


7 Questions
6
votes
5
answers
2.1k
views
for begineers editorial provided by codechef not usefull
03 Jan '17, 21:09
2.8k●1●4●19
0
votes
3
answers
1.1k
views
how to find sum%(10^9+7) in a given range of array efficiently
22 Jul '16, 22:03
121●5
0
votes
0
answers
416
views
for begineers i m about to prepare vedios for july long challenge
20 Jul '16, 15:05
93●9
2
votes
8
answers
1.2k
views
plz explain JUNE LONG CHALLENGE CHSQARR by sparse table mathod?
25 Jun '16, 23:47
221●2●13
0
votes
0
answers
464
views
solution could not be submitted for chef and amazingness of numbers in may16 long challenge
16 May '16, 09:27
19.8k●350●498●541
0
votes
3
answers
947
views
can anyone explain logic to solve this??
01 Nov '15, 11:46
208●6
1
vote
6
answers
1.8k
views
BUG IN RATING SYSTEM SEPT15 LONG CHALLENGE
21 Sep '15, 11:07
93●9
12 Answers
15 Votes
15  0 
30 Tags
editorial
× 15 bug × 13 #editorial × 6 bitwise × 4 rangequeries × 3 medium × 3 fibq × 2 segmenttree × 2 fibonacci × 2 april16 × 2 
maths
× 1 geometry × 1 trie × 1 xor × 1 june16 × 1 partialsums × 1 easy × 1 june15 × 1 chsqarr × 1 beginner × 1 
gcd
× 1 frndmting × 1 bgqrs × 1 ratings × 1 chasethered × 1 dynamicprogramming × 1 submission × 1 sept15 × 1 probability × 1 codeforces × 1 