February Challenge 2018
Chef And The Patents, Chef And His Characters
March Challenge 2018 DIV 2
A Big Sale, Mix the Colors, Chef and Glove
May Challenge 2018 Division 2
Minimum Deletions, Xor Again, Dibs on Fibs
June Challenge 2018 Division 2
Binary Shuffle, Naive Chef
July Challenge 2018 Division 2
Strike or Spare, Magic Set, No Minimum No Maximum, Reach Equilibrium
August Challenge 2018 Division 2
Modular GCD, Problem Sort, Sheokand and Number, Spell Bob
September Challenge 2018 Division 2
Magician versus Chef, Chef and Adventures
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
January Challenge 2019 Division 2
Yet Another Problem About Sequences, A Pizza Slice, Fancy Quotes, Chef and Modulo Game, Lucky Number Game, Different Neighbours, Distinct Pairs
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Fencing
April Challenge 2020 Division 2
Sell All the Cars, COVID Pandemic and Long Queue, Leaked Answers (Challenge), Unit GCD, Squared Subsequences, Strange Number
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests, Simple Operations
July Cook-Off 2020 Division 1
Even-tual Reduction, OR-thodox Distinction, Path-etic Products
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