September Cook-Off 2014, ACM-ICPC Warm up
Subarray GCD, Sherlock and the Grid
October Cook-Off 2014
The Army, Walk on the Axis
September Challenge 2014
Factorisation, Chef and Rainbow Array - 2, Chef and Left-Right, Chef and sequence, Fun with Rotation
November Challenge 2014
Chef and Segment Game, Chef and Words, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome
January Challenge 2015
Gcd Queries, One Dimensional Kingdoms, Chef and Stones, Sereja and Votes
February Challenge 2015
Chef and Chain, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Chef and Equality
July Cook-Off 2015
Maximize Disjoint Pair Sum, Cops and the Thief Devu
November Cook-Off 2015
Sereja and Line, Sereja and Array and Subtracting
August Cook-Off 2016
Tweedle-Dee and Tweedle-Dum
September Cook-Off 2016
Lazy Jem, The Lost Arithmetic Sequences
Bangladesh