July Challenge 2017
Calculator , Whats in the Name
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates
September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
October Challenge 2017
Max Mex, Counter Test For CHEFSUM, A Balanced Contest
November Challenge 2017
Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
August Cook-Off 2017
From heaven to earth, Real obtuse
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
March Challenge 2018 DIV 1
Chef and Easy Problem, Mix the Colors
September Mega Cook-Off 2018 Division 2
Make a Permutation, ATM Machine
March Lunchtime 2018 Division 2 (Unrated)
Chef and Friends, Magic Elements
April Challenge 2018 Division 2
Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers
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