February Challenge 2017
Chef and His Apartment Dues
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number
April Challenge 2017
Dish Of Life, Bear and Row 01, Similar Dishes
July Challenge 2017
Chef and Sign Sequences, Tree Expectancy, Whats in the Name, Calculator
October Challenge 2017
Chef and a great voluntary Program, Chef and Cycled Cycles, Max Mex, A Balanced Contest
November Challenge 2017
Villages and Tribes, Periodic Palindrome Construction, Chef Hates Palindromes, Chef goes Left Right Left
September Cook-Off 2017
Statistics Construction, Subsequence Equality
IOPC 2017 (Rated)
The Birthday Tears, Max Out, Christmas Time
February Lunchtime 2018
Game with numbers, Jumping in the hills
March Lunchtime 2018 Division 1 (Unrated)
Three Integers, Magic Elements
