February Challenge 2020 Division 2
School of Geometry, Hard Cash
May Challenge 2020 Division 2
Triple Sort, Coronavirus Spread, Isolation Centers
January Lunchtime 2020 Division 2
Bob and His Friends, Chef and Street Food
June Challenge 2020 Division 2
Covid Sampling (Challenge), Chef and Price Control, Chef and String, Chef and Icecream, Operations on a Tuple, The Tom and Jerry Game!, Even Matrix
July Challenge 2020 Division 2
Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings
September Challenge 2020 Division 1
Chefina and Swap, Chef and Trump Cards, Find XOR, Divide Candies, Ada Matrix
India