July Challenge 2019 Division 2
Parity Again, Minimum and Maximum
August Challenge 2019 Division 2
Football, Distribute Apples, Zombie and the Caves
October Challenge 2019 Division 2
Even Edges, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
December Challenge 2019 Division 2
Plus Multiply, Binary XOR, Easy Subsequence Selection, That Is My Score!, Addition
December Lunchtime 2019 Division 2
Stupid Machine, Check Algorithm
February Challenge 2020 Division 2
No Change Required, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins
March Cook-Off 2020 Division 2
Mysterious Sequence, Find Your Gift, Box of Chocolates
May Cook-Off 2020 Division 2
Chef and Recipe, Roads in Chefland, Impressing Chefina
January Lunchtime 2020 Division 2
Bob and His Friends, Chef and Street Food
June Cook-Off 2020 Division 2
Cache Hits, Per Capita Income, Max Mex
India