December Challenge 2017
Penalty Shoot-out, Chef and Hamming Distance of arrays, Chef And his Cake
August Cook-Off 2017
Real obtuse, From heaven to earth
October Cook-Off 2017
Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries
December Cook-Off 2017
Beautiful Array, Football Match
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, String Merging
January Cook-Off 2018
Multiple of 3, Survive in ChocoLand
January Lunchtime 2018
Chef and Game with Sequence
September Mega Cook-Off 2018 Division 2
ATM Machine, Make a Permutation
December Challenge 2018 Division 2
Max and Electrical Panel, Chef and An Ideal Problem, Chef and Interactive XOR
October Challenge 2018 Division 2
Appy and Balloons , Chef and Surprise Chessboard, Chef and Serves, Byte to Bit, Chef and Circles
September Lunchtime 2018 Division 2
Judging Delay, Opposite Cites, Chef Restaurant
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
September Challenge 2019 Division 2
Chef and Good Subsequences, Chef Designed a Network
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests
India