June Challenge 2015
Chef and Memory Limit, Chef and Polygons, Chef and His Friend
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
December Challenge 2015
Oracle Devu and Longest Common Subsequence
May Cook-Off 2015
Devu and friendship testing
July Cook-Off 2015
Cops and the Thief Devu, Maximize Disjoint Pair Sum
January Long Challenge 2016
Churu and Balls, Chef and Time Machine
February Challenge 2016
Chef and Strange Operations, Devu and a light discussion, Chef-Detective
May Challenge 2016
Forest Gathering, Chef and Big Soccer
June Challenge 2016
Chef and Rectangle Array, Chef and Array and K
India