November Challenge 2018 Division 2
Appy Loves One, Good Median, Chef, Primes and Trees (Challenge), Magician versus Chef 2, Binary Strings, Chef and Difficult Contests, Chef and Happiness, Chef and Ridges
January Challenge 2019 Division 2
Chef and Modulo Game, A Pizza Slice, (Challenge) Chef and Matching Game, Fancy Quotes, Distinct Pairs, Lucky Number Game, Different Neighbours, Yet Another Problem About Sequences
February Challenge 2019 Division 1
Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Xor Decomposition, Yet Another Tree Problem, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance, Maximize the Tax
April Challenge 2019 Division 1
Kira Loves Palindromes, Moving Rectangles (Challenge), Subtree Removal, Mininum XOR over Tree, Offer for Chef, Playing with Numbers
June Challenge 2019 Division 1
Lent Money, Count Arrays, Chef and Ingredients, Chef and His Dish, Intersecting Paths, Sum and GCD, Forgotten Tree 9, (Challenge) SnackDown 99
July Challenge 2019 Division 1
Snake and Apple Tree, (Challenge) Codechef War II, Circular Merging, Maximum and Minimum, LOVEMUFFIN, Codechef War, Guess the Prime!, Hit the Coconuts
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Ready Bitwise, Factor Tree, Line Line Line Graph, Leaked Answers (Challenge)
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