February Challenge 2019 Division 2
Chef and Secret Ingredients, Chef and Magical Jars, Deputy Chef, Appy and Contest
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
May Challenge 2019 Division 2
Matches, Reduce to One, Where to Build the Roads
May Cook-Off 2019 Division 2
Chain Reaction, Recover the Sequence
May Lunchtime 2019 Division 2 (Unrated)
CV, Grid Tour, Dummy Palindromic Strings
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients, Sum and GCD
June Cook-Off 2019 Division 2
Multiple Choice Exam, Eat Twice, Drink Slush
July Challenge 2019 Division 2
Chef and Mean , Minimum and Maximum, Parity Again
July Lunchtime 2019 Division 2
Delete a Subarray, Easy Math
August Challenge 2019 Division 2
Guddu and his Mother, Dilemma, Maximize an Expression, Football, Distribute Apples, Zombie and the Caves
August Cook-Off 2019 Division 2
Chef Drinks Coke, Two Circles, Chef and Pepperoni Pizza
September Lunchtime 2019 Division 1
All Substrings, Find the Sum
October Challenge 2019 Division 1
Even Edges, Chef and Maximum Star Value, Array Modification
February Challenge 2020 Division 1
Chef and Railway Stations, No Change Required, The Theatre Problem, (Challenge) Raisins
India