November Challenge 2017
Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
December Challenge 2017
Total Diamonds, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays
February Cook-Off 2018
Chef and Cook-Off, Chef and Tuples
March Challenge 2018 DIV 2
A Big Sale, Minion Chef and Bananas, Chef and Glove, Mix the Colors
April Challenge 2018 Division 2
Weight of Numbers, Workers
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs
September Challenge 2018 Division 2
Bad Shuffle, Chef and Adventures, Magician versus Chef, War of XORs
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Ridges, Chef and Difficult Contests
August Lunchtime 2018 Division 2
Chef and Problem Setting, Chef and Eid, Mix Mix Game
January Challenge 2019 Division 2
Lucky Number Game, A Pizza Slice, Fancy Quotes, Chef and Modulo Game, Distinct Pairs, Different Neighbours, Yet Another Problem About Sequences
Plinth-Enigma'19 LNMIIT Techfest - (Rated for all)
XOR! Wait for it, Return of the Gargoyle King, Summation over nCr
February Challenge 2019 Division 1
Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Yet Another Tree Problem, Art of Balance
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