February Challenge 2015
Chef and Chain, Chef and Equality
March Challenge 2015
Chef and Notebooks, Devu and his Class, Sign Wave
April Challenge 2015
Count Sequences, Chef and Interview, Broken Telephone, Division of Lands, Chef and Piano Scales
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Cooking Machine, Aditi and Magic Trick, Gravity Guy
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix, Bank robbery
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres
April Cook-Off 2015
Equality, Version Control System
July Cook-Off 2015
Maximize Disjoint Pair Sum, Cops and the Thief Devu
September Mega Cook-Off 2015
Forgotten Language, Super Numbers, Stacks
January Long Challenge 2016
Rupsa and the Game, Churu and Balls, Chef and Making Triples, Chef and Time Machine, Devu and Perfume
June Challenge 2017
A Good Set, Xenny and Coin Rankings
September Challenge 2017
Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
September Cook-Off 2017
Statistics Construction, Subsequence Equality
March Cook-Off 2019 Division 2
XOR N-bonacci Sequence, UEFA Champions League, Markers and Caps
United States