wzc1995

Purdue University


访客:283484


# 标题 难度 阅读
10 Regular Expression Matching 困难 1342
13 Roman to Integer 简单 1020
14 Longest Common Prefix 简单 1285
15 3Sum 中等 1502
16 3Sum Closest 中等 967
17 Letter Combinations of a Phone Number 中等 1638
18 4Sum 中等 926
19 Remove Nth Node From End of List 中等 1446
20 Valid Parentheses 简单 1012
21 Merge Two Sorted Lists 简单 1208
22 Generate Parentheses 中等 1318
23 Merge k Sorted Lists 困难 1096
24 Swap Nodes in Pairs 中等 1113
25 Reverse Nodes in k-Group 困难 806
26 Remove Duplicates from Sorted Array 简单 973
27 Remove Element 简单 723
28 Implement strStr() 简单 895
29 Divide Two Integers 中等 972
30 Substring with Concatenation of All Words 困难 847
31 Next Permutation 中等 1115