September Lunchtime 2017
Chef and Cook-Off Contests
September Mega Cook-Off 2018 Division 2
ATM Machine, Make a Permutation
September Challenge 2018 Division 2
Bad Shuffle, Table Game, Chef and Adventures, War of XORs, Magician versus Chef
November Challenge 2018 Division 2
Chef and Ridges, Appy Loves One, Chef and Difficult Contests, Chef and Happiness
October Challenge 2018 Division 2
Minimize Digitsum, Chef and Circles, Byte to Bit, Chef and Serves, Chef and Surprise Chessboard, Beautiful Bricks, Appy and Balloons
September Lunchtime 2018 Division 2
Judging Delay, Chef Restaurant
January Challenge 2019 Division 2
Yet Another Problem About Sequences, Different Neighbours, Lucky Number Game, Distinct Pairs, Fancy Quotes
July Challenge 2019 Division 2
Guess the Prime!, Chef and Mean , Minimum and Maximum, Codechef War, Parity Again, Circular Merging
September Challenge 2019 Division 1
Biladerim Icin, Fuzzy Linear Combinations, Chef Designed a Network
October Challenge 2019 Division 1
Even Edges, Chef and Maximum Star Value, Array Modification, (Challenge) Maximizing LIS
November Challenge 2019 Division 1
Smallest Beautiful Number, Physical Exercise
November Lunchtime 2019 Division 1
Planting Trees, Washing Windows, Perfection
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Leaked Answers (Challenge)
August Lunchtime 2020 Division 1
Game on a Strip, Alien Invasion
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