
|
417 |
Pacific Atlantic Water Flow |
[无] |
|
Java |
|
|
|
|
|
|
|
421 |
Maximum XOR of Two Numbers in an Array |
solution |
C++ |
|
|
|
|
|
|
|
|
423 |
Reconstruct Original Digits from English |
solution |
C++ |
|
|
424 |
Longest Repeating Character Replacement |
[无] |
C++ |
|
|
|
|
|
|
|
|
426 |
Convert Binary Search Tree to Sorted Doubly Linked List |
solution |
C++ |
|
|
|
|
|
|
|
|
429 |
N-ary Tree Level Order Traversal |
[无] |
C++ |
|
|
430 |
Flatten a Multilevel Doubly Linked List |
[无] |
C++ |
|
|
|
|
|
|
|
|
434 |
Number of Segments in a String |
|
C++ |
|
|
435 |
Non-overlapping Intervals |
solution |
C++ |
Java |
|
|
|
|
|
|
|
437 |
Path Sum III |
[无] |
C++ |
Java |
|
438 |
Find All Anagrams in a String |
[无] |
C++ |
|
|
439 |
Ternary Expression Parser |
[无] |
C++ |
|
|
|
|
|
|
|
|
443 |
String Compression |
|
C++ |
|
|
|
|
|
|
|
|
445 |
Add Two Numbers II |
[无] |
C++ |
|
|
446 |
Arithmetic Slices II - Subsequence |
solution |
C++ |
|
|
447 |
Number of Boomerangs |
[无] |
C++ |
Java |
|
448 |
Find All Numbers Disappeared in an Array |
solution |
C++ |
|
|
|
|
|
|
|
|
450 |
Delete Node in a BST |
solution |
C++ |
|
|
451 |
Sort Characters By Frequency |
[无] |
C++ |
Java |
|
|
|
|
|
|
|
453 |
Minimum Moves to Equal Array Elements |
solution |
C++ |
|
|
454 |
4Sum II |
[无] |
C++ |
Java |
|
455 |
Assign Cookies |
[无] |
C++ |
Java |
|
456 |
132 Pattern |
solution [缺:O(n), O(nlogn) 算法] |
C++ |
|
|
457 |
Circular Array Loop |
[无] |
C++ |
|
|
458 |
Poor Pigs |
solution |
C++ |
|
|
|
|
|
|
|
|
461 |
Hamming Distance |
solution |
C++ |
|
|
462 |
Minimum Moves to Equal Array Elements II |
solution |
C++ |
|
|
|
|
|
|
|
|
470 |
Implement Rand10() Using Rand7() |
solution |
C++ |
|
|
|
|
|
|
|
|
473 |
Matchsticks to Square |
solution |
C++ |
|
|
474 |
Ones and Zeroes |
solution |
C++ |
|
|
|
|
|
|
|
|
477 |
Total Hamming Distance |
solution 题解 |
C++ |
|
|
478 |
Generate Random Point in a Circle |
solution |
C++ |
|
|
|
|
|
|
|
|
480 |
Sliding Window Median |
[无] [缺:双数据结构] |
C++ |
|
|
|
|
|
|
|
|
483 |
Smallest Good Base |
[无] |
C++ |
|
|
|
|
|
|
|
|
485 |
Max Consecutive Ones |
[无] |
C++ |
|
|
|
|
|
|
|
|
490 |
The Maze |
solution |
C++ |
|
|
|
|
|
|
|
|
494 |
Target Sum |
solution |
C++ |
|
|
|
|
|
|
|
|
496 |
Next Greater Element I |
solution |
C++ |
|
|
497 |
Random Point in Non-overlapping Rectangles |
solution |
C++ |
|
|
498 |
Diagonal Traverse |
[无] |
C++ |
|
|
|
|
|
|
|
|
501 |
Find Mode in Binary Search Tree |
[无] |
C++ |
|
|
|
|
|
|
|
|
503 |
Next Greater Element II |
solution |
C++ |
|
|
|
|
|
|
|
|
505 |
The Maze II |
solution |
C++ |
|
|
|
|
|
|
|
|
509 |
Fibonacci Number |
[无] |
C++ |
|
|
|
|
|
|
|
|
516 |
Longest Palindromic Subsequence |
[无] |
C++ |
|
|
517 |
Super Washing Machines |
solution |
C++ |
|
|
518 |
Coin Change 2 |
[无] |
C++ |
|
|
519 |
Random Flip Matrix |
solution |
C++ |
|
|
|
|
|
|
|
|
523 |
Continuous Subarray Sum |
[无] |
C++ |
|
|
524 |
Longest Word in Dictionary through Deleting |
solution |
C++ |
|
|
525 |
Contiguous Array |
solution 题解 |
C++ |
|
|
526 |
Beautiful Arrangement |
solution |
C++ |
|
|
|
|
|
|
|
|
528 |
Random Pick with Weight |
solution |
C++ |
|
|
529 |
Minesweeper |
[无] |
C++ |
|
|
530 |
Minimum Absolute Difference in BST |
[无] |
|
Java |
|
531 |
Lonely Pixel I |
[无] |
C++ |
|
|
|
|
|
|
|
|
533 |
Lonely Pixel II |
[无] |
C++ |
|
|
|
|
|
|
|
|
536 |
Construct Binary Tree from String |
solution [缺:stack] |
C++ |
|
|
537 |
Complex Number Multiplication |
solution |
C++ |
|
|
538 |
Convert BST to Greater Tree |
solution |
C++ |
|
|
|
|
|
|
|
|
540 |
Single Element in a Sorted Array |
solution |
C++ |
|
|
541 |
Reverse String II |
solution |
C++ |
|
|
542 |
01 Matrix |
solution |
C++ |
|
|
543 |
Diameter of Binary Tree |
solution |
C++ |
|
|
|
|
|
|
|
|
546 |
Remove Boxes |
solution |
C++ |
|
|
547 |
Number of Provinces |
solution |
C++ |
|
|
|
|
|
|
|
|
549 |
Binary Tree Longest Consecutive Sequence II |
solution |
C++ |
|
|
|
|
|
|
|
|
551 |
Student Attendance Record I |
solution |
C++ |
|
|
552 |
Student Attendance Record II |
solution |
C++ |
|
|
|
|
|
|
|
|
554 |
Brick Wall |
solution |
C++ |
|
|
|
|
|
|
|
|
556 |
Next Greater Element III |
solution [缺:底层实现] |
C++ |
|
|
557 |
Reverse Words in a String III |
solution |
C++ |
|
|
|
|
|
|
|
|
559 |
Maximum Depth of N-ary Tree |
solution |
C++ |
|
|
560 |
Subarray Sum Equals K |
solution |
C++ |
|
|
561 |
Array Partition I |
solution |
C++ |
|
|
|
|
|
|
|
|
563 |
Binary Tree Tilt |
solution |
C++ |
|
|
|
|
|
|
|
|
566 |
Reshape the Matrix |
solution |
C++ |
|
|
567 |
Permutation in String |
solution 题解 |
C++ |
|
|
|
|
|
|
|
|
572 |
Subtree of Another Tree |
solution |
C++ |
|
|
573 |
Squirrel Simulation |
solution |
C++ |
|
|
|
|
|
|
|
|
575 |
Distribute Candies |
solution |
C++ |
|
|
576 |
Out of Boundary Paths |
solution |
C++ |
|
|
|
|
|
|
|
|
581 |
Shortest Unsorted Continuous Subarray |
solution [缺:Stack] |
C++ |
|
|
582 |
Kill Process |
solution |
C++ |
|
|
583 |
Delete Operation for Two Strings |
solution |
C++ |
|
|
|
|
|
|
|
|
587 |
Erect the Fence |
solution 题解 [缺:凸包解法整理] |
C++ |
|
|
|
|
|
|
|
|
589 |
N-ary Tree Preorder Traversal |
solution |
C++ |
|
|
590 |
N-ary Tree Postorder Transversal |
solution |
C++ |
|
|
|
|
|
|
|
|
594 |
Longest Harmonious Subsequence |
solution |
C++ |
|
|
|
|
|
|
|
|
598 |
Range Addition II |
|
C++ |
|
|
599 |
Minimum Index Sum of Two Lists |
solution |
C++ |
|
|
600 |
Non-negative Integers without Consecutive Ones |
solution [缺:Bit Manipulation] |
C++ |
|
|
|
|
|
|
|
|
605 |
Can Place Flowers |
solution |
C++ |
|
|
606 |
Construct String from Binary Tree |
solution |
C++ |
|
|
|
|
|
|
|
|
609 |
Find Duplicate File in System |
solution |
C++ |
|
|
|
|
|
|
|
|
611 |
Valid Triangle Number |
solution |
C++ |
|
|
|
|
|
|
|
|
617 |
Merge Two Binary Trees |
C++ |
|
|
|
|
|
|
|
|
|
621 |
Task Scheduler |
solution |
C++ |
|
|
622 |
Design Circular Queue |
[无] |
C++ |
|
|
623 |
Add One Row to Tree |
solution |
C++ |
|
|
|
|
|
|
|
|
628 |
Maximum Product of Three Numbers |
solution |
C++ |
|
|
629 |
K-Inverse-Pairs-Array |
solution [缺:其他 dp 优化思路] |
C++ |
|
|
630 |
Course Schedule III |
solution |
C++ |
|
|
|
|
|
|
|
|
632 |
Smallest Range Covering Elements from K Lists |
solution |
C++ |
|
|
633 |
Sum of Square Numbers |
C++ |
|
|
|
|
|
|
|
|
|
637 |
Average of Levels in Binary Tree |
solution |
C++ |
|
|
|
|
|
|
|
|
639 |
Decode Ways II |
solution [缺:DP] |
C++ |
|
|
|
|
|
|
|
|
642 |
Design Search Autocomplete System |
[无] |
C++ |
|
|
643 |
Maximum Average Subarray I |
solution |
C++ |
|
|
644 |
Maximum Average Subarray II |
solution |
C++ |
|
|
645 |
Set Mismatch |
solution [缺:空间 O(1) 解法] |
C++ |
|
|
|
|
|
|
|
|
647 |
Palindromic Substrings |
solution |
C++ |
|
|
648 |
Replace Words |
[无] |
C++ |
|
|
649 |
Dota2 Senate |
solution [缺:队列] |
C++ |
|
|
|
|
|
|
|
|
652 |
Find Duplicate Subtrees |
solution |
C++ |
|
|
|
|
|
|
|
|
658 |
Find K Closest Elements |
solution [缺:二分] |
C++ |
|
|
659 |
Split Array into Consecutive Subsequences |
solution |
C++ |
|
|
|
|
|
|
|
|
664 |
Strange Printer |
solution |
C++ |
|
|
665 |
Non-decreasing Array |
solution |
C++ |
|
|
666 |
Path Sum IV |
solution |
C++ |
|
|
667 |
Beautiful Arrangement II |
solution |
C++ |
|
|
668 |
Kth Smallest Number in Multiplication Table |
solution |
C++ |
|
|
669 |
Trim a Binary Search Tree |
solution |
C++ |
|
|
|
|
|
|
|
|
671 |
Second Minimum Node In a Binary Tree |
solution |
C++ |
|
|
672 |
Bulb Switcher II |
solution |
C++ |
|
|
673 |
Number of Longest Increasing Subsequence |
[缺:BIT;线段树] |
C++ |
|
|
674 |
Longest Continuous Increasing Subsequence |
|
C++ |
|
|
675 |
Cut Off Trees for Golf Event |
[缺:A*;Hadlock's Algo] |
C++ |
|
|
676 |
Implement Magic Dictionary |
solution |
C++ |
|
|
677 |
Map Sum Pairs |
solution |
C++ |
|
|
|
|
|
|
|
|
679 |
24 Game |
solution |
C++ |
|
|
|
|
|
|
|
|
684 |
Redundant Connection |
solution |
C++ |
|
|
685 |
Redundant Connection II |
solution |
C++ |
|
|
|
|
|
|
|
|
687 |
Longest Univalue Path |
solution |
C++ |
|
|
|
|
|
|
|
|
690 |
Employee Importance |
solution |
C++ |
|
|
|
|
|
|
|
|
692 |
Top K Frequent Words |
solution |
C++ |
|
|
|
|
|
|
|
|
694 |
Number of Distinct Islands |
[review: hash的方式] |
C++ |
|
|
695 |
Max-Area-of-Island |
|
C++ |
|
|
696 |
Count Binary Substrings |
|
C++ |
|
|
697 |
Degree of an Array |
|
C++ |
|
|
698 |
Partition to K Equal Sum Subsets |
|
C++ |
Java |
|
699 |
Falling Squares |
[缺:线段树;块状链表] |
C++ |
|
|
700 |
Search in a Binary Search Tree |
solution |
C++ |
|
|
701 |
Insert into a Binary Search Tree |
solution |
C++ |
|
|
|
|
|
|
|
|
703 |
Kth Largest Element in a Stream |
[无] |
C++ |
|
|
704 |
Binary Search |
solution |
C++ |
|
|
705 |
Design HashSet |
[无] |
C++ |
|
|
706 |
Design HashMap |
[无] |
C++ |
|
|
707 |
Design Linked List |
[无] |
C++ |
|
|
708 |
Insert into a Cyclic Sorted List |
[无] |
C++ |
|
|
709 |
To Lower Case |
solution |
C++ |
|
|
710 |
Random Pick with Blacklist |
solution |
C++ |
|
|
711 |
Number of Distinct Islands II |
[review: hash的方式] |
C++ |
|
|
712 |
Minimum ASCII Delete Sum for Two Strings |
|
C++ |
|
|
713 |
Subarray Product Less Than K |
|
C++ |
|
|
714 |
Best Time to Buy and Sell Stock with Transaction Fee |
|
C++ |
|
|
715 |
Range Module |
[缺:set查找] |
C++ |
|
|
716 |
Max Stack |
solution |
C++ |
|
|
717 |
1-bit and 2-bit Characters |
|
C++ |
|
|
718 |
Maximum Length of Repeated Subarray |
[缺:Rolling Hash] |
C++ |
|
|
719 |
Find K-th Smallest Pair Distance |
[缺:二分搜索] |
C++ |
|
|
720 |
Longest Word in Dictionary |
solution |
C++ |
|
|
721 |
Accounts Merge |
solution |
C++ |
|
|
722 |
Remove Comments |
solution |
C++ |
|
|
723 |
Candy Crush |
solution |
C++ |
|
|
724 |
Find Pivot Index |
solution |
C++ |
|
|
725 |
Split Linked List in Parts |
solution |
C++ |
|
|
726 |
Number of Atoms |
C++ |
|
|
|
727 |
Minimum Window Subsequence |
solution |
C++ |
|
|
728 |
Self Dividing Numbers |
solution |
C++ |
|
|
729 |
My Calendar I |
solution |
C++ |
|
|
|
|
|
|
|
|
731 |
My Calendar II |
solution |
C++ |
|
|
732 |
My Calendar III |
solution |
C++ |
|
|
733 |
Flood Fill |
solution |
C++ |
|
|
734 |
Sentence Similarity |
solution |
C++ |
|
|
735 |
Asteroid Collision |
solution |
C++ |
|
|
736 |
Parse Lisp Expression |
solution |
C++ |
|
|
737 |
Sentence Similarity II |
solution |
C++ |
|
|
|
|
|
|
|
|
739 |
Daily Temperatures |
solution |
C++ |
|
|
740 |
Delete and Earn |
solution |
C++ |
|
|
741 |
Cherry Pickup |
solution [缺:自底向上的动态规划] |
C++ |
|
|
|
|
|
|
|
|
746 |
Min Cost Climbing Stairs |
solution |
C++ |
|
|
747 |
Largest Number At Least Twice of Others |
solution |
C++ |
|
|
|
|
|
|
|
|
752 |
Open the Lock |
solution |
C++ |
|
|
753 |
Cracking the Safe |
[无] |
C++ |
|
|
754 |
Reach a Number |
Solution |
C++ |
|
|
|
|
|
|
|
|
761 |
Special Binary String |
solution |
C++ |
|
|
|
|
|
|
|
|
765 |
Couples Holding Hands |
solution |
C++ |
|
|
766 |
Toeplitz Matrix |
solution |
C++ |
|
|
|
|
|
|
|
|
771 |
Jewels and Stones |
solution |
C++ |
|
|
772 |
Basic Calculator III |
[无] |
C++ |
|
|
|
|
|
|
|
|
774 |
Minimize Max Distance to Gas Station |
solution |
C++ |
|
|
|
|
|
|
|
|
780 |
Reaching Points |
solution |
C++ |
|
|
781 |
Rabbits in Forest |
solution |
C++ |
|
|
|
|
|
|
|
|
783 |
Minimum Distance Between BST Nodes |
solution |
C++ |
|
|
784 |
Letter Case Permutation |
solution |
C++ |
|
|
785 |
Is Graph Bipartite? |
solution |
C++ |
|
|
786 |
K-th Smallest Prime Fraction |
solution [缺:分治算法] |
C++ |
|
|
787 |
Cheapest Flights Within K Stops |
solution [缺:使用Heap] |
C++ |
|
|
788 |
Rotated Digits |
solution |
C++ |
|
|
789 |
Escape The Ghosts |
solution |
C++ |
|
|
790 |
Domino and Tromino Tiling |
solution [缺:转移矩阵求幂解法] |
C++ |
|
|
791 |
Custom Sort String |
solution |
C++ |
|
|
792 |
Number of Matching Subsequences |
solution |
C++ |
|
|
793 |
Preimage Size of Factorial Zeroes Function |
solution |
C++ |
|
|
794 |
Valid Tic-Tac-Toe State |
solution |
C++ |
|
|
795 |
Number of Subarrays with Bounded Maximum |
solution |
C++ |
|
|
796 |
Rotate String |
solution [缺:Rolling Hash] |
C++ |
|
|
797 |
All Paths From Source to Target |
solution |
C++ |
|
|
|
|
|
|
|
|
799 |
Champagne Tower |
solution |
C++ |
|
|
800 |
Similar RGB Color |
solution |
C++ |
|
|
|
|
|
|
|
|
802 |
Find Eventual Safe States |
solution |
C++ |
|
|
803 |
Bricks Falling When Hit |
[无] |
C++ |
|
|
804 |
Unique Morse Code Words |
solution |
C++ |
|
|
805 |
Split Array With Same Average |
solution |
C++ |
|
|
806 |
Number of Lines To Write String |
solution |
C++ |
|
|
807 |
Max Increase to Keep City Skyline |
solution |
C++ |
|
|
|
|
|
|
|
|
809 |
Expressive Words |
solution |
C++ |
|
|
810 |
Chalkboard XOR Game |
solution |
C++ |
|
|
811 |
Subdomain Visit Count |
solution |
C++ |
|
|
|
|
|
|
|
|
814 |
Binary Tree Pruning |
solution |
C++ |
|
|
815 |
Bus Routes |
solution |
C++ |
|
|
|
|
|
|
|
|
817 |
Linked List Components |
solution |
C++ |
|
|
|
|
|
|
|
|
819 |
Most Common Word |
solution |
C++ |
|
|
|
|
|
|
|
|
823 |
Binary Trees With Factors |
solution |
C++ |
|
|
|
|
|
|
|
|
827 |
Making A Large Island |
[无] |
C++ |
|
|
|
|
|
|
|
|
830 |
Positions of Large Groups |
solution |
C++ |
|
|
|
|
|
|
|
|
832 |
Flipping an Image |
solution |
C++ |
|
|
|
|
|
|
|
|
838 |
Push Dominoes |
solution |
C++ |
|
|
839 |
Similar String Groups |
solution |
|
|
|
C++ |
|
|
|
|
|
|
|
|
|
|
|
841 |
Keys and Rooms |
solution |
C++ |
|
|
842 |
Split Array into Fibonacci Sequence |
solution |
C++ |
|
|
|
|
|
|
|
|
844 |
Backspace String Compare |
solution |
C++ |
|
|
|
|
|
|
|
|
847 |
Shortest Path Visiting All Nodes |
[无] |
C++ |
|
|
|
|
|
|
|
|
850 |
Rectangle Area II |
solution |
C++ |
|
|
|
|
|
|
|
|
852 |
Peak Index in a Mountain Array |
solution |
C++ |
|
|
853 |
Car Fleet |
solution |
C++ |
|
|
854 |
K-Similar Strings |
solution |
C++ |
|
|
855 |
Exam Room |
solution |
C++ |
|
|
856 |
Score of Parentheses |
solution |
C++ |
|
|
857 |
Minimum Cost to Hire K Workers |
solution [缺:二分搜索] |
C++ |
|
|
858 |
Mirror Reflection |
solution |
C++ |
|
|
859 |
Buddy Strings |
solution |
C++ |
|
|
860 |
Lemonade Change |
solution |
C++ |
|
|
861 |
Score After Flipping Matrix |
solution |
C++ |
|
|
|
|
|
|
|
|
863 |
All Nodes Distance K in Binary Tree |
solution |
C++ |
|
|
864 |
Shortest Path to Get All Keys |
solution [缺:Dijkstra] |
C++ |
|
|
865 |
Smallest Subtree with all the Deepest Nodes |
solution |
C++ |
|
|
866 |
Prime Palindrome |
solution |
C++ |
|
|
867 |
Transpose Matrix |
solution |
C++ |
|
|
868 |
Binary Gap |
solution |
C++ |
|
|
869 |
Reordered Power of 2 |
solution |
C++ |
|
|
870 |
Advantage Shuffle |
solution |
C++ |
|
|
871 |
Minimum Number of Refueling Stops |
solution 题解 |
C++ |
|
|
872 |
Leaf-Similar Trees |
solution |
C++ |
|
|
873 |
Length of Longest Fibonacci Subsequence |
solution |
C++ |
|
|
874 |
Walking-Robot-Simulation |
solution |
C++ |
|
|
875 |
Koko Eating Bananas |
solution |
C++ |
|
|
876 |
Middle of the Linked List |
solution |
C++ |
|
|
877 |
Stone Game |
solution |
C++ |
|
|
878 |
Nth Magical Number |
solution |
C++ |
|
|
879 |
Profitable Schemes |
solution |
C++ |
|
|
880 |
Decoded String at Index |
solution |
C++ |
|
|
881 |
Boats to Save People |
solution |
C++ |
|
|
882 |
Reachable Nodes In Subdivided Graph |
solution |
C++ |
|
|
883 |
Projection Area of 3D Shapes |
solution |
C++ |
|
|
884 |
Uncommon Words from Two Sentences |
solution |
C++ |
|
|
885 |
Spiral Matrix III |
solution |
C++ |
|
|
886 |
Possible Bipartition |
solution |
C++ |
|
|
|
|
|
|
|
|
888 |
Fair Candy Swap |
solution |
C++ |
|
|
889 |
Construct Binary Tree from Preorder and Postorder Traversal |
solution |
C++ |
|
|
890 |
Find and Replace Pattern |
solution |
C++ |
|
|
891 |
Sum of Subsequence Widths |
solution |
C++ |
|
|
892 |
Surface Area of 3D Shapes |
solution |
C++ |
|
|
893 |
Groups of Special-Equivalent Strings |
solution |
C++ |
|
|
894 |
All Possible Full Binary Trees |
solution |
C++ |
|
|
895 |
Maximum Frequency Stack |
solution |
C++ |
|
|
896 |
Monotonic Array |
solution |
C++ |
|
Python |
897 |
Increasing Order Search Tree |
solution |
C++ |
|
|
898 |
Bitwise ORs of Subarrays |
solution |
C++ |
|
|
899 |
Orderly Queue |
solution |
C++ |
|
|
900 |
RLE Iterator |
solution |
C++ |
|
|
901 |
Online Stock Span |
solution |
C++ |
|
|
902 |
Numbers At Most N Given Digit Set |
solution |
C++ |
|
|
903 |
Valid Permutations for DI Sequence |
solution [缺:O(n^2) DP] |
C++ |
|
|
904 |
Fruit Into Baskets |
solution |
C++ |
|
|
905 |
Sort Array By Parity |
solution |
C++ |
|
|
906 |
Super Palindromes |
solution |
C++ |
|
|
907 |
Sum of Subarray Minimums |
solution |
C++ |
|
|
908 |
Smallest Range I |
solution |
C++ |
|
|
909 |
Snakes and Ladders |
solution |
C++ |
|
|
910 |
Smallest Range II |
solution |
C++ |
|
|
911 |
Online Election |
solution |
C++ |
|
|
912 |
Sort an Array |
[无] |
C++ |
|
|
913 |
Cat and Mouse Game |
solution [缺:DFS拓扑排序;DP] |
C++ |
|
|
914 |
X of a Kind in a Deck of Cards |
solution |
C++ |
|
|
915 |
Partition Array into Disjoint Intervals |
solution |
C++ |
|
|
916 |
Word Subsets |
solution |
C++ |
|
|
917 |
Reverse Only Letters |
solution |
C++ |
|
|
918 |
Maximum Sum Circular Subarray |
solution |
C++ |
|
|
919 |
Complete Binary Tree Inserter |
solution |
C++ |
|
|
920 |
Number of Music Playlists |
solution [缺:生成函数] |
C++ |
|
|
921 |
Minimum Add to Make Parentheses Valid |
solution |
C++ |
|
|
922 |
Sort Array By Parity II |
solution |
C++ |
|
|
923 |
3Sum With Multiplicity |
solution |
C++ |
|
|
924 |
Minimize Malware Spread |
solution |
C++ |
|
|
925 |
Long Pressed Name |
solution |
C++ |
|
|
926 |
Flip String to Monotone Increasing |
solution |
C++ |
|
|
927 |
Three Equal Parts |
solution |
C++ |
|
|
928 |
Minimize Malware Spread II |
solution |
C++ |
|
|
929 |
Unique Email Addresses |
solution |
C++ |
|
|
930 |
Binary Subarrays With Sum |
solution |
C++ |
|
|
931 |
Minimum Path Falling Sum |
solution |
C++ |
|
|
932 |
Beautiful Array |
solution |
C++ |
|
|
933 |
Number of Recent Calls |
solution |
C++ |
|
|
934 |
Shortest Bridge |
solution |
C++ |
|
|
935 |
Knight Dialer |
solution |
C++ |
|
|
936 |
Stamping The Sequence |
solution |
C++ |
|
|
937 |
Reorder Log Files |
solution |
C++ |
|
|
938 |
Range Sum of BST |
solution |
C++ |
|
|
939 |
Minimum Area Rectangle |
solution |
C++ |
|
|
940 |
Distinct Subsequences II |
solution |
C++ |
|
|
941 |
Valid Mountain Array |
solution |
C++ |
|
|
942 |
DI String Match |
solution |
C++ |
|
|
943 |
Find the Shortest Superstring |
solution [缺:动态规划] |
C++ |
|
|
944 |
Delete Columns to Make Sorted |
solution |
C++ |
|
|
945 |
Minimum Increment to Make Array Unique |
solution |
C++ |
|
|
946 |
Validate Stack Sequences |
solution |
C++ |
|
|
947 |
Most Stones Removed with Same Row or Column |
solution |
C++ |
|
|
948 |
Bag of Tokens |
solution |
C++ |
|
|
949 |
Largest Time for Given Digits |
solution |
C++ |
|
|
950 |
Reveal Cards In Increasing Order |
solution |
C++ |
|
|
951 |
Flip Equivalent Binary Trees |
solution |
C++ |
|
|
952 |
Largest Component Size by Common Factor |
solution |
C++ |
|
|
953 |
isAlienSorted |
solution |
C++ |
|
|
954 |
Array of Doubled Pairs |
solution |
C++ |
|
|
955 |
Delete Columns to Make Sorted II |
solution |
C++ |
|
|
956 |
Tallest Billboard |
solution |
C++ |
|
|
957 |
Prison Cells After N Days |
solution |
C++ |
|
|
958 |
Check Completeness of a Binary Tree |
solution |
C++ |
|
|
959 |
Regions Cut By Slashes |
solution |
C++ |
|
|
960 |
Delete Columns to Make Sorted III |
solution |
C++ |
|
|
961 |
N-Repeated Element in Size 2N Array |
solution |
C++ |
|
|
|
|
|
|
|
|
965 |
Univalued Binary Tree |
solution |
C++ |
|
|
966 |
Vowel Spellchecker |
solution |
C++ |
|
|
967 |
Numbers With Same Consecutive Differences |
solution |
C++ |
|
|
968 |
Binary Tree Cameras |
solution |
C++ |
|
|
969 |
Pancake Sorting |
solution |
C++ |
|
|
970 |
Powerful Integers |
solution |
C++ |
|
|
971 |
Flip Binary Tree To Match Preorder Traversal |
solution |
C++ |
|
|
972 |
Equal Rational Numbers |
solution |
C++ |
|
|
973 |
K Closest Points to Origin |
solution |
C++ |
|
|
974 |
Subarray Sums Divisible by K |
solution |
C++ |
|
|
975 |
Odd Even Jump |
solution |
C++ |
|
|
976 |
Largest Perimeter Triangle |
solution |
C++ |
|
|
977 |
Squares of a Sorted Array |
solution |
C++ |
|
|
978 |
Longest Turbulent Subarray |
solution [缺:滑动窗口 & dp] |
C++ |
|
|
979 |
Distribute Coins in Binary Tree |
solution |
C++ |
|
|
980 |
Unique Paths III |
solution [缺:记忆化搜索] |
C++ |
Java |
|
981 |
Time Based Key-Value Store |
solution |
C++ |
|
|
982 |
Triples with Bitwise AND Equal To Zero |
[无] |
C++ |
|
|
983 |
Minimum Cost For Tickets |
solution |
C++ |
|
|
984 |
String Without AAA or BBB |
solution |
C++ |
|
|
985 |
Sum of Even Numbers After Queries |
solution |
C++ |
|
|
986 |
Interval List Intersections |
solution |
C++ |
|
|
987 |
Vertical Order Traversal of a Binary Tree |
solution |
C++ |
|
|
988 |
Smallest String Starting From Leaf |
solution |
C++ |
|
|
989 |
Add to Array-Form of Integer |
solution |
C++ |
|
|
990 |
Satisfiability of Equality Equations |
solution |
C++ |
|
|
991 |
Broken Calculator |
solution |
C++ |
|
|
992 |
Subarrays with K Different Integers |
solution |
C++ |
|
|
993 |
Cousins in Binary Tree |
solution |
C++ |
|
|
994 |
Rotting Oranges |
solution |
C++ |
|
|
995 |
Minimum Number of K Consecutive Bit Flips |
solution |
C++ |
|
|
996 |
Number of Squareful Arrays |
solution |
C++ |
|
|
997 |
Find the Town Judge |
[无] |
C++ |
|
|
998 |
Maximum Binary Tree II |
[无] |
C++ |
|
|
999 |
Available Captures for Rook |
[无] |
C++ |
|
|
1000 |
Minimum Cost to Merge Stones |
[无] |
C++ |
|
|
1001 |
Grid Illumination |
[无] |
C++ |
|
|
1002 |
Find Common Characters |
[无] |
C++ |
|
|
1003 |
Check If Word Is Valid After Substitutions |
[无] |
C++ |
|
|
1004 |
Max Consecutive Ones III |
[无] |
C++ |
|
|
1005 |
Maximize Sum Of Array After K Negations |
[无] |
C++ |
|
|
1006 |
Clumsy Factorial |
[无] |
C++ |
|
|
1007 |
Minimum Domino Rotations For Equal Row |
[无] |
C++ |
|
|
1008 |
Construct Binary Search Tree from Preorder Traversal |
[无] |
C++ |
|
|
1009 |
Complement of Base 10 Integer |
[无] |
C++ |
|
|
1010 |
Pairs of Songs With Total Durations Divisible by 60 |
[无] |
C++ |
|
|
1011 |
Capacity To Ship Packages Within D Days |
[无] |
C++ |
|
|
1012 |
Numbers With 1 Repeated Digit |
[无] |
C++ |
|
|
1013 |
Partition Array Into Three Parts With Equal Sum |
[无] |
C++ |
|
|
1014 |
Best Sightseeing Pair |
[无] |
C++ |
|
|
1015 |
Smallest Integer Divisible by K |
[无] |
C++ |
|
|
1016 |
Binary String With Substrings Representing 1 To N |
[无] |
C++ |
|
|
1017 |
Convert to Base -2 |
[无] |
C++ |
|
|
1018 |
Binary Prefix Divisible By 5 |
[无] |
C++ |
|
|
1019 |
Next Greater Node In Linked List |
[无] |
C++ |
|
|
1020 |
Number of Enclaves |
[无] |
C++ |
|
|
1021 |
Remove Outermost Parentheses |
[无] |
C++ |
|
|
1022 |
Sum of Root To Leaf Binary Numbers |
[无] |
C++ |
|
|
1023 |
Camelcase Matching |
[无] |
C++ |
|
|
1024 |
Video Stitching |
[无] |
C++ |
|
|
1025 |
Divisor Game |
[无] |
C++ |
|
|
1026 |
Maximum Difference Between Node and Ancestor |
[无] |
C++ |
|
|
1027 |
Longest Arithmetic Sequence |
[无] |
C++ |
|
|
1028 |
Recover a Tree From Preorder Traversal |
[无] |
C++ |
|
|
1029 |
Two City Scheduling |
[无] |
C++ |
|
|
1030 |
Matrix Cells in Distance Order |
[无] |
C++ |
|
|
1031 |
Maximum Sum of Two Non-Overlapping Subarrays |
[无] |
C++ |
|
|
1032 |
Stream of Characters |
[无] |
C++ |
|
|
1033 |
Moving Stones Until Consecutive |
[无] |
C++ |
|
|
1034 |
Coloring A Border |
[无] |
C++ |
|
|
1035 |
Uncrossed Lines |
[无] |
C++ |
|
|
1036 |
Escape a Large Maze |
[无] |
C++ |
|
|
1037 |
Valid Boomerang |
[无] |
C++ |
|
|
1038 |
Binary Search Tree to Greater Sum Tree |
[无] |
C++ |
|
|
1039 |
Minimum Score Triangulation of Polygon |
[无] |
C++ |
|
|
1040 |
Moving Stones Until Consecutive II |
[无] |
C++ |
|
|
1041 |
Robot Bounded In Circle |
[无] |
C++ |
|
|
1042 |
Flower Planting With No Adjacent |
[无] |
C++ |
|
|
1043 |
Partition Array for Maximum Sum |
[无] |
C++ |
|
|
1044 |
Longest Duplicate Substring |
[无] [缺:后缀数组] |
C++ |
|
|
|
|
|
|
|
|
1046 |
Last Stone Weight |
[无] |
C++ |
|
|
1047 |
Remove All Adjacent Duplicates In String |
[无] |
C++ |
|
|
|
|
|
|
|
|
1049 |
Last Stone Weight II |
[无] |
C++ |
|
|
|
|
|
|
|
|
1052 |
Grumpy Bookstore Owner |
[无] |
C++ |
|
|
|
|
|
|
|
|
1059 |
All Paths from Source Lead to Destination |
solution |
C++ |
|
|
|
|
|
|
|
|
1062 |
Longest Repeating Substring |
[无] |
C++ |
|
|
|
|
|
|
|
|
1072 |
Flip Columns For Maximum Number of Equal Rows |
[无] |
C++ |
|
|
|
|
|
|
|
|
1074 |
Number of Submatrices That Sum to Target |
[无] |
C++ |
|
|
|
|
|
|
|
|
1078 |
Occurrences After Bigram |
[无] |
C++ |
|
|
1079 |
Letter Tile Possibilities |
[无] |
C++ |
|
|
1080 |
Insufficient Nodes in Root to Leaf Paths |
[无] |
C++ |
|
|
1081 |
Smallest Subsequence of Distinct Characters |
[无] |
C++ |
|
|
|
|
|
|
|
|
1087 |
Brace Expansion |
[无] |
C++ |
|
|
|
|
|
|
|
|
1089 |
Duplicate Zeros |
[无] |
C++ |
|
|
1090 |
Largest Values From Labels |
[无] |
C++ |
|
|
1091 |
Shortest Path in Binary Matrix |
[无] |
C++ |
|
|
1092 |
Shortest Common Supersequence |
[无] |
C++ |
|
|
1093 |
Statistics from a Large Sample |
[无] |
C++ |
|
|
1094 |
Car Pooling |
[无] |
C++ |
|
|
1095 |
Find in Mountain Array |
[无] |
C++ |
|
|
1096 |
Brace Expansion II |
[无] [缺:非递归算法] |
C++ |
|
|
|
|
|
|
|
|
1099 |
Two Sum Less Than K |
[无] |
C++ |
|
|
1100 |
Find K-Length Substrings With No Repeated Characters |
[无] |
C++ |
|
|
1101 |
The Earliest Moment When Everyone Become Friends |
[无] |
C++ |
|
|
1102 |
Path With Maximum Minimum Value |
[无] [缺:并查集] |
C++ |
|
|
1103 |
Distribute Candies to People |
solution |
C++ |
|
|
1104 |
Path In Zigzag Labelled Binary Tree |
[无] |
C++ |
|
|
1105 |
Filling Bookcase Shelves |
[无] |
C++ |
|
|
1106 |
Parsing A Boolean Expression |
[无] [缺:非递归算法] |
C++ |
|
|
|
|
|
|
|
|
1108 |
Defanging an IP Address |
[无] |
C++ |
|
|
1109 |
Corporate Flight Bookings |
[无] |
C++ |
|
|
1110 |
Delete Nodes And Return Forest |
[无] |
C++ |
|
|
1111 |
Maximum Nesting Depth of Two Valid Parentheses Strings |
[无] |
C++ |
|
|
|
|
|
|
|
|
1118 |
Number of Days in a Month |
[无] |
C++ |
|
|
1119 |
Remove Vowels from a String |
[无] |
C++ |
|
|
1120 |
Maximum Average Subtree |
[无] |
C++ |
|
|
1121 |
Divide Array Into Increasing Sequences |
[无] |
C++ |
|
|
|
|
|
|
|
|
1124 |
Longest Well-Performing Interval |
[无] |
C++ |
|
|
|
|
|
|
|
|
1128 |
Number of Equivalent Domino Pairs |
[无] |
C++ |
|
|
1129 |
Shortest Path with Alternating Colors |
[无] |
C++ |
|
|
1130 |
Minimum Cost Tree From Leaf Values |
[无] |
C++ |
|
|
1131 |
Maximum of Absolute Value Expression |
[无] |
C++ |
|
|
|
|
|
|
|
|
1133 |
Largest Unique Number |
[无] |
C++ |
|
|
1134 |
Armstrong Number |
[无] |
C++ |
|
|
1135 |
Connecting Cities With Minimum Cost |
[无] |
C++ |
|
|
1136 |
Parallel Courses |
[无] [缺:后序遍历拓扑排序] |
C++ |
|
|
1137 |
N-th Tribonacci Number |
[无] |
C++ |
|
|
1138 |
Alphabet Board Path |
[无] |
C++ |
|
|
1139 |
Largest 1-Bordered Square |
[无] |
C++ |
|
|
1140 |
Stone Game II |
[无] |
C++ |
|
|
|
|
|
|
|
|
1143 |
Longest Common Subsequence |
[无] |
C++ |
|
|
1144 |
Decrease Elements To Make Array Zigzag |
[无] |
C++ |
|
|
1145 |
Binary Tree Coloring Game |
[无] |
C++ |
|
|
1146 |
Snapshot Array |
[无] |
C++ |
|
|
1147 |
Longest Chunked Palindrome Decomposition |
[无] |
C++ |
|
|
|
|
|
|
|
|
1150 |
Check If a Number Is Majority Element in a Sorted Array |
[无] |
C++ |
|
|
1151 |
Minimum Swaps to Group All 1's Together |
[无] |
C++ |
|
|
1152 |
Analyze User Website Visit Pattern |
[无] |
C++ |
|
|
1153 |
String Transforms Into Another String |
[无] |
C++ |
|
|
1154 |
Day of the Year |
[无] |
C++ |
|
|
1155 |
Number of Dice Rolls With Target Sum |
[无] [缺:空间优化] |
C++ |
|
|
1156 |
Swap For Longest Repeated Character Substring |
[无] |
C++ |
|
|
1157 |
Online Majority Element In Subarray |
[无] |
C++ |
|
|
|
|
|
|
|
|
1160 |
Find Words That Can Be Formed by Characters |
[无] |
C++ |
|
|
1161 |
Maximum Level Sum of a Binary Tree |
[无] |
C++ |
|
|
1162 |
As Far from Land as Possible |
[无] |
C++ |
|
|
1163 |
Last Substring in Lexicographical Order |
[无] |
C++ |
|
|
|
|
|
|
|
|
1165 |
Single-Row Keyboard |
[无] |
C++ |
|
|
1166 |
Design File System |
[无] |
C++ |
|
|
1167 |
Minimum Cost to Connect Sticks |
[无] |
C++ |
|
|
1168 |
Optimize Water Distribution in a Village |
[无] |
C++ |
|
|
1169 |
Invalid Transactions |
[无] |
C++ |
|
|
1170 |
Compare Strings by Frequency of the Smallest Character |
[无] |
C++ |
|
|
1171 |
Remove Zero Sum Consecutive Nodes from Linked List |
[无] |
C++ |
|
|
1172 |
Dinner Plate Stacks |
[无] |
C++ |
|
|
|
|
|
|
|
|
1175 |
Prime Arrangements |
[无] |
C++ |
|
|
1176 |
Diet Plan Performance |
[无] |
C++ |
|
|
1177 |
Can Make Palindrome from Substring |
[无] |
C++ |
|
|
1178 |
Number of Valid Words for Each Puzzle |
[无] |
C++ |
|
|
|
|
|
|
|
|
1180 |
Count Substrings with Only One Distinct Letter |
[无] |
C++ |
|
|
1181 |
Before and After Puzzle |
[无] |
C++ |
|
|
1182 |
Shortest Distance to Target Color |
[无] |
C++ |
|
|
1183 |
Maximum Number of Ones |
[无] |
C++ |
|
|
1184 |
Distance Between Bus Stops |
[无] |
C++ |
|
|
1185 |
Day of the Week |
[无] |
C++ |
|
|
1186 |
Maximum Subarray Sum with One Deletion |
[无] |
C++ |
|
|
1187 |
Make Array Strictly Increasing |
[无] [缺:动态规划] |
C++ |
|
|
|
|
|
|
|
|
1189 |
Maximum Number of Balloons |
[无] |
C++ |
|
|
1190 |
Reverse Substrings Between Each Pair of Parentheses |
[无] |
C++ |
|
|
1191 |
K-Concatenation Maximum Sum |
[无] |
C++ |
|
|
1192 |
Critical Connections in a Network |
[无] |
C++ |
|
|
|
|
|
|
|
|
1196 |
How Many Apples Can You Put into the Basket |
[无] |
C++ |
|
|
1197 |
Minimum Knight Moves |
[无] |
C++ |
|
|
1198 |
Find Smallest Common Element in All Rows |
[无] |
C++ |
|
|
1199 |
Minimum Time to Build Blocks |
[无] |
C++ |
|
|
1200 |
Minimum Absolute Difference |
[无] |
C++ |
|
|
1201 |
Ugly Number III |
[无] |
C++ |
|
|
1202 |
Smallest String With Swaps |
[无] |
C++ |
|
|
1203 |
Sort Items by Groups Respecting Dependencies |
[无] |
C++ |
|
|
|
|
|
|
|
|
1207 |
Unique Number of Occurrences |
[无] |
C++ |
|
|
1208 |
Get Equal Substrings Within Budget |
[无] |
C++ |
|
|
1209 |
Remove All Adjacent Duplicates in String II |
[无] |
C++ |
|
|
1210 |
Minimum Moves to Reach Target with Rotations |
[无] |
C++ |
|
|
|
|
|
|
|
|
1213 |
Intersection of Three Sorted Arrays |
[无] |
C++ |
|
|
1214 |
Two Sum BSTs |
[无] |
C++ |
|
|
1215 |
Stepping Numbers |
[无] |
C++ |
|
|
1216 |
Valid Palindrome III |
[无] |
C++ |
|
|
1217 |
Play with Chips |
[无] |
C++ |
|
|
1218 |
Longest Arithmetic Subsequence of Given Difference |
[无] |
C++ |
|
|
1219 |
Path with Maximum Gold |
[无] |
C++ |
|
|
1220 |
Count Vowels Permutation |
[无] |
C++ |
|
|
1221 |
Split a String in Balanced Strings |
[无] |
C++ |
|
|
1222 |
Queens That Can Attack the King |
[无] |
C++ |
|
|
1223 |
Dice Roll Simulation |
[无] |
C++ |
|
|
1224 |
Maximum Equal Frequency |
[无] |
C++ |
|
|
|
|
|
|
|
|
1228 |
Missing Number In Arithmetic Progression |
[无] |
C++ |
|
|
1229 |
Meeting Scheduler |
[无] |
C++ |
|
|
1230 |
Toss Strange Coins |
[无] |
C++ |
|
|
1231 |
Divide Chocolate |
[无] |
C++ |
|
|
1232 |
Check If It Is a Straight Line |
[无] |
C++ |
|
|
1233 |
Remove Sub-Folders from the Filesystem |
[无] |
C++ |
|
|
1234 |
Replace the Substring for Balanced String |
[无] |
C++ |
|
|
1235 |
Maximum Profit in Job Scheduling |
[无] |
C++ |
|
|
|
|
|
|
|
|
1237 |
Find Positive Integer Solution for a Given Equation |
[无] |
C++ |
|
|
1238 |
Circular Permutation in Binary Representation |
[无] |
C++ |
|
|
1239 |
Maximum Length of a Concatenated String with Unique Characters |
[无] |
C++ |
|
|
1240 |
Tiling a Rectangle with the Fewest Squares |
[无] |
C++ |
|
|
|
|
|
|
|
|
1243 |
Array Transformation |
[无] |
C++ |
|
|
1244 |
Design A Leaderboard |
[无] |
C++ |
|
|
1245 |
Tree Diameter |
[无] |
C++ |
|
|
|
|
|
|
|
|
1249 |
Minimum Remove to Make Valid Parentheses |
solution |
C++ |
|
|
|
|
|
|
|
|
1260 |
Shift 2D Grid |
solution |
C++ |
|
|
1261 |
Find Elements in a Contaminated Binary Tree |
C++ |
|
|
|
1262 |
Greatest Sum Divisible by Three |
[无] |
C++ |
|
|
1263 |
Minimum Moves to Move a Box to Their Target Location |
[无] |
C++ |
|
|
|
|
|
|
|
|
1275 |
Find Winner on a Tic Tac Toe Game |
[无] |
C++ |
|
|
|
|
|
|
|
|
1277 |
Count Square Submatrices with All Ones |
题解 |
C++ |
|
|
1278 |
Palindrome Partitioning III |
[无] |
C++ |
|
|
|
|
|
|
|
|
1302 |
Deepest Leaves Sum |
solution |
C++ |
|
|
|
|
|
|
|
|
1304 |
Find N Unique Integers Sum up to Zero |
[无] |
C++ |
|
|
1305 |
All Elements in Two Binary Search Trees |
[无] |
C++ |
|
|
1306 |
Jump Game III |
[无] |
C++ |
|
|
1307 |
Verbal Arithmetic Puzzle |
[无] |
C++ |
|
|
|
|
|
|
|
|
1309 |
Decrypt String from Alphabet to Integer Mapping |
[无] |
C++ |
|
|
1310 |
XOR Queries of a Subarray |
[无] |
C++ |
|
|
1311 |
Get Watched Videos by Your Friends |
[无] |
C++ |
|
|
1312 |
Minimum Insertion Steps to Make a String Palindrome |
[无] |
C++ |
|
|
|
|
|
|
|
|
1317 |
Convert Integer to the Sum of Two No-Zero Integers |
[无] |
C++ |
|
|
1318 |
Minimum Flips to Make a OR b Equal to c |
[无] |
C++ |
|
|
1319 |
Number of Operations to Make Network Connected |
[无] |
C++ |
|
|
|
|
|
|
|
|
1329 |
Sort the Matrix Diagonally |
solution |
C++ |
|
|
|
|
|
|
|
|
1332 |
Remove Palindromic Subsequences |
solution |
C++ |
|
|
1333 |
Filter Restaurants by Vegan-Friendly, Price and Distance |
[无] |
C++ |
|
|
1334 |
Find the City With the Smallest Number of Neighbors at a Threshold Distance |
[无] |
C++ |
|
|
1335 |
Minimum Difficulty of a Job Schedule |
[无] |
C++ |
|
|
|
|
|
|
|
|
1337 |
The K Weakest Rows in a Matrix |
solution |
C++ |
|
|
1338 |
Reduce Array Size to The Half |
solution |
C++ |
|
|
1339 |
Maximum Product of Splitted Binary Tree |
solution |
C++ |
|
|
1340 |
Jump Game V |
[无] |
C++ |
|
|
1341 |
Database Problem: Link |
- |
- |
- |
- |
1342 |
Number of Steps to Reduce a Number to Zero |
[无] |
C++ |
|
|
1343 |
Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold |
[无] |
C++ |
|
|
1344 |
Angle Between Hands of a Clock |
C++ |
|
|
|
1345 |
Jump Game IV |
[无] |
C++ |
|
|
1346 |
Check If N and Its Double Exist |
[无] |
C++ |
|
|
1347 |
Minimum Number of Steps to Make Two Strings Anagram |
[无] |
C++ |
|
|
1348 |
Tweet Counts Per Frequency |
[无] |
C++ |
|
|
1349 |
Maximum Students Taking Exam |
[无] |
C++ |
|
|
1350 |
Database Problem: Link |
- |
- |
- |
- |
1351 |
Count Negative Numbers in a Sorted Matrix |
[无] |
C++ |
|
|
1352 |
Product of the Last K Numbers |
[无] |
C++ |
|
|
1353 |
Maximum Number of Events That Can Be Attended |
[无] |
C++ |
|
|
1354 |
Construct Target Array With Multiple Sums |
solution |
C++ |
|
|
1355 |
Database Problem: Link |
- |
- |
- |
- |
1356 |
Sort Integers by The Number of 1 Bits |
[无] |
C++ |
|
|
1357 |
Apply Discount Every n Orders |
[无] |
C++ |
|
|
1358 |
Number of Substrings Containing All Three Characters |
[无] |
C++ |
|
|
1359 |
Count All Valid Pickup and Delivery Options |
[无] |
C++ |
|
|
1360 |
Number of Days Between Two Dates |
[无] |
C++ |
|
|
1361 |
Validate Binary Tree Nodes |
[无] |
C++ |
|
|
1362 |
Closest Divisors |
[无] |
C++ |
|
|
1363 |
Largest Multiple of Three |
[无] |
C++ |
|
|
1364 |
Database Problem: Link |
- |
- |
- |
- |
1365 |
How Many Numbers Are Smaller Than the Current Number |
[无] |
C++ |
|
|
1366 |
Rank Teams by Votes |
[无] |
C++ |
|
|
1367 |
Linked List in Binary Tree |
[无] |
C++ |
|
|
1368 |
Minimum Cost to Make at Least One Valid Path in a Grid |
[无] |
C++ |
|
|
1369 |
Database Problem: Link |
- |
- |
- |
- |
1370 |
Increasing Decreasing String |
[无] |
C++ |
|
|
1371 |
Find the Longest Substring Containing Vowels in Even Counts |
[无] |
C++ |
|
|
1372 |
Longest ZigZag Path in a Binary Tree |
题解 [缺:dp,返回值DFS] |
C++ |
|
|
1373 |
Maximum Sum BST in Binary Tree |
[无] |
C++ |
|
|
1374 |
Generate a String With Characters That Have Odd Counts |
[无] |
C++ |
|
|
1375 |
Bulb Switcher III |
[无] |
C++ |
|
|
1376 |
Time Needed to Inform All Employees |
[无] |
C++ |
|
|
1377 |
Frog Position After T Seconds |
[无] |
C++ |
|
|
1378 |
Database Problem: Link |
- |
- |
- |
- |
1379 |
Find a Corresponding Node of a Binary Tree in a Clone of That Tree |
[无] |
C++ |
|
|
|
|
|
|
|
|
1383 |
Maximum Performance of a Team |
[无] |
C++ |
|
|
1384 |
Database Problem: Link |
- |
- |
- |
- |
|
|
|
|
|
|
1389 |
Create Target Array in the Given Order |
[无] |
C++ |
|
|
1390 |
Four Divisors |
[无] |
C++ |
|
|
1391 |
Check if There is a Valid Path in a Grid |
[无] |
C++ |
|
|
1392 |
Longest Happy Prefix |
[无] |
C++ |
|
|
1393 |
Database Problem: Link |
- |
- |
- |
- |
1394 |
Find Lucky Integer in an Array |
[无] |
C++ |
|
|
1395 |
Count Number of Teams |
[无] [缺:线段树] |
C++ |
|
|
1396 |
Design Underground System |
solution |
C++ |
|
|
1397 |
Find All Good Strings |
[无] [缺:双端数位 DP] |
C++ |
|
|
1398 |
Database Problem: Link |
- |
- |
- |
- |
1399 |
Count Largest Group |
[无] |
C++ |
|
|
1400 |
Construct K Palindrome Strings |
[无] |
C++ |
|
|
1401 |
Circle and Rectangle Overlapping |
[无] |
C++ |
|
|
1402 |
Reducing Dishes |
[无] |
C++ |
|
|
1403 |
Minimum Subsequence in Non Increasing Order |
[无] |
C++ |
|
|
1404 |
Number of Steps to Reduce a Number in Binary Representation to One |
[无] |
C++ |
|
|
1405 |
Longest Happy String |
[无] |
C++ |
|
|
1406 |
Stone Game III |
[无] |
C++ |
|
|
1407 |
Database Problem: Link |
- |
- |
- |
- |
1408 |
String Matching in an Array |
[无] |
C++ |
|
|
1409 |
Queries on a Permutation With Key |
[无] [缺:BIT] |
C++ |
|
|
1410 |
HTML Entity Parser |
[无] |
C++ |
|
|
1411 |
Number of Ways to Paint N × 3 Grid |
[无] |
C++ |
|
|
1412 |
Database Problem: Link |
- |
- |
- |
- |
1413 |
Minimum Value to Get Positive Step by Step Sum |
[无] |
C++ |
|
|
1414 |
Find the Minimum Number of Fibonacci Numbers Whose Sum Is K |
[无] |
C++ |
|
|
1415 |
The k-th Lexicographical String of All Happy Strings of Length n |
[无] |
C++ |
|
|
1416 |
Restore The Array |
[无] |
C++ |
|
|
1417 |
Reformat The String |
[无] |
C++ |
|
|
1418 |
Display Table of Food Orders in a Restaurant |
[无] |
C++ |
|
|
1419 |
Minimum Number of Frogs Croaking |
[无] |
C++ |
|
|
1420 |
Build Array Where You Can Find The Maximum Exactly K Comparisons |
[无] |
C++ |
|
|
1421 |
Database Problem: Link |
- |
- |
- |
- |
1422 |
Maximum Score After Splitting a String |
[无] |
C++ |
|
|
1423 |
Maximum Points You Can Obtain from Cards |
[无] |
C++ |
|
|
1424 |
Diagonal Traverse II |
[无] |
C++ |
|
|
1425 |
Constrained Subset Sum |
[无] |
C++ |
|
|
1426 |
Counting Elements |
solution |
C++ |
|
|
1427 |
Perform String Shifts |
solution |
C++ |
|
|
1428 |
Leftmost Column with at Least a One |
solution |
C++ |
|
|
1429 |
First Unique Number |
solution |
C++ |
|
|
1430 |
Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree |
[无] |
C++ |
|
|
1431 |
Kids With the Greatest Number of Candies |
[无] |
C++ |
|
|
1432 |
Max Difference You Can Get From Changing an Integer |
[无] |
C++ |
|
|
1433 |
Check If a String Can Break Another String |
[无] |
C++ |
|
|
1434 |
Number of Ways to Wear Different Hats to Each Other |
[无] |
C++ |
|
|
1435 |
Database Problem: Link |
- |
- |
- |
- |
1436 |
Destination City |
[无] |
C++ |
|
|
1437 |
Check If All 1's Are at Least Length K Places Away |
[无] |
C++ |
|
|
1438 |
Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit |
[无] |
C++ |
|
|
1439 |
Find the Kth Smallest Sum of a Matrix With Sorted Rows |
[无] |
C++ |
|
|
1440 |
Database Problem: Link |
- |
- |
- |
- |
1441 |
Build an Array With Stack Operations |
[无] |
C++ |
|
|
1442 |
Count Triplets That Can Form Two Arrays of Equal XOR |
[无] [缺:O(n)] |
C++ |
|
|
1443 |
Minimum Time to Collect All Apples in a Tree |
[无] |
C++ |
|
|
1444 |
Number of Ways of Cutting a Pizza |
[无] |
C++ |
|
|
1445 |
Database Problem: Link |
- |
- |
- |
- |
1446 |
Consecutive Characters |
[无] |
C++ |
|
|
1447 |
Simplified Fractions |
[无] |
C++ |
|
|
1448 |
Count Good Nodes in Binary Tree |
[无] |
C++ |
|
|
1449 |
Form Largest Integer With Digits That Add up to Target |
[无] |
C++ |
|
|
1450 |
Number of Students Doing Homework at a Given Time |
[无] |
C++ |
|
|
1451 |
Rearrange Words in a Sentence |
[无] |
C++ |
|
|
1452 |
People Whose List of Favorite Companies Is Not a Subset of Another List |
[无] |
C++ |
|
|
1453 |
Maximum Number of Darts Inside of a Circular Dartboard |
[无] [缺:Angular Sweep] |
C++ |
|
|
1454 |
Database Problem: Link |
- |
- |
- |
- |
1455 |
Check If a Word Occurs As a Prefix of Any Word in a Sentence |
[无] |
C++ |
|
|
1456 |
Maximum Number of Vowels in a Substring of Given Length |
[无] |
C++ |
|
|
1457 |
Pseudo Palindromic Paths in a Binary Tree |
[无] |
C++ |
|
|
1458 |
Max Dot Product of Two Subsequences |
[无] |
C++ |
|
|
1459 |
Database Problem: Link |
- |
- |
- |
- |
1460 |
Make Two Arrays Equal by Reversing Sub-arrays |
[无] |
C++ |
|
|
1461 |
Check If a String Contains All Binary Codes of Size K |
[无] |
C++ |
|
|
1462 |
Course Schedule IV |
[无] |
C++ |
|
|
1463 |
Cherry Pickup II |
[无] |
C++ |
|
|
1464 |
Maximum Product of Two Elements in an Array |
[无] |
C++ |
|
|
1465 |
Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts |
[无] |
C++ |
|
|
1466 |
Reorder Routes to Make All Paths Lead to the City Zero |
[无] |
C++ |
|
|
1467 |
Probability of a Two Boxes Having The Same Number of Distinct Balls |
[无] |
C++ |
|
|
1468 |
Database Problem: Link |
- |
- |
- |
- |
1469 |
Find All the Lonely Nodes |
[无] |
C++ |
|
|
1470 |
Shuffle the Array |
[无] |
C++ |
|
|
1471 |
The k Strongest Values in an Array |
[无] |
C++ |
|
|
1472 |
Design Browser History |
[无] |
C++ |
|
|
1473 |
Paint House III |
[无] |
C++ |
|
|
1474 |
Delete N Nodes After M Nodes of a Linked List |
[无] |
C++ |
|
|
1475 |
Final Prices With a Special Discount in a Shop |
[无] |
C++ |
|
|
1476 |
Subrectangle Queries |
[无] |
C++ |
|
|
1477 |
Find Two Non-overlapping Sub-arrays Each With Target Sum |
[无] |
C++ |
|
|
1478 |
Allocate Mailboxes |
[无] |
C++ |
|
|
1479 |
Database Problem: Link |
- |
- |
- |
- |
1480 |
Running Sum of 1d Array |
[无] |
C++ |
|
|
1481 |
Least Number of Unique Integers after K Removals |
[无] |
C++ |
|
|
1482 |
Minimum Number of Days to Make m Bouquets |
[无] |
C++ |
|
|
1483 |
Kth Ancestor of a Tree Node |
[无] |
C++ |
|
|
1484 |
Database Problem: Link |
- |
- |
- |
- |
1485 |
Clone Binary Tree With Random Pointer |
[无] |
C++ |
|
|
1486 |
XOR Operation in an Array |
[无] |
C++ |
|
|
1487 |
Making File Names Unique |
[无] |
C++ |
|
|
1488 |
Avoid Flood in The City |
[无] |
C++ |
|
|
1489 |
Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree |
[无] [缺:O(ElogE) 的解] |
C++ |
|
|
1490 |
Clone N-ary Tree |
[无] |
C++ |
|
|
1491 |
Average Salary Excluding the Minimum and Maximum Salary |
[无] |
C++ |
|
|
1492 |
The kth Factor of n |
[无] |
C++ |
|
|
1493 |
Longest Subarray of 1's After Deleting One Element |
[无] |
C++ |
|
|
1494 |
Parallel Courses II |
[无] |
C++ |
|
|
1495 |
Database Problem: Link |
- |
- |
- |
- |
1496 |
Path Crossing |
[无] |
C++ |
|
|
1497 |
Check If Array Pairs Are Divisible by k |
[无] |
C++ |
|
|
1498 |
Number of Subsequences That Satisfy the Given Sum Condition |
[无] |
C++ |
|
|
1499 |
Max Value of Equation |
[无] |
C++ |
|
|
|
|
|
|
|
|
1506 |
Find Root of N-Ary Tree |
solution |
C++ |
|
|
|
|
|
|
|
|
1522 |
Diameter of N-Ary Tree |
[无] |
C++ |
|
|
|
|
|
|
|
|
1539 |
Kth Missing Positive Number |
solution |
C++ |
|
|
|
|
|
|
|
|
1564 |
Put Boxes Into the Warehouse I |
[无] |
C++ |
|
|
|
|
|
|
|
|
1570 |
Dot Product of Two Sparse Vectors |
solution |
C++ |
|
|
1571 |
Database Problem: Link |
- |
- |
- |
- |
|
|
|
|
|
|
1576 |
Replace All ?'s to Avoid Consecutive Repeating Characters |
[无] |
C++ |
|
|
1577 |
Number of Ways Where Square of Number Is Equal to Product of Two Numbers |
[无] |
C++ |
|
|
1578 |
Minimum Deletion Cost to Avoid Repeating Letters |
[无] |
C++ |
|
|
1579 |
Remove Max Number of Edges to Keep Graph Fully Traversable |
[无] |
C++ |
|
|
1580 |
Put Boxes Into the Warehouse II |
[无] |
C++ |
|
|
1581 |
Database Problem: Link |
- |
- |
- |
- |
1582 |
Special Positions in a Binary Matrix |
[无] |
C++ |
|
|
1583 |
Count Unhappy Friends |
[无] |
C++ |
|
|
1584 |
Min Cost to Connect All Points |
[无] [缺:prim 和 ] |
C++ |
|
|
1585 |
Check If String Is Transformable With Substring Sort Operations |
[无] |
C++ |
|
|
1586 |
Binary Search Tree Iterator II |
[无] [缺:用栈模拟] |
C++ |
|
|
1587 |
Database Problem: Link |
- |
- |
- |
- |
1588 |
Sum of All Odd Length Subarrays |
[无] |
C++ |
|
|
1589 |
Maximum Sum Obtained of Any Permutation |
[无] |
C++ |
|
|
1590 |
Make Sum Divisible by P |
[无] |
C++ |
|
|
1591 |
Strange Printer II |
[无] |
C++ |
|
|
1592 |
Rearrange Spaces Between Words |
[无] |
C++ |
|
|
1593 |
Split a String Into the Max Number of Unique Substrings |
[无] |
C++ |
|
|
1594 |
Maximum Non Negative Product in a Matrix |
[无] |
C++ |
|
|
1595 |
Minimum Cost to Connect Two Groups of Points |
[无] |
C++ |
|
|
1596 |
Database Problem: Link |
- |
- |
- |
- |
1597 |
Build Binary Expression Tree From Infix Expression |
[无] |
C++ |
|
|
1598 |
Crawler Log Folder |
[无] |
C++ |
|
|
1599 |
Maximum Profit of Operating a Centennial Wheel |
[无] |
C++ |
|
|
1600 |
Throne Inheritance |
[无] |
C++ |
|
|
1601 |
Maximum Number of Achievable Transfer Requests |
[无] [缺:网络流解法] |
C++ |
|
|
1602 |
Find Nearest Right Node in Binary Tree |
solution |
C++ |
|
|
1603 |
Design Parking System |
[无] |
C++ |
|
|
1604 |
Alert Using Same Key-Card Three or More Times in a One Hour Period |
[无] |
C++ |
|
|
1605 |
Find Valid Matrix Given Row and Column Sums |
[无] |
C++ |
|
|
1606 |
Find Servers That Handled Most Number of Requests |
[无] |
C++ |
|
|
1607 |
Database Problem: Link |
- |
- |
- |
- |
1608 |
Special Array With X Elements Greater Than or Equal X |
[无] |
C++ |
|
|
1609 |
Even Odd Tree |
[无] |
C++ |
|
|
1610 |
Maximum Number of Visible Points |
[无] |
C++ |
|
|
1611 |
Minimum One Bit Operations to Make Integers Zero |
[无] |
C++ |
|
|
1612 |
Check If Two Expression Trees are Equivalent |
[无] |
C++ |
|
|
1613 |
Database Problem: Link |
- |
- |
- |
- |
1614 |
Maximum Nesting Depth of the Parentheses |
[无] |
C++ |
|
|
1615 |
Maximal Network Rank |
[无] |
C++ |
|
|
1616 |
Split Two Strings to Make Palindrome |
[无] |
C++ |
|
|
1617 |
Count Subtrees With Max Distance Between Cities |
[无] |
C++ |
|
|
1618 |
Maximum Font to Fit a Sentence in a Screen |
[无] |
C++ |
|
|
1619 |
Mean of Array After Removing Some Elements |
[无] |
C++ |
|
|
1620 |
Coordinate With Maximum Network Quality |
[无] |
C++ |
|
|
1621 |
Number of Sets of K Non-Overlapping Line Segments |
[无] |
C++ |
|
|
1622 |
Fancy Sequence |
[无] |
C++ |
|
|
1623 |
Database Problem: Link |
- |
- |
- |
- |
1624 |
Largest Substring Between Two Equal Characters |
[无] |
C++ |
|
|
1625 |
Lexicographically Smallest String After Applying Operations |
[无] |
C++ |
|
|
1626 |
Best Team With No Conflicts |
[无] [缺:nlogn 算法] |
C++ |
|
|
1627 |
Graph Connectivity With Threshold |
[无] |
C++ |
|
|
1628 |
Design an Expression Tree With Evaluate Function |
[无] |
C++ |
|
|
1629 |
Slowest Key |
[无] |
C++ |
|
|
1630 |
Arithmetic Subarrays |
[无] |
C++ |
|
|
1631 |
Path With Minimum Effort |
solution |
C++ |
|
|
1632 |
Rank Transform of a Matrix |
solution |
C++ |
|
|
1633 |
Database Problem: Link |
- |
- |
- |
- |
1634 |
Add Two Polynomials Represented as Linked Lists |
[无] |
C++ |
|
|
1635 |
Database Problem: Link |
- |
- |
- |
- |
1636 |
Sort Array by Increasing Frequency |
[无] |
C++ |
|
|
1637 |
Widest Vertical Area Between Two Points Containing No Points |
[无] |
C++ |
|
|
1638 |
Count Substrings That Differ by One Character |
[无] |
C++ |
|
|
1639 |
Number of Ways to Form a Target String Given a Dictionary |
[无] |
C++ |
|
|
1640 |
Check Array Formation Through Concatenation |
solution |
C++ |
|
|
1641 |
Count Sorted Vowel Strings |
solution |
C++ |
|
|
1642 |
Furthest Building You Can Reach |
[无] |
C++ |
|
|
1643 |
Kth Smallest Instructions |
[无] |
C++ |
|
|
1644 |
Lowest Common Ancestor of a Binary Tree II |
[无] |
C++ |
|
|
1645 |
Database Problem: Link |
- |
- |
- |
- |
1646 |
Get Maximum in Generated Array |
solution |
C++ |
|
|
1647 |
Minimum Deletions to Make Character Frequencies Unique |
[无] |
C++ |
|
|
1648 |
Sell Diminishing-Valued Colored Balls |
[无] |
C++ |
|
|
1649 |
Create Sorted Array through Instructions |
solution [缺:树状数组;归并] |
C++ |
|
|
1650 |
Lowest Common Ancestor of a Binary Tree III |
[无] |
C++ |
|
|
1651 |
Database Problem: Link |
- |
- |
- |
- |
1652 |
Defuse the Bomb |
[无] |
C++ |
|
|
1653 |
Minimum Deletions to Make String Balanced |
[无] |
C++ |
|
|
1654 |
Minimum Jumps to Reach Home |
[无] |
C++ |
|
|
1655 |
Distribute Repeating Integers |
[无] |
C++ |
|
|
1656 |
Design an Ordered Stream |
[无] |
C++ |
|
|
1657 |
Determine if Two Strings Are Close |
solution |
C++ |
|
|
1658 |
Minimum Operations to Reduce X to Zero |
solution |
C++ |
|
|
1659 |
Maximize Grid Happiness |
[无] |
C++ |
Java |
|
1660 |
Correct a Binary Tree |
[无] |
C++ |
|
|
1661 |
Database Problem: Link |
- |
- |
- |
- |
1662 |
Check If Two String Arrays are Equivalent |
solution |
C++ |
|
|
1663 |
Smallest String With A Given Numeric Value |
solution |
C++ |
|
|
1664 |
Ways to Make a Fair Array |
[无] |
C++ |
|
|
1665 |
Minimum Initial Energy to Finish Tasks |
[无] |
C++ |
|
|
1666 |
Change the Root of a Binary Tree |
[无] |
C++ |
|
|
1667 |
Database Problem: Link |
- |
- |
- |
- |
1668 |
Maximum Repeating Substring |
[无] |
C++ |
|
|
1669 |
Merge In Between Linked Lists |
[无] |
C++ |
|
|
1670 |
Design Front Middle Back Queue |
[无] |
C++ |
|
|
1671 |
Minimum Number of Removals to Make Mountain Array |
[无] |
C++ |
|
|
1672 |
Richest Customer Wealth |
[无] |
C++ |
|
|
1673 |
Find the Most Competitive Subsequence |
solution |
C++ |
|
|
1674 |
Minimum Moves to Make Array Complementary |
[无] |
C++ |
|
|
1675 |
Minimize Deviation in Array |
solution |
C++ |
|
|
1676 |
Lowest Common Ancestor of a Binary Tree IV |
[无] |
C++ |
|
|
1677 |
Database Problem: Link |
- |
- |
- |
- |
1678 |
Goal Parser Interpretation |
[无] |
C++ |
|
|
1679 |
Max Number of K-Sum Pairs |
solution |
C++ |
|
|
1680 |
Concatenation of Consecutive Binary Numbers |
solution |
C++ |
|
|
1681 |
Minimum Incompatibility |
[无] |
C++ |
|
|
1682 |
Longest Palindromic Subsequence II |
[无] |
C++ |
|
|
1683 |
Database Problem: Link |
- |
- |
- |
- |
1684 |
Count the Number of Consistent Strings |
[无] |
C++ |
|
|
1685 |
Sum of Absolute Differences in a Sorted Array |
[无] |
C++ |
|
|
1686 |
Stone Game VI |
[无] |
C++ |
|
|
1687 |
Delivering Boxes from Storage to Ports |
[无] [缺:dp + 优化] |
C++ |
|
|
1688 |
Count of Matches in Tournament |
C++ |
|
|
|
1689 |
Partitioning Into Minimum Number Of Deci-Binary Numbers |
solution |
C++ |
|
|
1690 |
Stone Game VII |
solution [缺:记忆化搜索;DP 空间优化] |
C++ |
|
|
1691 |
Maximum Height by Stacking Cuboids |
[无] |
C++ |
|
|
1692 |
Count Ways to Distribute Candies |
[无] |
C++ |
|
|
1693 |
Database Problem: Link |
- |
- |
- |
- |
1694 |
Reformat Phone Number |
[无] |
C++ |
|
|
1695 |
Maximum Erasure Value |
[无] |
C++ |
|
|
1696 |
Jump Game VI |
[无] |
C++ |
|
|
1697 |
Checking Existence of Edge Length Limited Paths |
[无] |
C++ |
|
|
1698 |
Number of Distinct Substrings in a String |
[无] |
C++ |
|
|
1699 |
Database Problem: Link |
- |
- |
- |
- |
1700 |
Number of Students Unable to Eat Lunch |
[无] |
C++ |
|
|
1701 |
Average Waiting Time |
[无] |
C++ |
|
|
1702 |
Maximum Binary String After Change |
[无] |
C++ |
|
|
1703 |
Minimum Adjacent Swaps for K Consecutive Ones |
[无] |
C++ |
|
|
1704 |
Determine if String Halves Are Alike |
solution |
C++ |
|
|
1705 |
Maximum Number of Eaten Apples |
solution |
C++ |
|
|
1706 |
Where Will the Ball Fall |
[无] |
C++ |
|
|
1707 |
Maximum XOR With an Element From Array |
[无] |
C++ |
|
|
1708 |
Largest Subarray Length K |
[无] |
C++ |
|
|
1709 |
Database Problem: Link |
- |
- |
- |
- |
1710 |
Maximum Units on a Truck |
solution |
C++ |
|
|
1711 |
Count Good Meals |
[无] |
C++ |
|
|
1712 |
Ways to Split Array Into Three Subarrays |
solution |
C++ |
|
|
1713 |
Minimum Operations to Make a Subsequence |
[无] |
C++ |
|
|
1714 |
Sum Of Special Evenly-Spaced Elements In Array |
[无] |
C++ |
|
|
1715 |
Database Problem: Link |
- |
- |
- |
- |
1716 |
Calculate Money in Leetcode Bank |
[无] |
C++ |
|
|
1717 |
Maximum Score From Removing Substrings |
[无] |
C++ |
|
|
1718 |
Construct the Lexicographically Largest Valid Sequence |
[无] |
C++ |
|
|
1719 |
Number Of Ways To Reconstruct A Tree |
[无] |
C++ |
|
|
1720 |
Decode XORed Array |
[无] |
C++ |
|
|
1721 |
Swapping Nodes in a Linked List |
[无] |
C++ |
|
|
1722 |
Minimize Hamming Distance After Swap Operations |
[无] |
C++ |
|
|
1723 |
Find Minimum Time to Finish All Jobs |
[无] |
C++ |
|
|
1724 |
Checking Existence of Edge Length Limited Paths II |
[无] |
C++ |
|
|
1725 |
Number Of Rectangles That Can Form The Largest Square |
[无] |
C++ |
|
|
1726 |
Tuple with Same Product |
[无] |
C++ |
|
|
1727 |
Largest Submatrix With Rearrangements |
[无] |
C++ |
|
|
1728 |
Cat and Mouse II |
[无] |
C++ |
|
|
1729 |
Database Problem: Link |
- |
- |
- |
- |
1730 |
Shortest Path to Get Food |
[无] |
C++ |
|
|
1731 |
Database Problem: Link |
- |
- |
- |
- |
1732 |
Find the Highest Altitude |
[无] |
C++ |
|
|
1733 |
Minimum Number of People to Teach |
[无] |
C++ |
|
|
1734 |
Decode XORed Permutation |
[无] |
C++ |
|
|
1735 |
Count Ways to Make Array With Product |
[无] |
C++ |
|
|
1736 |
Latest Time by Replacing Hidden Digits |
[无] |
C++ |
|
|
1737 |
Change Minimum Characters to Satisfy One of Three Conditions |
[无] |
C++ |
|
|
1738 |
Find Kth Largest XOR Coordinate Value |
[无] |
C++ |
|
|
1739 |
Building Boxes |
[无] [缺:二分;数学] |
C++ |
|
|
1740 |
Find Distance in a Binary Tree |
[无] [缺:LCA] |
C++ |
|
|
1741 |
Database Problem: Link |
- |
- |
- |
- |
1742 |
Maximum Number of Balls in a Box |
[无] |
C++ |
|
|
1743 |
Restore the Array From Adjacent Pairs |
[无] |
C++ |
|
|
1744 |
Can You Eat Your Favorite Candy on Your Favorite Day? |
[无] |
C++ |
|
|
1745 |
Palindrome Partitioning IV |
[无] |
C++ |
|
|
1746 |
Maximum Subarray Sum After One Operation |
[无] |
C++ |
|
|
1747 |
Database Problem: Link |
- |
- |
- |
- |
1748 |
Sum of Unique Elements |
[无] |
C++ |
|
|
1749 |
Maximum Absolute Sum of Any Subarray |
[无] |
C++ |
|
|
1750 |
Minimum Length of String After Deleting Similar Ends |
[无] |
C++ |
|
|
1751 |
Maximum Number of Events That Can Be Attended II |
[无] |
C++ |
|
|
1752 |
Check if Array Is Sorted and Rotated |
[无] |
C++ |
|
|
1753 |
Maximum Score From Removing Stones |
[无] |
C++ |
|
|
1754 |
Largest Merge Of Two Strings |
[无] |
C++ |
|
|
1755 |
Closest Subsequence Sum |
[无] |
C++ |
|
|
1756 |
Design Most Recently Used Queue |
[无] [缺:线段树,sqrt 分解] |
C++ |
|
|
1757 |
Database Problem: Link |
- |
- |
- |
- |
1758 |
Minimum Changes To Make Alternating Binary String |
[无] |
C++ |
|
|
1759 |
Count Number of Homogenous Substrings |
[无] |
C++ |
|
|
1760 |
Minimum Limit of Balls in a Bag |
[无] |
C++ |
|
|
1761 |
Minimum Degree of a Connected Trio in a Graph |
[无] |
C++ |
|
|
1762 |
Buildings With an Ocean View |
[无] |
C++ |
|
|
1763 |
Longest Nice Substring |
[无] |
C++ |
|
|
1764 |
Form Array by Concatenating Subarrays of Another Array |
|
|
|
|
1765 |
Map of Highest Peak |
[无] |
C++ |
|
|
1766 |
Tree of Coprimes |
[无] |
C++ |
|
|
1767 |
Database Problem: Link |
- |
- |
- |
- |
1768 |
Merge Strings Alternately |
[无] |
C++ |
|
|
1769 |
Minimum Number of Operations to Move All Balls to Each Box |
[无] |
C++ |
|
|
1770 |
Maximum Score from Performing Multiplication Operations |
[无] |
C++ |
|
|
1771 |
Maximize Palindrome Length From Subsequences |
[无] |
C++ |
|
|
1772 |
Sort Features by Popularity |
[无] |
C++ |
|
|
1773 |
Count Items Matching a Rule |
[无] |
C++ |
|
|
1774 |
Closest Dessert Cost |
[无] |
C++ |
|
|
1775 |
Equal Sum Arrays With Minimum Number of Operations |
[无] |
C++ |
|
|
1776 |
Car Fleet II |
[无] [缺:stack] |
C++ |
|
|
1777 |
Database Problem: Link |
- |
- |
- |
- |
1778 |
Shortest Path in a Hidden Grid |
[无] |
C++ |
|
|
1779 |
Find Nearest Point That Has the Same X or Y Coordinate |
[无] |
C++ |
|
|
1780 |
Check if Number is a Sum of Powers of Three |
[无] |
C++ |
|
|
1781 |
Sum of Beauty of All Substrings |
[无] |
C++ |
|
|
1782 |
Count Pairs Of Nodes |
[无] |
C++ |
|
|
1783 |
Database Problem: Link |
- |
- |
- |
- |
1784 |
Check if Binary String Has at Most One Segment of Ones |
[无] |
C++ |
|
|
1785 |
Minimum Elements to Add to Form a Given Sum |
[无] |
C++ |
|
|
1786 |
Number of Restricted Paths From First to Last Node |
[无] |
C++ |
|
|
1787 |
Make the XOR of All Segments Equal to Zero |
[无] |
C++ |
|
|
1788 |
Maximize the Beauty of the Garden |
[无] |
C++ |
|
|
1789 |
Database Problem: Link |
- |
- |
- |
- |
1790 |
Check if One String Swap Can Make Strings Equal |
[无] |
C++ |
|
|
1791 |
Find Center of Star Graph |
[无] |
C++ |
|
|
1792 |
Maximum Average Pass Ratio |
[无] |
C++ |
|
|
1793 |
Maximum Score of a Good Subarray |
[无] |
C++ |
|
|
1794 |
Count Pairs of Equal Substrings With Minimum Difference |
[无] |
C++ |
|
|
1795 |
Database Problem: Link |
- |
- |
- |
- |
1796 |
Second Largest Digit in a String |
[无] |
C++ |
|
|
1797 |
Design Authentication Manager |
[无] |
C++ |
|
|
1798 |
Maximum Number of Consecutive Values You Can Make |
[无] |
C++ |
|
|
1799 |
Maximize Score After N Operations |
[无] |
C++ |
|
|
1800 |
Maximum Ascending Subarray Sum |
[无] |
C++ |
|
|
1801 |
Number of Orders in the Backlog |
[无] |
C++ |
|
|
1802 |
Maximum Value at a Given Index in a Bounded Array |
[无] |
C++ |
|
|
1803 |
Count Pairs With XOR in a Range |
[无] |
C++ |
|
|
1804 |
Implement Trie II (Prefix Tree) |
[无] |
C++ |
|
|
1805 |
Number of Different Integers in a String |
[无] |
C++ |
|
|
1806 |
Minimum Number of Operations to Reinitialize a Permutation |
[无] [缺:数学方法] |
C++ |
|
|
1807 |
Evaluate the Bracket Pairs of a String |
[无] |
C++ |
|
|
1808 |
Maximize Number of Nice Divisors |
[无] |
C++ |
|
|
1809 |
Database Problem: Link |
- |
- |
- |
- |
1810 |
Minimum Path Cost in a Hidden Grid |
[无] |
C++ |
|
|
1811 |
Database Problem: Link |
- |
- |
- |
- |
1812 |
Determine Color of a Chessboard Square |
[无] |
C++ |
|
|
1813 |
Sentence Similarity III |
[无] |
C++ |
|
|
1814 |
Count Nice Pairs in an Array |
[无] |
C++ |
|
|
1815 |
Maximum Number of Groups Getting Fresh Donuts |
[无] |
C++ |
|
|
1816 |
Truncate Sentence |
[无] |
C++ |
|
|
1817 |
Finding the Users Active Minutes |
[无] |
C++ |
|
|
1818 |
Minimum Absolute Sum Difference |
[无] |
C++ |
|
|
1819 |
Number of Different Subsequences GCDs |
[无] |
C++ |
|
|
1820 |
Maximum Number of Accepted Invitations |
[无] |
C++ |
|
|
1821 |
Database Problem: Link |
- |
- |
- |
- |
1822 |
Sign of the Product of an Array |
[无] |
C++ |
|
|
1823 |
Find the Winner of the Circular Game |
[无] |
C++ |
|
|
1824 |
Minimum Sideway Jumps |
[无] [缺:DP] |
C++ |
|
|
1825 |
Finding MK Average |
[无] [缺:线段树,AVL] |
C++ |
|
|
1826 |
Faulty Sensor |
[无] |
C++ |
|
|
1827 |
Minimum Operations to Make the Array Increasing |
[无] |
C++ |
|
|
1828 |
Queries on Number of Points Inside a Circle |
[无] |
C++ |
|
|
1829 |
Maximum XOR for Each Query |
[无] |
C++ |
|
|
1830 |
Minimum Number of Operations to Make String Sorted |
[无] |
C++ |
|
|
1831 |
Database Problem: Link |
- |
- |
- |
- |
1832 |
Check if the Sentence Is Pangram |
[无] |
C++ |
|
|
1833 |
Maximum Ice Cream Bars |
[无] |
C++ |
|
|
1834 |
Single-Threaded CPU |
[无] |
C++ |
|
|
1835 |
Find XOR Sum of All Pairs Bitwise AND |
[无] [缺:数学方法] |
C++ |
|
|
1836 |
Remove Duplicates From an Unsorted Linked List |
[无] |
C++ |
|
|
1837 |
Sum of Digits in Base K |
[无] |
C++ |
|
|
1838 |
Frequency of the Most Frequent Element |
[无] |
C++ |
|
|
1839 |
Longest Substring Of All Vowels in Order |
[无] |
C++ |
|
|
1840 |
Maximum Building Height |
[无] |
C++ |
|
|
1841 |
Database Problem: Link |
- |
- |
- |
- |
1842 |
Next Palindrome Using Same Digits |
[无] |
C++ |
|
|
1843 |
Database Problem: Link |
- |
- |
- |
- |
1844 |
Replace All Digits with Characters |
[无] |
C++ |
|
|
1845 |
Seat Reservation Manager |
[无] |
C++ |
|
|
1846 |
Maximum Element After Decreasing and Rearranging |
[无] |
C++ |
|
|
1847 |
Closest Room |
[无] |
C++ |
|
|
1848 |
Minimum Distance to the Target Element |
[无] |
C++ |
|
|
1849 |
Splitting a String Into Descending Consecutive Values |
[无] |
C++ |
|
|
1850 |
Minimum Adjacent Swaps to Reach the Kth Smallest Number |
[无] |
C++ |
|
|
1851 |
Minimum Interval to Include Each Query |
[无] |
C++ |
|
|
1852 |
Distinct Numbers in Each Subarray |
[无] |
C++ |
|
|
1853 |
Database Problem: Link |
- |
- |
- |
- |
1854 |
Maximum Population Year |
[无] |
C++ |
|
|
1855 |
Maximum Distance Between a Pair of Values |
[无] |
C++ |
|
|
1856 |
Maximum Subarray Min-Product |
[无] |
C++ |
|
|
1857 |
Largest Color Value in a Directed Graph |
[无] |
C++ |
|
|
1858 |
Longest Word With All Prefixes |
[无] |
C++ |
|
|
1859 |
Sorting the Sentence |
[无] |
C++ |
|
|
1860 |
Incremental Memory Leak |
[无] |
C++ |
|
|
1861 |
Rotating the Box |
[无] |
C++ |
|
|
1862 |
Sum of Floored Pairs |
[无] |
C++ |
|
|
1863 |
Sum of All Subset XOR Totals |
[无] [缺:数学解] |
C++ |
|
|
1864 |
Minimum Number of Swaps to Make the Binary String Alternating |
[无] |
C++ |
|
|
1865 |
Finding Pairs With a Certain Sum |
[无] |
C++ |
|
|
1866 |
Number of Ways to Rearrange Sticks With K Sticks Visible |
[无] |
C++ |
|
|
1867 |
Database Problem: Link |
- |
- |
- |
- |
1868 |
Product of Two Run-Length Encoded Arrays |
[无] |
C++ |
|
|
1869 |
Longer Contiguous Segments of Ones than Zeros |
[无] |
C++ |
|
|
1870 |
Minimum Speed to Arrive on Time |
[无] |
C++ |
|
|
1871 |
Jump Game VII |
[无] |
C++ |
|
|
1872 |
Stone Game VIII |
solution |
|
|
|
1873 |
Database Problem: Link |
- |
- |
- |
- |
1874 |
Minimize Product Sum of Two Arrays |
[无] |
C++ |
|
|
1875 |
Database Problem: Link |
- |
- |
- |
- |
1876 |
Substrings of Size Three with Distinct Characters |
[无] |
C++ |
|
|
1877 |
Minimize Maximum Pair Sum in Array |
[无] |
C++ |
|
|
1878 |
Get Biggest Three Rhombus Sums in a Grid |
[无] |
C++ |
|
|
1879 |
Minimum XOR Sum of Two Arrays |
[无] [缺:DP] |
C++ |
|
|
1880 |
Check if Word Equals Summation of Two Words |
[无] |
C++ |
|
|
1881 |
Maximum Value after Insertion |
[无] |
C++ |
|
|
1882 |
Process Tasks Using Servers |
[无] |
C++ |
|
|
1883 |
Minimum Skips to Arrive at Meeting On Time |
[无] [缺:DP] |
C++ |
|
|
1884 |
Egg Drop With 2 Eggs and N Floors |
[无] [缺:O(1) 数学] |
C++ |
|
|
1885 |
Count Pairs in Two Arrays |
[无] |
C++ |
|
|
1886 |
Determine Whether Matrix Can Be Obtained By Rotation |
[无] |
C++ |
|
|
1887 |
Reduction Operations to Make the Array Elements Equal |
[无] |
C++ |
|
|
1888 |
Minimum Number of Flips to Make the Binary String Alternating |
[无] |
C++ |
|
|
1889 |
Minimum Space Wasted From Packaging |
[无] |
C++ |
|
|
1890 |
Database Problem: Link |
- |
- |
- |
- |
1891 |
Cutting Ribbons |
[无] |
C++ |
|
|
1892 |
Database Problem: Link |
- |
- |
- |
- |
1893 |
Check if All the Integers in a Range Are Covered |
[无] |
C++ |
|
|
1894 |
Find the Student that Will Replace the Chalk |
[无] |
C++ |
|
|
1895 |
Largest Magic Square |
[无] |
C++ |
|
|
1896 |
Minimum Cost to Change the Final Value of Expression |
[无] |
C++ |
|
|
1897 |
Redistribute Characters to Make All Strings Equal |
[无] |
C++ |
|
|
1898 |
Maximum Number of Removable Characters |
[无] |
C++ |
|
|
1899 |
Merge Triplets to Form Target Triplet |
[无] |
C++ |
|
|
1900 |
The Earliest and Latest Rounds Where Players Compete |
[无] |
C++ |
|
|
1901 |
Find a Peak Element II |
[无] |
C++ |
|
|
1902 |
Depth of BST Given Insertion Order |
[无] |
C++ |
|
|
1903 |
Largest Odd Number in String |
[无] |
C++ |
|
|
1904 |
The Number of Full Rounds You Have Played |
[无] |
C++ |
|
|
1905 |
Count Sub Islands |
[无] |
C++ |
|
|
1906 |
Minimum Absolute Difference Queries |
[无] [缺:二分] |
C++ |
|
|
1907 |
Database Problem: Link |
- |
- |
- |
- |
1908 |
Game of Nim |
[无] [缺:dp] |
C++ |
|
|
1909 |
Remove One Element to Make the Array Strictly Increasing |
[无] |
C++ |
|
|
1910 |
Remove All Occurrences of a Substring |
[无] |
C++ |
|
|
1911 |
Maximum Alternating Subsequence Sum |
[无] [缺:dp] |
C++ |
|
|
1912 |
Design Movie Rental System |
[无] |
C++ |
|
|
1913 |
Maximum Product Difference Between Two Pairs |
[无] |
C++ |
|
|
1914 |
Cyclically Rotating a Grid |
[无] |
C++ |
|
|
1915 |
Number of Wonderful Substrings |
[无] |
C++ |
|
|
1916 |
Count Ways to Build Rooms in an Ant Colony |
[无] |
C++ |
|
|
1917 |
Database Problem: Link |
- |
- |
- |
- |
1918 |
Kth Smallest Subarray Sum |
[无] |
C++ |
|
|
1919 |
Database Problem: Link |
- |
- |
- |
- |
1920 |
Build Array from Permutation |
[无] |
C++ |
|
|
1921 |
Eliminate Maximum Number of Monsters |
[无] |
C++ |
|
|
1922 |
Count Good Numbers |
[无] |
C++ |
|
|
1923 |
Longest Common Subpath |
[无] [缺:后缀树组+LCP 滚动哈希两次碰撞] |
C++ |
|
|
1924 |
Erect the Fence II |
[无] |
C++ |
|
|
1925 |
Count Square Sum Triples |
[无] |
C++ |
|
|
1926 |
Nearest Exit from Entrance in Maze |
[无] |
C++ |
|
|
1927 |
Sum Game |
[无] |
C++ |
|
|
1928 |
Minimum Cost to Reach Destination in Time |
[无] |
C++ |
|
|
1929 |
Concatenation of Array |
[无] |
C++ |
|
|
1930 |
Unique Length-3 Palindromic Subsequences |
[无] |
C++ |
|
|
1931 |
Painting a Grid With Three Different Colors |
[无] |
C++ |
|
|
1932 |
Merge BSTs to Create Single BST |
[无] |
C++ |
|
|
1933 |
Check if String Is Decomposable Into Value-Equal Substrings |
[无] |
C++ |
|
|
1934 |
Database Problem: Link |
- |
- |
- |
- |
1935 |
Maximum Number of Words You Can Type |
[无] |
C++ |
|
|
1936 |
Add Minimum Number of Rungs |
[无] |
C++ |
|
|
1937 |
Maximum Number of Points with Cost |
[无] |
C++ |
|
|
1938 |
Maximum Genetic Difference Query |
[无] |
C++ |
|
|
1939 |
Database Problem: Link |
- |
- |
- |
- |
1940 |
Longest Common Subsequence Between Sorted Arrays |
[无] |
C++ |
|
|
1941 |
Check if All Characters Have Equal Number of Occurrences |
[无] |
C++ |
|
|
1942 |
The Number of the Smallest Unoccupied Chair |
[无] |
C++ |
|
|
1943 |
Describe the Painting |
[无] |
C++ |
|
|
1944 |
Number of Visible People in a Queue |
[无] |
C++ |
|
|
1945 |
Sum of Digits of String After Convert |
[无] |
C++ |
|
|
1946 |
Largest Number After Mutating Substring |
[无] |
C++ |
|
|
1947 |
Maximum Compatibility Score Sum |
[无] |
C++ |
|
|
1948 |
Delete Duplicate Folders in System |
[无] |
C++ |
|
|
1949 |
Database Problem: Link |
- |
- |
- |
- |
1950 |
Maximum of Minimum Values in All Subarrays |
[无] |
C++ |
|
|
1951 |
Database Problem: Link |
- |
- |
- |
- |
1952 |
Three Divisors |
[无] |
C++ |
|
|
1953 |
Maximum Number of Weeks for Which You Can Work |
[无] |
C++ |
|
|
1954 |
Minimum Garden Perimeter to Collect Enough Apples |
[无] |
C++ |
|
|
1955 |
Count Number of Special Subsequences |
[无] |
C++ |
|
|
1956 |
Minimum Time For K Virus Variants to Spread |
[无] |
C++ |
|
|
1957 |
Delete Characters to Make Fancy String |
[无] |
C++ |
|
|
1958 |
Check if Move is Legal |
[无] |
C++ |
|
|
1959 |
Minimum Total Space Wasted With K Resizing Operations |
[无] |
C++ |
|
|
1960 |
Maximum Product of the Length of Two Palindromic Substrings |
[无] |
C++ |
|
|
1961 |
Check If String Is a Prefix of Array |
[无] |
C++ |
|
|
1962 |
Remove Stones to Minimize the Total |
[无] |
C++ |
|
|
1963 |
Minimum Number of Swaps to Make the String Balanced |
[无] |
C++ |
|
|
1964 |
Find the Longest Valid Obstacle Course at Each Position |
[无] |
C++ |
|
|
1965 |
Database Problem: Link |
- |
- |
- |
- |
1966 |
Binary Searchable Numbers in an Unsorted Array |
[无] |
C++ |
|
|
1967 |
Number of Strings That Appear as Substrings in Word |
[无] |
C++ |
|
|
1968 |
Array With Elements Not Equal to Average of Neighbors |
[无] |
C++ |
|
|
1969 |
Minimum Non-Zero Product of the Array Elements |
[无] |
C++ |
|
|
1970 |
Last Day Where You Can Still Cross |
[无] |
C++ |
|
|
1971 |
Find if Path Exists in Graph |
[无] |
C++ |
|
|
1972 |
Database Problem: Link |
- |
- |
- |
- |
1973 |
Count Nodes Equal to Sum of Descendants |
[无] |
C++ |
|
|
1974 |
Minimum Time to Type Word Using Special Typewriter |
[无] |
C++ |
|
|
1975 |
Maximum Matrix Sum |
[无] |
C++ |
|
|
1976 |
Number of Ways to Arrive at Destination |
[无] |
C++ |
|
|
1977 |
Number of Ways to Separate Numbers |
[无] |
C++ |
|
|
1978 |
Database Problem: Link |
- |
- |
- |
- |
1979 |
Find Greatest Common Divisor of Array |
[无] |
C++ |
|
|
1980 |
Find Unique Binary String |
[无] |
C++ |
|
|
1981 |
Minimize the Difference Between Target and Chosen Elements |
[无] |
C++ |
|
|
1982 |
Find Array Given Subset Sums |
[无] |
C++ |
|
|
|
|
|
|
|
|