ID题目难度完成1 Two Sum22 Add Two Numbers33 Longest Substring Without Repeating Characters34 Median of Two Sorted Arrays55 Longest Palindromic Substring46 ZigZag Conversion3完成7 Reverse Integer2完成8 String to Integer (atoi)29 Palindrome Number210 Regular Expression Matching511 Container With Most Water3完成12 Integer to Roman3完成13 Roman to Integer2完成14 Longest Common Prefix215 3Sum316 3Sum Closest317 Letter Combinations of a Phone Number318 4Sum319 Remove Nth Node From End of List220 Valid Parentheses221 Merge Two Sorted Lists222 Generate Parentheses323 Merge k Sorted Lists324 Swap Nodes in Pairs225 Reverse Nodes in k-Group426 Remove Duplicates from Sorted Array127 Remove Element128 Implement strStr()429 Divide Two Integers430 Substring with Concatenation of All Words331 Next Permutation532 Longest Valid Parentheses433 Search in Rotated Sorted Array434 Search for a Range435 Search Insert Position236 Valid Sudoku237 Sudoku Solver438 Count and Say239 Combination Sum340 Combination Sum II441 First Missing Positive542 Trapping Rain Water443 Multiply Strings444 Wildcard Matching545 Jump Game II446 Permutations347 Permutations II448 Rotate Image449 Anagrams3完成50 Pow(x, n)351 N-Queens452 N-Queens II453 Maximum Subarray354 Spiral Matrix455 Jump Game356 Merge Intervals457 Insert Interval458 Length of Last Word159 Spiral Matrix II360 Permutation Sequence561 Rotate List362 Unique Paths263 Unique Paths II364 Minimum Path Sum365 Valid Number266 Plus One167 Add Binary268 Text Justification469 Sqrt(x)470 Climbing Stairs271 Simplify Path372 Edit Distance473 Set Matrix Zeroes374 Search a 2D Matrix375 Sort Colors476 Minimum Window Substring477 Combinations378 Subsets379 Word Search380 Remove Duplicates from Sorted Array II281 Search in Rotated Sorted Arr...
