December Lunchtime 2017
Days in Month, Strange Function
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle
January Cook-Off 2018
Multiple of 3, Survive in ChocoLand
February Challenge 2018
Chef And His Characters, Chef And The Patents, Car-pal Tunnel, (Challenge) Biased Committee, Permutation and Palindrome
February Cook-Off 2018
Chef and Cook-Off, Chef and Line, Chef and Tuples
February Lunchtime 2018
Game with numbers, Jumping in the hills
March Challenge 2018 DIV 1
Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting
April Challenge 2018 Division 1
Chef and Array (Challenge), Cutting Plants, Highway Crossing, Count Good Prefixes
