May Challenge 2020 Division 2
Isolation Centers, Coronavirus Spread
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control
July Challenge 2020 Division 2
Chef and Strings, Chef and Card Game, Missing a Point, Chefina and Swaps, Ada King
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP
October Challenge 2020 Division 2
Positive AND, Replace for X, Covid Run, Chef and Easy Queries
January Challenge 2021 Division 2
Watching CPL, Fair Elections
March Cook-Off 2021 Division 2
Consecutive Deletions, Guess the Number, Chef and Sorting, Matrix XOR
March Challenge 2021 Division 2
Interesting XOR!, College Life 4, Consecutive Adding, Space Arrays
March Lunchtime 2021 Division 2
Dinner by Candlelight, Racing, Uniform, Lunchtime
June Lunchtime 2021 Division 1
Richie Rich, From Rational to Binary
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
SnackDown 2021 - Online Pre-Elimination
Non-Decreasing Subsequence of size K, Product Pain
SnackDown 2021 - Final Round
Ones Guessing, AND of Maximums
India