wzc1995

Purdue University


访客:289039


# 标题 难度 阅读
10 Regular Expression Matching 困难 1365
13 Roman to Integer 简单 1034
14 Longest Common Prefix 简单 1295
15 3Sum 中等 1517
16 3Sum Closest 中等 978
17 Letter Combinations of a Phone Number 中等 1649
18 4Sum 中等 935
19 Remove Nth Node From End of List 中等 1458
20 Valid Parentheses 简单 1022
21 Merge Two Sorted Lists 简单 1218
22 Generate Parentheses 中等 1329
23 Merge k Sorted Lists 困难 1104
24 Swap Nodes in Pairs 中等 1120
25 Reverse Nodes in k-Group 困难 814
26 Remove Duplicates from Sorted Array 简单 983
27 Remove Element 简单 730
28 Implement strStr() 简单 908
29 Divide Two Integers 中等 975
30 Substring with Concatenation of All Words 困难 854
31 Next Permutation 中等 1121