readme is updated by readme generator automatically and periodically.
Problems Counts: 47
| ID | TITLE | LINK | DIFFICULTY |
|---|---|---|---|
| 1 | Two Sum | SOLUTION && LEETCODE | EASY |
| 2 | Add Two Numbers | SOLUTION && LEETCODE | MEDIUM |
| 3 | Longest Substring Without Repeating Characters | SOLUTION && LEETCODE | MEDIUM |
| 6 | ZigZag Conversion | SOLUTION && LEETCODE | MEDIUM |
| 7 | Reverse Integer | SOLUTION && LEETCODE | EASY |
| 8 | String to Integer (atoi) | SOLUTION && LEETCODE | MEDIUM |
| 9 | Palindrome Number | SOLUTION && LEETCODE | EASY |
| 11 | Container With Most Water | SOLUTION && LEETCODE | MEDIUM |
| 12 | Integer to Roman | SOLUTION && LEETCODE | MEDIUM |
| 15 | 3Sum | SOLUTION && LEETCODE | MEDIUM |
| 16 | 3Sum Closest | SOLUTION && LEETCODE | MEDIUM |
| 16 | Remove Duplicates from Sorted Array | SOLUTION && LEETCODE | EASY |
| 17 | Letter Combinations of a Phone Number | SOLUTION && LEETCODE | MEDIUM |
| 20 | Valid Parentheses | SOLUTION && LEETCODE | EASY |
| 22 | Generate Parentheses | SOLUTION && LEETCODE | MEDIUM |
| 27 | Remove Element | SOLUTION && LEETCODE | EASY |
| 28 | Implement strStr() | SOLUTION && LEETCODE | EASY |
| 29 | Divide Two Integers | SOLUTION && LEETCODE | MEDIUM |
| 33 | Search in Rotated Sorted Array | SOLUTION && LEETCODE | MEDIUM |
| 36 | Valid Sudoku | SOLUTION && LEETCODE | MEDIUM |
| 37 | Sudoku Solver | SOLUTION && LEETCODE | HARD |
| 39 | Combination Sum | SOLUTION && LEETCODE | MEDIUM |
| 46 | Permutations | SOLUTION && LEETCODE | MEDIUM |
| 75 | Sort Colors | SOLUTION && LEETCODE | MEDIUM |
| 100 | Same Tree | SOLUTION && LEETCODE | EASY |
| 102 | Binary Tree Level Order Traversal | SOLUTION && LEETCODE | MEDIUM |
| 104 | Maximum Depth of Binary Tree | SOLUTION && LEETCODE | EASY |
| 226 | Invert Binary Tree | SOLUTION && LEETCODE | EASY |
| 292 | Nim Game | SOLUTION && LEETCODE | EASY |
| 405 | Convert a Number to Hexadecimal | SOLUTION && LEETCODE | EASY |
| 461 | Hamming Distance | SOLUTION && LEETCODE | EASY |
| 561 | Array Partition I | SOLUTION && LEETCODE | EASY |
| 595 | Big Countries | SOLUTION && LEETCODE | EASY |
| 617 | Merge Two Binary Trees | SOLUTION && LEETCODE | EASY |
| 657 | Robot Return to Origin | SOLUTION && LEETCODE | EASY |
| 709 | To Lower Case | SOLUTION && LEETCODE | EASY |
| 728 | Self Dividing Numbers | SOLUTION && LEETCODE | EASY |
| 771 | Jewels and Stones | SOLUTION && LEETCODE | EASY |
| 804 | Unique Morse Code Words | SOLUTION && LEETCODE | EASY |
| 832 | Flipping an Image | SOLUTION && LEETCODE | EASY |
| 852 | Peak Index in a Mountain Array | SOLUTION && LEETCODE | EASY |
| 905 | Sort Array By Parity | SOLUTION && LEETCODE | EASY |
| 922 | Sort Array By Parity II | SOLUTION && LEETCODE | EASY |
| 929 | Unique Email Addresses | SOLUTION && LEETCODE | EASY |
| 933 | Number of Recent Calls | SOLUTION && LEETCODE | EASY |
| 942 | DI String Match | SOLUTION && LEETCODE | EASY |
| 1357 | Apply Discount Every n Orders | SOLUTION && LEETCODE | MEDIUM |