leetcode LeetCode Problems # Title Solution Difficulty 1 Two Sum C, GO 2 Add Two Numbers C, CPP, GO, Rust 3 Longest Substring Without Repeating Characters C, GO 4 Median of Two Sorted Arrays C, GO 5 Longest Palindromic Substring C, GO 6 ZigZag Conversion C 7 Reverse Integer C 8 String to Integer (atoi) C 9 Palindrome Number C 10 Regular Expression Matching C 11 Container With Most Water C 12 Integer to Roman C 13 Roman to Integer C 14 Longest Common Prefix C 15 3Sum GO 19 Remove Nth Node From End of List C, GO 21 Merge Two Sorted Lists C, GO, Rust 23 Merge k Sorted Lists C 24 Swap Nodes in Pairs C 26 Remove Duplicates from Sorted Array C 27 Remove Element C 28 Implement strStr C, GO 33 Search in Rotated Sorted Array C 34 Search for a Range C 35 Search Insert Position C 40 Combination Sum II GO 42 Trapping Rain Water C 44 Wildcard Matching C, GO 45 Jump Game II C, CPP, GO 53 Maximum Subarray GO 55 Jump Game C, GO 61 Rotate List GO 66 Plus One C 67 Add Binary C 72 Edit Distance C, GO 76 Minimum Window Substring GO 82 Remove Duplicates from Sorted List II C 83 Remove Duplicates from Sorted List C 86 Partition List GO 92 Reverse Linked List II GO 100 Same Tree C 112 Path Sum C 125 Valid Palindrome C, GO, Rust 141 Linked List Cycle C, GO 142 Linked List Cycle II C, GO 146 LRU Cache CPP 147 Insertion Sort List C 148 Sort List C, Go, Rust 150 Evaluate Reverse Polish Notation CPP 153 Find Minimum in Rotated Sorted Array C 154 Find Minimum in Rotated Sorted Array II C 167 Two Sum II - Input array is sorted C 205 Isomorphic Strings Go, Rust 206 Reverse Linked List C 209 Minimum Size Subarray Sum C, CPP, GO 215 Kth Largest Element in an Array CPP, GO 217 Contains Duplicate C 224 Basic Calculator CPP 237 Delete Node in a Linked List GO 238 Product of Array Except Self C 239 Sliding Window Maximum C, CPP, GO 290 Word Pattern CPP, GO, Rust 300 Longest Increasing Subsequence C, GO 316 Remove Duplicate Letters C, CPP, GO 344 Reverse String C 345 Reverse Vowels of a String C 347 Top K Frequent Elements CPP, GO 392 Is Subsequence C, GO, Rust 414 Third Maximum Number CPP, GO 415 Add Strings C 434 Number of Segments in a String C, GO 460 LFU Cache GO 516 Longest Palindromic Subsequence C, GO 679 24 Game GO 989 Add to Array-Form of Integer C 1031 Maximum Sum of Two Non-Overlapping Subarrays GO 1143 Longest Common Subsequence C, GO