September Challenge 2015
Count Steps in Matrix, Chain of Doughnuts
December Challenge 2015
Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence
January Long Challenge 2016
Devu and Perfume, Chef and Time Machine, Churu and Balls, Rupsa and the Game
March Challenge 2016
Palindromic substrings, maximize the sum
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring
June Challenge 2016
Devu and an Array, Chef and Coins Game, Chef And The Hiring Event, Chef And Binary Operation
August Challenge 2016
Chef and Chocolate, Chef and Round Run
December Challenge 2016
Train Partner, Edit Distance Revisited, Our Base is Under Attack
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
July Lunchtime 2016
Drumpf for President!, Lumpy - The Bus Driver
May Challenge 2017
Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers
IOPC 2017 (Rated)
The Birthday Tears, Max Out
India