May Cook-Off 2014
Ups and Downs, Divide the Cake
June Challenge 2014
Chef and Subarray, Guessing Game
July Challenge 2014
Chef and Rectangle Genome, Count Substrings, Reach The Point
April Challenge 2015
Broken Telephone, Chef and Piano Scales, Chef and Interview
June Challenge 2015
Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Gravity Guy, Cooking Machine, Aditi and Magic Trick
April Cook-Off 2015
Equality, Version Control System
India