January Challenge 2019 Division 2
Fancy Quotes, Lucky Number Game
February Challenge 2019 Division 2
Chef and Secret Ingredients, Appy and Contest, Deputy Chef, Chef and Magical Jars
March Challenge 2019 Division 2
Chef and Number Game, Chef and a Beautiful Digit
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining
April Cook-Off 2019 Division 2
Making a Meal, Chef Learning Hungarian Algorithm
April Lunchtime 2019 Division 2
Fast Food, Minimum Sum, Attendance
May Lunchtime 2019 Division 2 (Unrated)
Dummy Palindromic Strings, Reverse Maximisation, CV
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date, Sum and GCD
June Cook-Off 2019 Division 2
Eat Twice, Multiple Choice Exam
July Challenge 2019 Division 2
Parity Again, Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Guddu and his Mother, Encoding, Dilemma, Football, Distribute Apples, Zombie and the Caves
November Challenge 2019 Division 1
Hard Sequence, A Simple Game
February Challenge 2020 Division 1
No Change Required, Long Contest and Cook Off Overlaps, (Challenge) Raisins, Hard Cash, School of Geometry, The Theatre Problem
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Ready Bitwise, Leaked Answers (Challenge), COVID Pandemic and Long Queue
August Challenge 2020 Division 1
Smallest KMP, Chef and Wedding Arrangements
India