December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem, Max and Electrical Panel
November Challenge 2018 Division 2
Chef and Ridges, Chef and Difficult Contests, Chef and Happiness
February Challenge 2019 Division 2
Chef and Secret Ingredients, Appy and Contest, Deputy Chef
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
April Challenge 2019 Division 2
Maximum Remaining, Fencing, Friend or Girlfriend, Playing with Numbers
October Challenge 2019 Division 2
Missing Number, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
April Challenge 2020 Division 2
Squared Subsequences, COVID Pandemic and Long Queue, Leaked Answers (Challenge), Sell All the Cars, Ready Bitwise, Strange Number, Unit GCD
March Cook-Off 2020 Division 2
Mysterious Sequence, Find Your Gift, Box of Chocolates
May Cook-Off 2020 Division 2
Chef and Recipe, Impressing Chefina
February Lunchtime 2020 Division 2
At the Gates, Not All Flavours
October Challenge 2020 Division 2
Replace for X, Chef and Easy Queries, Covid Run, Positive AND
November Challenge 2020 Division 2
Restore Sequence, Ada and Dishes, Magical Candy Store, Iron, Magnet and Wall
November Cook-Off 2020 Division 2
Flip the String, Chef and IPC Certificates
September Lunchtime 2020 Division 2
GCD operations, Watermelon
India