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623 questions

704 answers

1,158 comments

1,190 users

Hot questions

0 votes
3 answers 646 views
wrong answer by the judgement, but correct on my own IDE...
asked Feb 7 in Surrounded Regions by niaobulaxi (200 points)
+5 votes
5 answers 1,889 views
Constant space solution
asked Nov 26, 2013 in Single Number II by saadtaame (530 points)
0 votes
2 answers 130 views
This problem has a O(n) solution?
asked 5 days ago in Longest Consecutive Sequence by likebrain (120 points)
0 votes
1 answer 22 views
Get wrong answers! Can someone point me the mistakes in my code ?
asked 21 hours ago in Path Sum by yuzhen.liu.96 (160 points)
0 votes
3 answers 117 views
Can anyone tell me what this problem means
asked Feb 8 in Remove Element by markshao (140 points)
0 votes
0 answers 1 view
What's the return value for Python
asked 41 minutes ago in Implement strStr() by clwen (130 points)
0 votes
1 answer 15 views
if exceeding the "int" limit, how to solve it?
asked 1 day ago in Add Two Numbers by [email protected] (120 points)
+1 vote
4 answers 732 views
This problem O(n^2) is ok?
asked Jan 15 in Two Sum by yomin (130 points)
0 votes
0 answers 10 views
Python Implementation got TLE, while Java one passed
asked 22 hours ago in LRU Cache by alexdiaochina (120 points)
0 votes
0 answers 79 views
How would you calculate the time complexity of this problem?
asked 2 days ago in Combination Sum by xiaochenchen (120 points)
0 votes
1 answer 32 views
Easy solutions for suggestions.
asked 3 days ago in Climbing Stairs by tangxukai (150 points)
0 votes
0 answers 13 views
Got TLE by DP approach
asked 1 day ago in Longest Palindromic Substring by letrungkien7 (140 points)
0 votes
0 answers 15 views
Why does my code exceed complexity limit?
asked 1 day ago in 3Sum by YuanZ (120 points)
0 votes
1 answer 17 views
the online judge has err
asked 2 days ago in Combination Sum by domofeng (190 points)
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