March Challenge 2019 Division 2
Chef and a Beautiful Digit, Chef and Number Game
April Challenge 2019 Division 2
Maximum Remaining, Friend or Girlfriend
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples, Zombie and the Caves
August Cook-Off 2019 Division 2
Chef and Pepperoni Pizza, Chef Drinks Coke
October Challenge 2019 Division 2
Array Modification, Operations on a Matrix, Phone Prices
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
December Challenge 2019 Division 2
That Is My Score!, Plus Multiply, Easy Subsequence Selection
December Lunchtime 2019 Division 2
Stupid Machine, Check Algorithm
January Challenge 2020 Division 2
Chef and Dynamo, Breaking Bricks
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
January Lunchtime 2020 Division 2
Bob and His Friends, Chef and Street Food
April Challenge 2021 Division 3
Chef and Dice, Valid Pair, World Record, Strong Language
August Long 2022 Division 3 (Rated)
Sale Season, Hello Equation, Two Trains, Make A and B equal
India