wzc1995

Purdue University


访客:340374


# 标题 难度 阅读
10 Regular Expression Matching 困难 1585
13 Roman to Integer 简单 1158
14 Longest Common Prefix 简单 1430
15 3Sum 中等 1696
16 3Sum Closest 中等 1055
17 Letter Combinations of a Phone Number 中等 1790
18 4Sum 中等 1017
19 Remove Nth Node From End of List 中等 1589
20 Valid Parentheses 简单 1116
21 Merge Two Sorted Lists 简单 1339
22 Generate Parentheses 中等 1527
23 Merge k Sorted Lists 困难 1213
24 Swap Nodes in Pairs 中等 1229
25 Reverse Nodes in k-Group 困难 914
26 Remove Duplicates from Sorted Array 简单 1071
27 Remove Element 简单 780
28 Implement strStr() 简单 1030
29 Divide Two Integers 中等 1069
30 Substring with Concatenation of All Words 困难 936
31 Next Permutation 中等 1242