| 1 |
Two Sum |
JAVA |
EASY |
| 2 |
Add Two Numbers |
JAVA |
Medium |
| 7 |
Reverse Integer |
JAVA |
EASY |
| 9 |
Palindrome Number |
JAVA |
EASY |
| 13 |
Roman to Integer |
JAVA |
EASY |
| 19 |
Remove Nth Node From End of List |
JAVA |
Medium |
| 20 |
Valid Parentheses |
JAVA |
EASY |
| 21 |
Merge Two Sorted Lists |
JAVA |
EASY |
| 26 |
Remove Duplicates from Sorted Array |
JAVA |
EASY |
| 27 |
Remove Element |
JAVA |
EASY |
| 33 |
Search in Rotated Sorted Array |
JAVA |
Medium |
| 34 |
Find First and Last Position of Element in Sorted Array |
JAVA |
Medium |
| 35 |
Search Insert Position |
JAVA |
EASY |
| 58 |
Length of Last Word |
JAVA |
EASY |
| 61 |
Rotate List |
JAVA |
Medium |
| 66 |
Plus One |
JAVA |
EASY |
| 70 |
Climbing Stairs |
JAVA |
EASY |
| 81 |
Search in Rotated Sorted Array II |
JAVA |
Medium |
| 83 |
Remove Duplicates from Sorted List |
JAVA |
EASY |
| 88 |
Merge Sorted Array |
JAVA |
EASY |
| 100 |
Same Tree |
JAVA |
EASY |
| 112 |
Path Sum |
JAVA |
EASY |
| 141 |
Linked List Cycle |
JAVA |
EASY |
| 160 |
Intersection of Two Linked Lists |
JAVA |
EASY |
| 167 |
Two Sum II - Input array is sorted |
JAVA |
EASY |
| 182 |
Duplicate Emails |
JAVA |
EASY |
| 183 |
Customers Who Never Order |
JAVA |
EASY |
| 189 |
Rotate Array |
JAVA |
EASY |
| 203 |
Remove Linked List Elements |
JAVA |
EASY |
| 204 |
Count Primes |
JAVA |
EASY |
| 206 |
Reverse Linked List |
JAVA |
EASY |
| 217 |
Contains Duplicate |
JAVA |
EASY |
| 237 |
Delete Node in a Linked List |
JAVA |
EASY |
| 263 |
Ugly Number |
JAVA |
EASY |
| 264 |
Ugly Number II |
JAVA |
Medium |
| 292 |
Nim Game |
JAVA |
EASY |
| 344 |
Reverse String |
JAVA |
EASY |
| 349 |
Intersection of Two Arrays |
JAVA |
EASY |
| 350 |
Intersection of Two Arrays II |
JAVA |
EASY |
| 448 |
Find All Numbers Disappeared in an Array |
JAVA |
EASY |
| 509 |
Fibonacci Number |
JAVA |
EASY |
| 535 |
Encode and Decode TinyURL |
JAVA |
Medium |
| 541 |
Reverse String II |
JAVA |
EASY |
| 682 |
Baseball Game |
JAVA |
EASY |
| 704 |
Binary Search |
JAVA |
EASY |
| 709 |
To Lower Case |
JAVA |
EASY |
| 771 |
Jewels and Stones |
JAVA |
EASY |
| 804 |
Unique Morse Code Words |
JAVA |
EASY |
| 844 |
Backspace String Compare |
JAVA |
EASY |
| 876 |
Middle of the Linked List |
JAVA |
EASY |
| 905 |
Sort Array By Parity |
JAVA |
EASY |
| 922 |
Sort Array By Parity II |
JAVA |
EASY |
| 929 |
Unique Email Addresses |
JAVA |
EASY |
| 942 |
DI String Match |
JAVA |
EASY |
| 961 |
N-Repeated Element in Size 2N Array |
JAVA |
EASY |
| 976 |
Largest Perimeter Triangle |
JAVA |
EASY |
| 977 |
Squares of a Sorted Array |
JAVA |
EASY |
| 989 |
Add to Array-Form of Integer |
JAVA |
EASY |