August Challenge 2014
The Leaking Robot, Chef and Gift
December Challenge 2014
Chef Under Pressure, Chef and Bracket-Pairs, XOR with Subset, Chef and Apple Trees
January Challenge 2015
Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries
September Challenge 2015
Cracking the Code, Lighthouses, Count Steps in Matrix, Bank robbery, Chain of Doughnuts, Filling the maze
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire
August Lunchtime 2015
Churu and lost string, Make Palindrome, Minimum Maximum
January Long Challenge 2016
Sereja and Salesman, Chef and Inflation, Rupsa and the Game, Churu and Balls, Chef and Time Machine, Devu and Perfume
United States