August Challenge 2019 Division 2
Football, Distribute Apples, Dilemma
September Challenge 2019 Division 2
Easy Fibonacci, Chef and Interesting Subsequences
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
December Challenge 2019 Division 2
That Is My Score!, Easy Subsequence Selection, Plus Multiply
January Challenge 2020 Division 2
Chef and Dynamo, Doraemon, Breaking Bricks
February Challenge 2020 Division 2
No Change Required, The Theatre Problem, School of Geometry, Hard Cash, Long Contest and Cook Off Overlaps
March Challenge 2020 Division 2
XOR Engine, Pintu and Fruits, Ada Bishop 2
May Challenge 2020 Division 2
Triple Sort, Coronavirus Spread, Isolation Centers
January Cook-Off 2020 Division 2
Chef Chick, Exam Cheating
January Lunchtime 2020 Division 2
Bob and His Friends, Chef and Street Food
July Challenge 2020 Division 1
Chefina and Swaps, Chef and Strings, Chef and Card Game, Doctor Chef, Missing a Point, Ada King
September Challenge 2020 Division 1
Chefina and Swap, Chef and Trump Cards, Find XOR, Ada Matrix
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