December Challenge 2018 Division 2
Max and Electrical Panel, Chef and An Ideal Problem, Chef and Interactive Contests, Chef and Interactive XOR, Chef and Meatballs
January Challenge 2019 Division 2
Yet Another Problem About Sequences, Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, A Pizza Slice
February Challenge 2019 Division 2
Chef and Magical Jars, Deputy Chef, Art of Balance, Appy and Contest, Chef and Secret Ingredients, Guess It Right, Manhattan Rectangle
March Cook-Off 2019 Division 2
XOR N-bonacci Sequence, UEFA Champions League
April Challenge 2019 Division 2
Playing with Numbers, Friend or Girlfriend, Maximum Remaining, Subtree Removal, Fencing
August Challenge 2019 Division 1
Guddu and his Mother, Maximize an Expression, Dilemma
October Challenge 2019 Division 1
Even Edges, Chef and Maximum Star Value, Array Modification
December Lunchtime 2019 Division 1
The Evil Professor, Guess the number
January Challenge 2020 Division 1
Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums
April Challenge 2020 Division 1
Leaked Answers (Challenge), Squared Subsequences, Ready Bitwise, Strange Number
March Cook-Off 2020 Division 1
Mysterious Sequence, Maximize Letter Beauty
Biteration #2 (Rated for Division 2)
A - Books, C - Chef and Maths
Exun Programming Prelims 2019 (Rated for all)
Weird Modulo Problem , Tennis Tournament, Chipped Tree
RECode 12.0 (Rated for all)
Chef and String, Chef and Walk, Chef and Rotation, Chef and Numbers
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