wzc1995

Purdue University


访客:150030


# 标题 难度 阅读
10 Regular Expression Matching 困难 799
13 Roman to Integer 简单 748
14 Longest Common Prefix 简单 944
15 3Sum 中等 1032
16 3Sum Closest 中等 664
17 Letter Combinations of a Phone Number 中等 1191
18 4Sum 中等 704
19 Remove Nth Node From End of List 中等 1090
20 Valid Parentheses 简单 740
21 Merge Two Sorted Lists 简单 860
22 Generate Parentheses 中等 876
23 Merge k Sorted Lists 困难 795
24 Swap Nodes in Pairs 中等 799
25 Reverse Nodes in k-Group 困难 607
26 Remove Duplicates from Sorted Array 简单 690
27 Remove Element 简单 525
28 Implement strStr() 简单 578
29 Divide Two Integers 中等 662
30 Substring with Concatenation of All Words 困难 628
31 Next Permutation 中等 807