| 1 |
😄 |
Two Sum |
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⭐️ |
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| 2 |
😎 |
Add Two Numbers |
⭐️ |
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| 3 |
😎 |
Longest Substring Without Repeating Characters |
⭐️ |
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| 4 |
😈 |
Median of Two Sorted Arrays |
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| 5 |
😎 |
Longest Palindromic Substring |
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| 6 |
😄 |
ZigZag Conversion |
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⭐️ |
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| 7 |
😄 |
Reverse Integer |
⭐️ |
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⭐️ |
| 8 |
😄 |
String to Integer (atoi) |
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⭐️ |
| 9 |
😄 |
Palindrome Number |
⭐️ |
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| 10 |
😈 |
Regular Expression Matching |
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| 11 |
😎 |
Container With Most Water |
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| 12 |
😎 |
Integer to Roman |
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⭐️ |
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| 13 |
😄 |
Roman to Integer |
⭐️ |
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| 14 |
😄 |
Longest Common Prefix |
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⭐️ |
| 15 |
😎 |
3Sum |
⭐️ |
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| 16 |
😎 |
3Sum Closest |
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| 17 |
😎 |
Letter Combinations of a Phone Number |
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| 18 |
😎 |
4Sum |
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| 19 |
😄 |
Remove Nth Node From End of List |
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⭐️ |
| 20 |
😄 |
Valid Parentheses |
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⭐️ |
| 21 |
😄 |
Merge Two Sorted Lists |
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⭐️ |
| 22 |
😎 |
Generate Parentheses |
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⭐️ |
| 23 |
😈 |
Merge k Sorted Lists |
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| 24 |
😄 |
Swap Nodes in Pairs |
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⭐️ |
| 25 |
😈 |
Reverse Nodes in k-Group |
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| 26 |
😄 |
Remove Duplicates from Sorted Array |
⭐️ |
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| 27 |
😄 |
Remove Element |
⭐️ |
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| 28 |
😄 |
Implement strStr() |
⭐️ |
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⭐️ |
| 29 |
😎 |
Divide Two Integers |
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| 30 |
😈 |
Substring with Concatenation of All Words |
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| 31 |
😎 |
Next Permutation |
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| 32 |
😈 |
Longest Valid Parentheses |
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| 33 |
😈 |
Search in Rotated Sorted Array |
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| 34 |
😎 |
Search for a Range |
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⭐️ |
| 35 |
😎 |
Search Insert Position |
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| 36 |
😄 |
Valid Sudoku |
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| 37 |
😈 |
Sudoku Solver |
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| 38 |
😄 |
Count and Say |
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⭐️ |
| 39 |
😎 |
Combination Sum |
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| 40 |
😎 |
Combination Sum II |
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| 41 |
😈 |
First Missing Positive |
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⭐️ |
| 42 |
😈 |
Trapping Rain Water |
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| 43 |
😎 |
Multiply Strings |
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| 44 |
😈 |
Wildcard Matching |
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| 45 |
😈 |
Jump Game II |
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| 46 |
😎 |
Permutations |
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| 47 |
😎 |
Permutations II |
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| 48 |
😎 |
Rotate Image |
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| 49 |
😎 |
Group Anagrams |
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| 50 |
😎 |
Pow(x, n) |
⭐️ |
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| 51 |
😈 |
N-Queens |
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| 52 |
😈 |
N-Queens II |
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| 53 |
😎 |
Maximum Subarray |
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| 54 |
😎 |
Spiral Matrix |
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⭐️ |
| 55 |
😎 |
Jump Game |
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| 56 |
😈 |
Merge Intervals |
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| 57 |
😈 |
Insert Interval |
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| 58 |
😄 |
Length of Last Word |
⭐️ |
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| 59 |
😎 |
Spiral Matrix II |
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| 60 |
😎 |
Permutation Sequence |
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| 61 |
😎 |
Rotate List |
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| 62 |
😎 |
Unique Paths |
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| 63 |
😎 |
Unique Paths II |
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| 64 |
😎 |
Minimum Path Sum |
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| 65 |
😈 |
Valid Number |
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| 66 |
😄 |
Plus One |
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⭐️ |
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| 67 |
😄 |
Add Binary |
⭐️ |
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| 68 |
😈 |
Text Justification |
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| 69 |
😎 |
Sqrt(x) |
⭐️ |
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| 70 |
😄 |
Climbing Stairs |
⭐️ |
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| 71 |
😎 |
Simplify Path |
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⭐️ |
| 72 |
😈 |
Edit Distance |
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| 73 |
😎 |
Set Matrix Zeroes |
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| 74 |
😎 |
Search a 2D Matrix |
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| 75 |
😎 |
Sort Colors |
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| 76 |
😈 |
Minimum Window Substring |
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| 77 |
😎 |
Combinations |
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| 78 |
😎 |
Subsets |
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| 79 |
😎 |
Word Search |
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| 80 |
😎 |
Remove Duplicates from Sorted Array II |
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| 81 |
😎 |
Search in Rotated Sorted Array II |
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| 82 |
😎 |
Remove Duplicates from Sorted List II |
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| 83 |
😄 |
Remove Duplicates from Sorted List |
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⭐️ |
| 84 |
😈 |
Largest Rectangle in Histogram |
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| 85 |
😈 |
Maximal Rectangle |
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| 86 |
😎 |
Partition List |
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| 87 |
😈 |
Scramble String |
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| 88 |
😄 |
Merge Sorted Array |
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⭐️ |
| 89 |
😎 |
Gray Code |
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| 90 |
😎 |
Subsets II |
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| 91 |
😎 |
Decode Ways |
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| 92 |
😎 |
Reverse Linked List II |
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| 93 |
😎 |
Restore IP Addresses |
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| 94 |
😎 |
Binary Tree Inorder Traversal |
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⭐️ |
| 95 |
😎 |
Unique Binary Search Trees II |
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| 96 |
😎 |
Unique Binary Search Trees |
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| 97 |
😈 |
Interleaving String |
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| 98 |
😎 |
Validate Binary Search Tree |
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| 99 |
😈 |
Recover Binary Search Tree |
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| 100 |
😄 |
Same Tree |
|
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| 101 |
😄 |
Symmetric Tree |
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| 102 |
😄 |
Binary Tree Level Order Traversal |
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| 103 |
😎 |
Binary Tree Zigzag Level Order Traversal |
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| 104 |
😄 |
Maximum Depth of Binary Tree |
|
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| 105 |
😎 |
Construct Binary Tree from Preorder and Inorder Traversal |
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| 106 |
😎 |
Construct Binary Tree from Inorder and Postorder Traversal |
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| 107 |
😄 |
Binary Tree Level Order Traversal II |
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| 108 |
😎 |
Convert Sorted Array to Binary Search Tree |
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| 109 |
😎 |
Convert Sorted List to Binary Search Tree |
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| 110 |
😄 |
Balanced Binary Tree |
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| 111 |
😄 |
Minimum Depth of Binary Tree |
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| 112 |
😄 |
Path Sum |
|
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| 113 |
😎 |
Path Sum II |
|
|
|
⭐️ |
| 114 |
😎 |
Flatten Binary Tree to Linked List |
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⭐️ |
| 115 |
😈 |
Distinct Subsequences |
|
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| 116 |
😎 |
Populating Next Right Pointers in Each Node |
|
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| 117 |
😈 |
Populating Next Right Pointers in Each Node II |
|
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| 118 |
😄 |
Pascal's Triangle |
|
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| 119 |
😄 |
Pascal's Triangle II |
|
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|
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| 120 |
😎 |
Triangle |
|
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| 121 |
😄 |
Best Time to Buy and Sell Stock |
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| 122 |
😎 |
Best Time to Buy and Sell Stock II |
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| 123 |
😈 |
Best Time to Buy and Sell Stock III |
|
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| 124 |
😈 |
Binary Tree Maximum Path Sum |
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| 125 |
😄 |
Valid Palindrome |
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| 126 |
😈 |
Word Ladder II |
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| 127 |
😎 |
Word Ladder |
|
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| 128 |
😈 |
Longest Consecutive Sequence |
|
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| 129 |
😎 |
Sum Root to Leaf Numbers |
|
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⭐️ |
| 130 |
😎 |
Surrounded Regions |
|
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| 131 |
😎 |
Palindrome Partitioning |
|
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| 132 |
😈 |
Palindrome Partitioning II |
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| 133 |
😎 |
Clone Graph |
|
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| 134 |
😎 |
Gas Station |
|
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| 135 |
😈 |
Candy |
|
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| 136 |
😄 |
Single Number |
⭐️ |
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| 137 |
😎 |
Single Number II |
|
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| 138 |
😈 |
Copy List with Random Pointer |
|
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| 139 |
😎 |
Word Break |
|
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|
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| 140 |
😈 |
Word Break II |
|
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| 141 |
😄 |
Linked List Cycle |
|
|
|
⭐️ |
| 142 |
😎 |
Linked List Cycle II |
|
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|
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| 143 |
😎 |
Reorder List |
|
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|
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| 144 |
😎 |
Binary Tree Preorder Traversal |
|
|
|
⭐️ |
| 145 |
😈 |
Binary Tree Postorder Traversal |
|
|
|
⭐️ |
| 146 |
😈 |
LRU Cache |
|
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|
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| 147 |
😎 |
Insertion Sort List |
|
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|
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| 148 |
😎 |
Sort List |
|
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|
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| 149 |
😈 |
Max Points on a Line |
|
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| 150 |
😎 |
Evaluate Reverse Polish Notation |
|
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| 151 |
😎 |
Reverse Words in a String |
|
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|
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| 152 |
😎 |
Maximum Product Subarray |
|
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|
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| 153 |
😎 |
Find Minimum in Rotated Sorted Array |
|
|
|
⭐️ |
| 154 |
😈 |
Find Minimum in Rotated Sorted Array II |
|
|
|
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| 155 |
😄 |
Min Stack |
|
|
|
⭐️ |
| 156 |
😎 |
🔒Binary Tree Upside Down |
|
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| 157 |
😄 |
🔒Read N Characters Given Read4 |
|
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| 158 |
😈 |
🔒Read N Characters Given Read4 II - Call multiple times |
|
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| 159 |
😈 |
🔒Longest Substring with At Most Two Distinct Characters |
|
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| 160 |
😄 |
Intersection of Two Linked Lists |
|
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|
⭐️ |
| 161 |
😎 |
🔒One Edit Distance |
|
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| 162 |
😎 |
Find Peak Element |
|
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| 163 |
😎 |
🔒Missing Ranges |
|
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| 164 |
😈 |
Maximum Gap |
|
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| 165 |
😄 |
Compare Version Numbers |
|
|
|
⭐️ |
| 166 |
😎 |
Fraction to Recurring Decimal |
|
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| 167 |
😎 |
Two Sum II - Input array is sorted |
|
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|
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| 168 |
😄 |
Excel Sheet Column Title |
|
⭐️ |
|
⭐️ |
| 169 |
😄 |
Majority Element |
|
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|
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| 170 |
😄 |
🔒Two Sum III - Data structure design |
|
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|
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| 171 |
😄 |
Excel Sheet Column Number |
⭐️ |
|
|
⭐️ |
| 172 |
😄 |
Factorial Trailing Zeroes |
⭐️ |
|
|
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| 173 |
😎 |
Binary Search Tree Iterator |
|
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|
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| 174 |
😈 |
Dungeon Game |
|
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|
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| 179 |
😎 |
Largest Number |
|
|
|
⭐️ |
| 186 |
😎 |
🔒Reverse Words in a String II |
|
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| 187 |
😎 |
Repeated DNA Sequences |
|
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|
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| 188 |
😈 |
Best Time to Buy and Sell Stock IV |
|
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| 189 |
😄 |
Rotate Array |
⭐️ |
|
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| 190 |
😄 |
Reverse Bits |
|
|
|
⭐️ |
| 191 |
😄 |
Number of 1 Bits |
|
|
|
⭐️ |
| 198 |
😄 |
House Robber |
⭐️ |
|
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| 199 |
😎 |
Binary Tree Right Side View |
|
|
|
⭐️ |
| 200 |
😎 |
Number of Islands |
⭐️ |
|
|
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| 201 |
😎 |
Bitwise AND of Numbers Range |
|
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| 202 |
😄 |
Happy Number |
⭐️ |
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|
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| 203 |
😄 |
Remove Linked List Elements |
|
|
|
⭐️ |
| 204 |
😄 |
Count Primes |
⭐️ |
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| 205 |
😄 |
Isomorphic Strings |
⭐️ |
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| 206 |
😄 |
Reverse Linked List |
|
|
|
⭐️ |
| 207 |
😎 |
Course Schedule |
|
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| 208 |
😎 |
Implement Trie (Prefix Tree) |
|
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| 209 |
😎 |
Minimum Size Subarray Sum |
|
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| 210 |
😎 |
Course Schedule II |
|
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| 211 |
😎 |
Add and Search Word - Data structure design |
|
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| 212 |
😈 |
Word Search II |
|
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| 213 |
😎 |
House Robber II |
|
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| 214 |
😈 |
Shortest Palindrome |
|
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|
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| 215 |
😎 |
Kth Largest Element in an Array |
|
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|
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| 216 |
😎 |
Combination Sum III |
|
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|
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| 217 |
😄 |
Contains Duplicate |
|
|
|
⭐️ |
| 218 |
😈 |
The Skyline Problem |
|
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| 219 |
😄 |
Contains Duplicate II |
|
|
|
⭐️ |
| 220 |
😎 |
Contains Duplicate III |
|
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|
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| 221 |
😎 |
Maximal Square |
|
|
|
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| 222 |
😎 |
Count Complete Tree Nodes |
|
|
|
⭐️ |
| 223 |
😄 |
Rectangle Area |
|
|
|
⭐️ |
| 224 |
😈 |
Basic Calculator |
|
|
|
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| 225 |
😄 |
Implement Stack using Queues |
|
|
|
⭐️ |
| 226 |
😄 |
Invert Binary Tree |
|
|
|
⭐️ |
| 227 |
😎 |
Basic Calculator II |
|
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|
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| 228 |
😎 |
Summary Ranges |
|
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|
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| 229 |
😎 |
Majority Element II |
|
|
|
⭐️ |
| 230 |
😎 |
Kth Smallest Element in a BST |
|
|
|
⭐️ |
| 231 |
😄 |
Power of Two |
|
|
|
⭐️ |
| 232 |
😄 |
Implement Queue using Stacks |
|
|
|
⭐️ |
| 233 |
😈 |
Number of Digit One |
|
|
|
⭐️ |
| 234 |
😄 |
Palindrome Linked List |
|
|
|
⭐️ |
| 235 |
😄 |
Lowest Common Ancestor of a Binary Search Tree |
|
|
|
⭐️ |
| 236 |
😎 |
Lowest Common Ancestor of a Binary Tree |
|
|
|
|
| 237 |
😄 |
Delete Node in a Linked List |
|
|
|
⭐️ |
| 238 |
😎 |
Product of Array Except Self |
|
|
|
⭐️ |
| 239 |
😈 |
Sliding Window Maximum |
|
|
|
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| 240 |
😎 |
Search a 2D Matrix II |
|
|
|
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| 241 |
😎 |
Different Ways to Add Parentheses |
|
|
|
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| 242 |
😄 |
Valid Anagram |
|
|
|
⭐️ |
| 243 |
😄 |
🔒Shortest Word Distance |
|
|
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| 244 |
😎 |
🔒Shortest Word Distance II |
|
|
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| 245 |
😎 |
🔒Shortest Word Distance III |
|
|
|
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| 246 |
😄 |
🔒Strobogrammatic Number |
|
|
|
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| 247 |
😎 |
🔒Strobogrammatic Number II |
|
|
|
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| 248 |
😈 |
🔒Strobogrammatic Number III |
|
|
|
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| 249 |
😄 |
🔒Group Shifted Strings |
|
|
|
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| 250 |
😎 |
🔒Count Univalue Subtrees |
|
|
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| 251 |
😎 |
🔒Flatten 2D Vector |
|
|
|
|
| 252 |
😄 |
🔒Meeting Rooms |
|
|
|
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| 253 |
😎 |
🔒Meeting Rooms II |
|
|
|
|
| 254 |
😎 |
🔒Factor Combinations |
|
|
|
|
| 255 |
😎 |
🔒Verify Preorder Sequence in Binary Search Tree |
|
|
|
|
| 256 |
😎 |
🔒Paint House |
|
|
|
|
| 257 |
😄 |
Binary Tree Paths |
|
|
|
⭐️ |
| 258 |
😄 |
Add Digits |
|
|
|
⭐️ |
| 259 |
😎 |
🔒3Sum Smaller |
|
|
|
|
| 260 |
😎 |
Single Number III |
|
|
|
|
| 261 |
😎 |
🔒Graph Valid Tree |
|
|
|
|
| 263 |
😄 |
Ugly Number |
|
|
|
⭐️ |
| 264 |
😎 |
Ugly Number II |
|
|
|
|
| 265 |
😈 |
🔒Paint House II |
|
|
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| 266 |
😄 |
🔒Palindrome Permutation |
|
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|
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| 267 |
😎 |
🔒Palindrome Permutation II |
|
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|
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| 268 |
😎 |
Missing Number |
|
|
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⭐️ |
| 269 |
😈 |
🔒Alien Dictionary |
|
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|
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| 270 |
😄 |
🔒Closest Binary Search Tree Value |
|
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| 271 |
😎 |
🔒Encode and Decode Strings |
|
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| 272 |
😈 |
🔒Closest Binary Search Tree Value II |
|
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| 273 |
😈 |
Integer to English Words |
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| 274 |
😎 |
H-Index |
|
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|
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| 275 |
😎 |
H-Index II |
|
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|
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| 276 |
😄 |
🔒Paint Fence |
|
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|
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| 277 |
😎 |
🔒Find the Celebrity |
|
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|
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| 278 |
😄 |
First Bad Version |
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|
|
⭐️ |
| 279 |
😎 |
Perfect Squares |
|
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|
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| 280 |
😎 |
🔒Wiggle Sort |
|
|
|
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| 281 |
😎 |
🔒Zigzag Iterator |
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| 282 |
😈 |
Expression Add Operators |
|
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|
|
| 283 |
😄 |
Move Zeroes |
|
|
|
⭐️ |
| 284 |
😎 |
Peeking Iterator |
|
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|
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| 285 |
😎 |
🔒Inorder Successor in BST |
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| 286 |
😎 |
🔒Walls and Gates |
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|
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| 287 |
😈 |
Find the Duplicate Number |
|
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|
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| 288 |
😄 |
🔒Unique Word Abbreviation |
|
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|
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| 289 |
😎 |
Game of Life |
|
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|
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| 290 |
😄 |
Word Pattern |
|
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|
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| 291 |
😈 |
🔒Word Pattern II |
|
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|
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| 292 |
😄 |
Nim Game |
|
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|
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| 293 |
😄 |
🔒Flip Game |
|
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|
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| 294 |
😎 |
🔒Flip Game II |
|
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|
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| 295 |
😈 |
Find Median from Data Stream |
|
|
|
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| 296 |
😈 |
🔒Best Meeting Point |
|
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|
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| 297 |
😈 |
Serialize and Deserialize Binary Tree |
|
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|
|
| 298 |
😎 |
🔒Binary Tree Longest Consecutive Sequence |
|
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|
|
| 299 |
😄 |
Bulls and Cows |
|
|
|
|
| 300 |
😎 |
Longest Increasing Subsequence |
|
|
|
|
| 301 |
😈 |
Remove Invalid Parentheses |
|
|
|
|
| 302 |
😈 |
🔒Smallest Rectangle Enclosing Black Pixels |
|
|
|
|
| 303 |
😄 |
Range Sum Query - Immutable |
|
|
|
⭐️ |
| 304 |
😎 |
Range Sum Query 2D - Immutable |
|
|
|
|
| 305 |
😈 |
🔒Number of Islands II |
|
|
|
|
| 306 |
😎 |
Additive Number |
|
|
|
|
| 307 |
😎 |
Range Sum Query - Mutable |
|
|
|
|
| 308 |
😈 |
🔒Range Sum Query 2D - Mutable |
|
|
|
|
| 309 |
😎 |
Best Time to Buy and Sell Stock with Cooldown |
|
|
|
|
| 310 |
😎 |
Minimum Height Trees |
|
|
|
|
| 311 |
😎 |
🔒Sparse Matrix Multiplication |
|
|
|
|
| 312 |
😈 |
Burst Balloons |
|
|
|
|
| 313 |
😎 |
Super Ugly Number |
|
|
|
|
| 314 |
😎 |
🔒Binary Tree Vertical Order Traversal |
|
|
|
|
| 315 |
😈 |
Count of Smaller Numbers After Self |
|
|
|
|
| 316 |
😈 |
Remove Duplicate Letters |
|
|
|
|
| 317 |
😈 |
🔒Shortest Distance from All Buildings |
|
|
|
|
| 318 |
😎 |
Maximum Product of Word Lengths |
|
|
|
|
| 319 |
😎 |
Bulb Switcher |
|
|
|
|
| 320 |
😎 |
🔒Generalized Abbreviation |
|
|
|
|
| 321 |
😈 |
Create Maximum Number |
|
|
|
|
| 322 |
😎 |
Coin Change |
|
|
|
|
| 323 |
😎 |
🔒Number of Connected Components in an Undirected Graph |
|
|
|
|
| 324 |
😎 |
Wiggle Sort II |
|
|
|
|
| 325 |
😎 |
🔒Maximum Size Subarray Sum Equals k |
|
|
|
|
| 326 |
😄 |
Power of Three |
|
|
|
⭐️ |
| 327 |
😈 |
Count of Range Sum |
|
|
|
|
| 328 |
😎 |
Odd Even Linked List |
|
|
|
⭐️ |
| 329 |
😈 |
Longest Increasing Path in a Matrix |
|
|
|
|
| 330 |
😈 |
Patching Array |
|
|
|
|
| 331 |
😎 |
Verify Preorder Serialization of a Binary Tree |
|
|
|
⭐️ |
| 332 |
😎 |
Reconstruct Itinerary |
|
|
|
|
| 333 |
😎 |
🔒Largest BST Subtree |
|
|
|
|
| 334 |
😎 |
Increasing Triplet Subsequence |
|
|
|
|
| 335 |
😈 |
Self Crossing |
|
|
|
|
| 336 |
😈 |
Palindrome Pairs |
|
|
|
|
| 337 |
😎 |
House Robber III |
|
|
|
|
| 338 |
😎 |
Counting Bits |
|
|
|
|
| 339 |
😄 |
🔒Nested List Weight Sum |
|
|
|
|
| 340 |
😈 |
🔒Longest Substring with At Most K Distinct Characters |
|
|
|
|
| 341 |
😎 |
Flatten Nested List Iterator |
|
|
|
|
| 342 |
😄 |
Power of Four |
|
|
|
⭐️ |
| 343 |
😎 |
Integer Break |
|
|
|
|
| 344 |
😄 |
Reverse String |
|
|
|
⭐️ |
| 345 |
😄 |
Reverse Vowels of a String |
|
|
|
⭐️ |
| 346 |
😄 |
🔒Moving Average from Data Stream |
|
|
|
|
| 347 |
😎 |
Top K Frequent Elements |
|
|
|
|
| 348 |
😎 |
🔒Design Tic-Tac-Toe |
|
|
|
|
| 349 |
😄 |
Intersection of Two Arrays |
|
|
|
⭐️ |
| 350 |
😄 |
Intersection of Two Arrays II |
|
|
|
⭐️ |
| 351 |
😎 |
🔒Android Unlock Patterns |
|
|
|
|
| 352 |
😈 |
Data Stream as Disjoint Intervals |
|
|
|
|
| 353 |
😎 |
🔒Design Snake Game |
|
|
|
|
| 354 |
😈 |
Russian Doll Envelopes |
|
|
|
|
| 355 |
😎 |
Design Twitter |
|
|
|
|
| 356 |
😎 |
🔒Line Reflection |
|
|
|
|
| 357 |
😎 |
Count Numbers with Unique Digits |
|
|
|
|
| 358 |
😈 |
🔒Rearrange String k Distance Apart |
|
|
|
|
| 359 |
😄 |
🔒Logger Rate Limiter |
|
|
|
|
| 360 |
😎 |
🔒Sort Transformed Array |
|
|
|
|
| 361 |
😎 |
🔒Bomb Enemy |
|
|
|
|
| 362 |
😎 |
🔒Design Hit Counter |
|
|
|
|
| 363 |
😈 |
Max Sum of Rectangle No Larger Than K |
|
|
|
|
| 364 |
😎 |
🔒Nested List Weight Sum II |
|
|
|
|
| 365 |
😎 |
Water and Jug Problem |
|
|
|
|
| 366 |
😎 |
🔒Find Leaves of Binary Tree |
|
|
|
|
| 367 |
😎 |
Valid Perfect Square |
|
|
|
|
| 368 |
😎 |
Largest Divisible Subset |
|
|
|
|
| 369 |
😎 |
🔒Plus One Linked List |
|
|
|
|
| 370 |
😎 |
🔒Range Addition |
|
|
|
|
| 371 |
😄 |
Sum of Two Integers |
|
|
|
|
| 372 |
😎 |
Super Pow |
|
|
|
|
| 373 |
😎 |
Find K Pairs with Smallest Sums |
|
|
|
|
| 374 |
😄 |
Guess Number Higher or Lower |
|
|
|
|
| 375 |
😎 |
Guess Number Higher or Lower II |
|
|
|
|
| 376 |
😎 |
Wiggle Subsequence |
|
|
|
|
| 377 |
😎 |
Combination Sum IV |
|
|
|
|
| 378 |
😎 |
Kth Smallest Element in a Sorted Matrix |
|
|
|
|
| 379 |
😎 |
🔒Design Phone Directory |
|
|
|
|
| 380 |
😈 |
Insert Delete GetRandom O(1) |
|
|
|
|
| 381 |
😈 |
Insert Delete GetRandom O(1) - Duplicates allowed |
|
|
|
|
| 382 |
😎 |
Linked List Random Node |
|
|
|
|
| 383 |
😄 |
Ransom Note |
|
|
|
|
| 384 |
😎 |
Shuffle an Array |
|
|
|
|
| 385 |
😎 |
Mini Parser |
|
|
|
|
| 386 |
😎 |
Lexicographical Numbers |
|
|
|
|
| 387 |
😄 |
First Unique Character in a String |
|
|
|
|
| 388 |
😎 |
Longest Absolute File Path |
|
|
|
|
| 389 |
😄 |
Find the Difference |
|
|
|
|
| 390 |
😎 |
Elimination Game |
|
|
|
|
| 391 |
😈 |
Perfect Rectangle |
|
|
|
|
| 392 |
😎 |
Is Subsequence |
|
|
|
|
| 393 |
😎 |
UTF-8 Validation |
|
|
|
|
| 394 |
😎 |
Decode String |
|
|
|
|
| 395 |
😎 |
Longest Substring with At Least K Repeating Characters |
|
|
|
|
| 396 |
😄 |
Rotate Function |
|
|
|
|
| 397 |
😄 |
Integer Replacement |
|
|
|
|
| 398 |
😎 |
Random Pick Index |
|
|
|
|
| 399 |
😎 |
Evaluate Division |
|
|
|
|