December Challenge 2019 Division 2
Plus Multiply, That Is My Score!, Easy Subsequence Selection
January Challenge 2020 Division 2
Chef and Dynamo, Breaking Bricks
February Challenge 2020 Division 2
The Theatre Problem, School of Geometry, Hard Cash
April Challenge 2020 Division 2
Unit GCD, COVID Pandemic and Long Queue, Leaked Answers (Challenge), Sell All the Cars, Squared Subsequences, Strange Number
May Challenge 2020 Division 2
Triple Sort, Coronavirus Spread, Isolation Centers
April Lunchtime 2020 Division 2
Chef in Fantasy League, Another Birthday Present!
May Lunchtime 2020 Division 2
Weird Walk, Lost Weekends
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Operations on a Tuple, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control
July Challenge 2020 Division 2
Ada King, Chef and Strings, Chef and Card Game, Doctor Chef, Missing a Point, Chefina and Swaps
August Challenge 2020 Division 1
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef Thanos Wants Perfect Balance, Chef and Wedding Arrangements
India