


155 Questions
0
votes
1
answer
71
views
Longest palindromic substring in the given string?
14 Sep, 21:45
353●7
0
votes
1
answer
76
views
How to solve Number of jumps for a thief to cross walls problem?
13 Sep, 14:40
56●3
0
votes
5
answers
1.2k
views
what could be the most optimum way to check balanced parenthesis?
01 Sep, 11:38
1●1
0
votes
1
answer
73
views
Problem in equals() and hashCode() method in java.
27 Aug, 16:14
4.4k●4●9
0
votes
2
answers
112
views
Problem with lazy propagation in segment tree?
27 Aug, 10:56
202●8
1
vote
1
answer
56
views
Runtime error in Finding max xor subarray using trie?
26 Aug, 13:38
4.4k●4●9
0
votes
1
answer
41
views
How trie as 2d array work?
26 Aug, 12:33
651●5●30
0
votes
2
answers
70
views
Serializing and deserializing the binary tree?
23 Aug, 22:40
651●5●30
0
votes
3
answers
106
views
how to solve this problem based on graph and counting from hackerearth?
21 Aug, 04:58
4.4k●4●9
0
votes
2
answers
425
views
Problem in solving hackerearth's balance brackets problem
18 Aug, 13:23
8.9k●2●12
0
votes
1
answer
212
views
Problem in solving this problem based on bits and array?
09 Aug, 09:34
968●4
0
votes
3
answers
108
views
Problem in understanding chineese remainder theorem?
09 Aug, 01:02
695●6
1
votes
3
answers
596
views
Problem in finding size of largest subset with given xor?
08 Aug, 23:34
1.0k●1●9
0
votes
4
answers
309
views
Finding the minimum sub array sum with at most k swaps from hackerearth.
05 Aug, 13:06
8.9k●2●12
0
votes
1
answer
433
views
what is the glitch in "way out" editorial ?
04 Aug, 15:19
11●1
31 Answers
42 Votes
32  10 
50 Tags
algorithm
× 201 datastructure × 84 array × 70 dynamicprogramming × 60 graph × 54 editorial × 51 optimization × 46 codechef × 40 java × 34 modulo × 34 
numbertheory
× 33 xor × 22 dps × 21 shortestpath × 20 combinatorics × 19 admin × 18 hashing × 17 sieve × 17 easy × 16 query × 15 
string
× 15 sorting × 15 dijkstra × 14 adhoc × 14 c++ × 13 combinations × 12 greedy × 12 ratings × 12 minimum × 11 strings × 11 
maximumproduct
× 11 admins × 11 stack × 11 snckql17 × 10 bit × 10 subarray × 10 decembercookoff × 9 factors × 9 bfs × 9 c × 9 
parentheses
× 9 search × 9 stl × 9 ide × 9 heap × 8 memory × 8 binarysearch × 8 simplemath × 8 trie × 8 eulertour × 7 