August Challenge 2018 Division 2
Problem Sort, Spell Bob, Sheokand and Number
October Challenge 2018 Division 2
Appy and Balloons , Minimize Digitsum, Chef and Serves, Byte to Bit
August Lunchtime 2018 Division 2
Chef and Problem Setting, Chef and Eid
September Lunchtime 2018 Division 2
Judging Delay, Chef Restaurant
January Challenge 2019 Division 2
Yet Another Problem About Sequences, Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, A Pizza Slice
June Challenge 2019 Division 1
Sum and GCD, Chef and Ingredients, Lent Money
October Challenge 2019 Division 1
Even Edges, Chef and Maximum Star Value, Array Modification
May Cook-Off 2020 Division 1
Chef, Chefina and Their Friendship, Roads in Chefland
January Lunchtime 2020 Division 1
Construct Array, Under the Tunnels
October Challenge 2020 Division 1
Positive AND, Replace for X
Code Ensemble (Rated for Division 2)
Cherry and Bits, Priya and AND, Help Martha, Priya and Parity
March Cook-Off 2021 Division 2
Matrix XOR, Guess the Number
February Lunchtime 2021 Division 2
Average Sorting, Palpal Strings, Coprime Range
