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379 questions

468 answers

933 comments

744 users

Hot questions

0 votes
1 answer 628 views
my code can not pass this longest case
asked Dec 30, 2013 in Surrounded Regions by 999 (150 points)
0 votes
0 answers 337 views
Run time error on empty input?
asked 4 days ago in Surrounded Regions by xing (180 points)
+5 votes
4 answers 892 views
Constant space solution
asked Nov 26, 2013 in Single Number II by saadtaame (510 points)
0 votes
0 answers 141 views
Why my solution is Time Limit Exceeded
asked 2 days ago in Surrounded Regions by keke (120 points)
0 votes
1 answer 5 views
why "a" return true and "1a2" return false
asked 1 day ago in Valid Palindrome by lolhaha (130 points)
0 votes
0 answers 1 view
Shall I take special action for the loop of two noes?
asked 19 minutes ago in Linked List Cycle II by sohochaser (140 points)
0 votes
0 answers 2 views
O(1) time for both get and set. Overall O(n) memory!
asked 1 hour ago in LRU Cache by potpie (160 points)
0 votes
0 answers 2 views
Can we use Java String matches() function?
asked 2 hours ago in Regular Expression Matching by yangzai (220 points)
0 votes
0 answers 5 views
Run time error for one test case.
asked 9 hours ago in Sort List by serial007 (120 points)
0 votes
0 answers 4 views
what I can do to solve the TLE problem?
asked 10 hours ago in N-Queens II by fyzal (140 points)
0 votes
0 answers 3 views
Expected output when divisor is 0?
asked 10 hours ago in Divide Two Integers by atul (120 points)
0 votes
5 answers 221 views
Who can show me a DP solution. Thanks.
asked Dec 22, 2013 in Word Break by momoit (120 points)
0 votes
0 answers 5 views
I don't understand why the expected output is what it is
asked 13 hours ago in LRU Cache by yangzai (220 points)
0 votes
0 answers 13 views
Last executed input: [(0,0),(1,1),(1,-1)]
asked 18 hours ago in Max Points on a Line by aerzitudou (120 points)
+1 vote
0 answers 24 views
Which line representation is better?
asked 2 days ago in Max Points on a Line by zzzdevil (130 points)
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