


202 Questions
0
votes
2
answers
170
views
Serializing and deserializing the binary tree?
23 Aug '17, 22:40
683●11●49
0
votes
3
answers
449
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how to solve this problem based on graph and counting from hackerearth?
21 Aug '17, 04:58
6.6k●7●17
0
votes
2
answers
904
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Problem in solving hackerearth's balance brackets problem
18 Aug '17, 13:23
14.2k●1●13●49
0
votes
1
answer
517
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Problem in solving this problem based on bits and array?
09 Aug '17, 09:34
1.0k●5
0
votes
3
answers
595
views
Problem in understanding chineese remainder theorem?
09 Aug '17, 01:02
755●6
0
votes
4
answers
907
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Finding the minimum sub array sum with at most k swaps from hackerearth.
05 Aug '17, 13:06
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0
votes
1
answer
632
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what is the glitch in "way out" editorial ?
04 Aug '17, 15:19
23●2
0
votes
0
answers
290
views
Help in solving "Counting permutations" problem from hackerearth?
23 Jul '17, 09:26
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0
votes
1
answer
723
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Doubt in SNAKEEAT editorial from snackdown?
14 Jun '17, 12:43
1.8k●1●5●15
0
votes
3
answers
452
views
Regarding execution time limit in array based questions.
28 May '17, 20:06
419●10
0
votes
1
answer
326
views
Wrong answer in samesnak?
25 May '17, 18:49
14.2k●1●13●49
0
votes
6
answers
990
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Help needed for solving this problem based on graph
16 May '17, 08:29
683●11●49
0
votes
2
answers
1.8k
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[closed] Topcoder Bad Neighbour dp based problem
06 May '17, 16:17
14.2k●1●13●49
2
votes
3
answers
1.9k
views
count all pairs with given XOR x in given array.
30 Apr '17, 19:03
0
votes
2
answers
708
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Trapping the rain water?
12 Apr '17, 06:30
683●11●49
36 Answers
58 Votes
48  10 
50 Tags
algorithm
× 254 datastructure × 87 array × 82 graph × 80 dps × 60 dynamicprogramming × 60 optimization × 54 editorial × 51 segmenttree × 43 codechef × 43 
modulo
× 41 numbertheory × 38 java × 35 rangequeries × 30 xor × 30 shortestpath × 21 combinatorics × 19 heap × 19 tle × 19 admin × 18 
dijkstra
× 17 sieve × 17 hashing × 17 string × 16 easy × 16 sorting × 15 dfs × 15 query × 15 spoj × 15 nzec × 14 
greedy
× 14 adhoc × 14 tree × 14 hackerearth × 14 minimum × 13 ratings × 13 c++ × 13 parentheses × 12 combinations × 12 stack × 12 
admins
× 11 strings × 11 maximumproduct × 11 subarray × 11 dsu × 11 binarysearch × 10 bit × 10 snckql17 × 10 range × 9 ide × 9 