January Challenge 2018
Maximum Score, Rectangle, Partition the numbers, K-Concatenation
February Cook-Off 2018
Chef and Cook-Off, Chef and Tuples
March Challenge 2018 DIV 2
Chef and Glove, Minion Chef and Bananas, Minions and Voting, Mix the Colors, A Big Sale, Chef and Easy Problem
March Cook-off 2018 Division 2
Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition
May Cook-off 2018 Division 2
Best Cake Ever, Secret Recipe
April Challenge 2018 Division 2
Workers, Average of Pairs, Highway Crossing, Weight of Numbers, Count Good Prefixes
July Challenge 2018 Division 1
Reach Equilibrium, No Minimum No Maximum
June Challenge 2019 Division 1
Lent Money, Chef and Ingredients, Intersecting Paths, Sum and GCD
Code Melange (Rated for all)
Go Round, Max power, Longest Xommon Subsequence, A Small Array, Greg and Grid
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Factor Tree, Leaked Answers (Challenge)
April Cook-Off 2020 Division 1
Tower Counting, Simple Operations
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