August Cook-Off 2013
Chef and The Right Triangles
October Challenge 2013
Yet Another Nice Girl, Edit Distance on Grid
November Challenge 2014
Chef and Segment Game, Distinct Characters Subsequence, Let us construct palindrome
December Lunchtime 2014
Sum Of Binomial Coefficent , Delivery Man
January Challenge 2015
Chef and Stones, Sereja and Votes, Gcd Queries
February Challenge 2015
Chef and Chain, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Chef and Equality
India