May Challenge 2015
Set Difference , Chef and Prime Divisors, Chef and new recipe
June Challenge 2015
Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons
August Challenge 2015
Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia
October Challenge 2015
Count Subarrays, Rupsa and Equilateral Triangle, Spheres, Who dares to be a millionaire, Time measure
December Challenge 2015
Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters, Chef and Girls
May Cook-Off 2015
Devu and friendship testing
July Cook-Off 2015
Maximize Disjoint Pair Sum, Cops and the Thief Devu
September Mega Cook-Off 2015
Forgotten Language, Stacks
January Long Challenge 2016
Sereja and Salesman, Chef and Inflation, Rupsa and the Game, Churu and Balls, Cyclist Race, Chef and Time Machine, Devu and Perfume
April Challenge 2016
Chef and Ballons, Chef And Coloring, Chef And Magical Path, Fibonacci Queries, Help Watson Escape
April Cook-Off 2016
Movie Weekend, Odd Divisors, Queries on a Binary Tree
February Lunchtime 2016
Chef and Socks, Chef and Tic-Tac-Toe
June Lunchtime 2016
Collisions, One more weird game, Square in numbers
January Cook-Off 2017
Digit Longest Increasing Subsequences 2
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