wzc1995

Purdue University


访客:249709


# 标题 难度 阅读
10 Regular Expression Matching 困难 1225
13 Roman to Integer 简单 965
14 Longest Common Prefix 简单 1206
15 3Sum 中等 1397
16 3Sum Closest 中等 916
17 Letter Combinations of a Phone Number 中等 1565
18 4Sum 中等 879
19 Remove Nth Node From End of List 中等 1378
20 Valid Parentheses 简单 956
21 Merge Two Sorted Lists 简单 1123
22 Generate Parentheses 中等 1211
23 Merge k Sorted Lists 困难 1027
24 Swap Nodes in Pairs 中等 1040
25 Reverse Nodes in k-Group 困难 766
26 Remove Duplicates from Sorted Array 简单 928
27 Remove Element 简单 683
28 Implement strStr() 简单 816
29 Divide Two Integers 中等 888
30 Substring with Concatenation of All Words 困难 793
31 Next Permutation 中等 1041