LeetCode

LeetCode solutions in C++ 11 and Python3.

|NO.|Title|Solution|Note|Difficulty|Tag| |---|-----|--------|----|----------|---| |0|Two Sum|C++ Python|Note|Easy|Mapping| |1|Add Two Numbers|C++ Python|Note|Medium|LinkedList| |2|Longest Substring Without Repeating Characters|C++ Python|Note|Medium|Mapping| |3|Median of Two Sorted Arrays|C++ Python|Note|Hard| |4|Longest Palindromic Substring|C++ Python|Note|Medium| |5|ZigZag Conversion|C++ Python|Note|Medium| |6|Reverse Integer|C++ Python|Note|Easy| |7|String to Integer (atoi)|C++ Python|Note|Medium| |8|Palindrome Number|C++ Python|Note|Easy| |9|Regular Expression Matching|C++ Python|Note|Hard| |10|Container With Most Water|C++ Python|Note|Medium| |11|Integer to Roman|C++ Python|Note|Medium| |12|Roman to Integer|C++ Python|Note|Easy| |13|Longest Common Prefix|C++ Python|Note|Easy| |14|3Sum|C++ Python|Note|Medium| |15|3Sum Closest|C++ Python|Note|Medium| |16|Letter Combinations of a Phone Number|C++ Python|Note|Medium| |17|4Sum|C++ Python|Note|Medium| |18|Remove Nth Node From End of List|C++ Python|Note|Medium| |19|Valid Parentheses|C++ Python|Note|Easy| |20|Merge Two Sorted Lists|C++ Python|Note|Easy| |21|Generate Parentheses|C++ Python|Note|Medium| |22|Merge k Sorted Lists|C++ Python|Note|Hard| |23|Swap Nodes in Pairs|C++ Python|Note|Medium| |24|Reverse Nodes in k-Group|C++ Python|Note|Hard| |25|Remove Duplicates from Sorted Array|C++ Python|Note|Easy| |26|Remove Element|C++ Python|Note|Easy| |27|Implement strStr()|C++ Python|Note|Easy| |28|Divide Two Integers|C++ Python|Note|Medium| |29|Substring with Concatenation of All Words|C++ Python|Note|Hard| |30|Next Permutation|C++ Python|Note|Medium| |31|Longest Valid Parentheses|C++ Python|Note|Hard| |32|Search in Rotated Sorted Array|C++ Python|Note|Medium| |33|Search for a Range|C++ Python|Note|Medium| |34|Search Insert Position|C++ Python|Note|Easy| |35|Valid Sudoku|C++ Python|Note|Medium| |36|Sudoku Solver|C++ Python|Note|Hard| |37|Count and Say|C++ Python|Note|Easy| |38|Combination Sum|C++ Python|Note|Medium| |39|Combination Sum II|C++ Python|Note|Medium| |40|First Missing Positive|C++ Python|Note|Hard| |41|Trapping Rain Water|C++ Python|[Note](041.