February Challenge 2018
Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome
March Challenge 2018 DIV 2
Mix the Colors, Minion Chef and Bananas, Chef and Glove, A Big Sale, Chef and Easy Problem
September Mega Cook-Off 2018 Division 2
ATM Machine, Make a Permutation
August Challenge 2018 Division 2
Modular GCD, Spell Bob, Sheokand and Number, Problem Sort
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures, Table Game, Bad Shuffle
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
September Lunchtime 2018 Division 2
Judging Delay, Chef Restaurant
October Lunchtime 2018 Division 2
Three Friends, Coloring the Grid
India