wzc1995

Purdue University


访客:103429


# 标题 难度 阅读
10 Regular Expression Matching 困难 567
13 Roman to Integer 简单 584
14 Longest Common Prefix 简单 764
15 3Sum 中等 778
16 3Sum Closest 中等 524
17 Letter Combinations of a Phone Number 中等 827
18 4Sum 中等 553
19 Remove Nth Node From End of List 中等 742
20 Valid Parentheses 简单 600
21 Merge Two Sorted Lists 简单 681
22 Generate Parentheses 中等 666
23 Merge k Sorted Lists 困难 634
24 Swap Nodes in Pairs 中等 521
25 Reverse Nodes in k-Group 困难 487
26 Remove Duplicates from Sorted Array 简单 497
27 Remove Element 简单 432
28 Implement strStr() 简单 445
29 Divide Two Integers 中等 526
30 Substring with Concatenation of All Words 困难 500
31 Next Permutation 中等 638