February Challenge 2015
Chef and Chain, Let us play with rank list, Chef and Equality
April Challenge 2015
Chef and Interview, Broken Telephone, Chef and Piano Scales
August Challenge 2015
Gravity Guy, Cooking Machine
September Challenge 2015
Count Steps in Matrix, Chain of Doughnuts
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
November Cook-Off 2015
Sereja and Array and Subtracting
September Lunchtime 2015
Sum of palindromic numbers
March Challenge 2016
Palindromic substrings, maximize the sum, Chef And Special Dishes
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring
June Challenge 2016
Chef and Coins Game, Devu and an Array, Chef And Binary Operation
April Cook-Off 2016
Movie Weekend, Odd Divisors
April Challenge 2021 Division 3
Chef and Dice, Valid Pair, World Record, Strong Language
Exun 2021-22 Division 3 (Rated)
Vishesh and his Popcorn Combo, Sarthak and his Magic Grid, Vedant and his Hidden Array
India