December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Ridges, Chef and Difficult Contests
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
December Lunchtime 2018 Division 2
Print Pattern, Age Calculator
January Challenge 2019 Division 2
Lucky Number Game, Distinct Pairs, Fancy Quotes
February Challenge 2019 Division 2
Chef and Magical Jars, 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
Fencing, Maximum Remaining, Friend or Girlfriend
April Cook-Off 2019 Division 2
Making a Meal, Chef Learning Hungarian Algorithm
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients
August Challenge 2019 Division 2
Distribute Apples, Zombie and the Caves, Football, Dilemma
September Challenge 2020 Division 2
Chefina and Swap, A Problem on Sticks, Find XOR, Ada Matrix, Coronavirus Spread 2
India