February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef, Manhattan Rectangle
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Fencing
June Challenge 2019 Division 2
Chef and Proxy, Sum and GCD, Chef and Ingredients, Guddu on a Date, Road Signs
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples, Zombie and the Caves
September Challenge 2019 Division 2
Chef and Interesting Subsequences , Chef Designed a Network, Chef and Good Subsequences, Easy Fibonacci
October Challenge 2019 Division 2
Even Edges, Missing Number, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
November Challenge 2019 Division 1
Physical Exercise, Smallest Beautiful Number, A Simple Game
January Challenge 2020 Division 1
Chef and Dynamo, Doraemon, Breaking Bricks
March Challenge 2020 Division 2
XOR Engine, Ada Bishop 2, Pintu and Fruits
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
India