October Challenge 2017
Counter Test For CHEFSUM, A Balanced Contest, Max Mex
April Challenge 2018 Division 2
Chef and Array (Challenge), Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers
June Challenge 2018 Division 2
Binary Shuffle, Naive Chef
July Challenge 2018 Division 2
Magic Set, Strike or Spare
October Challenge 2018 Division 2
Appy and Balloons , Chef and Circles, Byte to Bit, Chef and Serves, Chef and Surprise Chessboard, Minimize Digitsum
January Challenge 2019 Division 2
Lucky Number Game, Distinct Pairs, Fancy Quotes
March Challenge 2019 Division 2
Chef got Recipes, Chef and a Beautiful Digit, Chef and Number Game
March Cook-Off 2019 Division 2
XOR N-bonacci Sequence, UEFA Champions League
March Lunchtime 2019 Division 2
Testing Robot, Pogo Stick Competition
June Challenge 2019 Division 1
Lent Money, Chef and Ingredients, Chef and His Dish, Sum and GCD, (Challenge) SnackDown 99
August Challenge 2019 Division 1
Dilemma, Maximize an Expression, Guddu and his Mother
Code Melange (Rated for all)
Greg and Grid, A Small Array, Go Round, Max power
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Leaked Answers (Challenge)
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