August Challenge 2019 Division 2
Distribute Apples, Football
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
January Challenge 2020 Division 2
Doraemon, Breaking Bricks
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
May Lunchtime 2020 Division 2
Weird Walk, Lost Weekends
June Challenge 2020 Division 2
Chef and Price Control, Chef and String, Covid Sampling (Challenge), The Tom and Jerry Game!, Even Matrix, Chef and Icecream
July Challenge 2020 Division 2
Ada King, Chefina and Swaps, Missing a Point, Chef and Card Game, Chef and Strings
June Lunchtime 2020 Division 2
Chef and Demonetisation, Increasing Decreasing, Gold Mining
December Challenge 2020 Division 2
Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
India