April Challenge 2018 Division 2
Weight of Numbers, Workers
June Challenge 2018 Division 2
Sheokand and String, Binary Shuffle, Naive Chef
July Challenge 2018 Division 2
Reach Equilibrium, No Minimum No Maximum, Magic Set, Strike or Spare, No Strings Attached
August Challenge 2018 Division 2
Spell Bob, Sheokand and Number, Problem Sort, Modular GCD
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Condition Zero (Challenge), Chef and Adventures, Table Game, Bad Shuffle
November Challenge 2018 Division 1
Appy Loves One, Good Median, Chef, Primes and Trees (Challenge), Magician versus Chef 2
October Challenge 2018 Division 2
Beautiful Bricks, Chef and Circles, Byte to Bit, Chef and Serves, Minimize Digitsum, Appy and Balloons , Chef and Surprise Chessboard
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, (Challenge) Chef and Matching Game, A Pizza Slice
January Challenge 2020 Division 1
Doraemon, (Challenge) Building Anthills, Chefland Army, English, Chefina and Prefix Suffix Sums, Doofish Matrix, Chef and Dynamo
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Factor Tree, Leaked Answers (Challenge)
