September Mega Cook-Off 2018 Division 2
ATM Machine, Make a Permutation
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Happiness, Chef and Difficult Contests, Chef and Ridges
October Challenge 2018 Division 2
Minimize Digitsum, Chef and Serves, Byte to Bit
August Lunchtime 2018 Division 2
Chef and Problem Setting, Chef and Eid
January Lunchtime 2019 Division 2
Distances, Rooks, The Nights Watch
March Challenge 2019 Division 2
Chef got Recipes, Cheating on Queue, Chef and Number Game, Yet Again a Subarray Problem, Chef and a Beautiful Digit
June Challenge 2019 Division 1
Chef and Ingredients, Sum and GCD
July Challenge 2019 Division 2
Guess the Prime!, Parity Again, Circular Merging, Minimum and Maximum, Chef and Mean
September Lunchtime 2019 Division 1
All Substrings, Find the Sum
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