


92 Questions
0
votes
1
answer
726
views
[closed] What are challenge problems?
10 Sep '15, 11:00
893●2●11●35
0
votes
3
answers
930
views
Some doubts in longest walk in graph
03 Sep '15, 14:09
150●3
0
votes
2
answers
489
views
Please help find an error in my code
28 Aug '15, 23:54
3.7k●24●81
0
votes
1
answer
737
views
[closed] Need help in DP approach
27 Aug '15, 10:29
893●2●11●35
0
votes
0
answers
1.2k
views
Doubt in treap
23 Aug '15, 19:19
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0
votes
4
answers
907
views
[closed] Where is the submission link for this problem?
22 Aug '15, 20:24
893●2●11●35
0
votes
1
answer
366
views
[closed] Need help understanding editorial
22 Aug '15, 09:09
893●2●11●35
0
votes
1
answer
310
views
need help with CSTRIKE5
22 Aug '15, 03:20
1.8k●9
0
votes
2
answers
2.6k
views
How to do range update and range query simultaneously?
14 Aug '15, 23:10
1.2k●12
0
votes
4
answers
2.3k
views
Efficient way to find number of divisors for problem D1
13 Aug '15, 18:08
1.1k●12●29
0
votes
2
answers
681
views
[closed] Cannot find mistake, please help
12 Aug '15, 13:21
893●2●11●35
0
votes
4
answers
707
views
[closed] COINSTLE why
30 Jul '15, 12:48
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0
votes
1
answer
1.1k
views
WA in spoj PRATA
25 Jul '15, 18:29
893●2●11●35
0
votes
2
answers
525
views
where have I made mistake?
24 Jul '15, 15:09
149●3
0
votes
2
answers
566
views
Mistake in GCD
18 Jul '15, 23:01
26●2
95 Answers
65 Votes
59  6 
50 Tags
editorial
× 28 dynamicprogramming × 15 easy × 13 graph × 12 segmenttree × 12 tle × 10 easymedium × 10 wa × 10 spoj × 9 bigo2015 × 7 
simple
× 7 c × 7 prime1 × 6 implementation × 5 optimization × 5 modulo × 5 frmq × 5 sorting × 5 longcontest × 5 c++ × 5 
bit
× 5 ltime20 × 4 bigo1501 × 4 oct15 × 4 d1 × 4 topologicalsort × 4 cakewalk × 4 set × 4 codigo2015 × 4 medium × 4 
cstrike1
× 4 tutorial × 4 rating × 4 coins × 4 numbertheory × 4 sigsegv × 4 hackerrank × 4 palin × 4 codechef × 3 sept15 × 3 
marblegf
× 3 tree × 3 help × 3 longestwalk × 3 newbie × 3 time × 3 lightse × 3 sieve × 3 greedy × 3 segment_tree × 3 