September Challenge 2013
Little Elephant and Exams, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2
June Challenge 2014
Chef and Subarray, Guessing Game
December Cook-Off 2015
Chef and Subarrays, Chef and Queries
January Long Challenge 2016
Sereja and Salesman, Rupsa and the Game, Churu and Balls, Cyclist Race, Chef and Time Machine, Devu and Perfume
Russia