September Cook-Off 2014, ACM-ICPC Warm up
Subarray GCD, Sherlock and the Grid
August Challenge 2014
Chef and Reversing, The Leaking Robot, Cleaning Tables, Chef and Gift
October Challenge 2014
Magical Girl and Colored Liquid Potions, Chef and Ground
November Challenge 2014
Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome
September Lunchtime 2014
Chef and easy problem, Chef and easy problem 2
January Challenge 2015
Gcd Queries, Sereja and Votes, Chef and Stones, One Dimensional Kingdoms
February Challenge 2015
Chef and Chain, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Chef and Equality
April Challenge 2015
Inversion sorting, Chef and Piano Scales, Broken Telephone, Chef and Interview, Count Sequences
May Cook-Off 2015
Devu and friendship testing, Devu and decorating birthday cake
June Cook-Off 2015
Longest non regular parentheses sub-sequence, Strange operations
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
India