December Challenge 2017
Penalty Shoot-out, Chef And his Cake
March Challenge 2018 DIV 2
A Big Sale, Mix the Colors, Chef and Glove
November Cook-Off 2018 Division 2
Truth and Dare, Beautiful Garland
June Challenge 2018 Division 2
Binary Shuffle, Naive Chef
December Challenge 2018 Division 2
Max and Electrical Panel, Chef and Interactive XOR, Chef and Interactive Contests, Chef and An Ideal Problem
October Challenge 2018 Division 2
Minimize Digitsum, Chef and Serves, Byte to Bit
October Lunchtime 2018 Division 2
Three Friends, Weird Question
January Challenge 2019 Division 2
Yet Another Problem About Sequences, Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes
February Challenge 2019 Division 2
Manhattan Rectangle, Deputy Chef, Art of Balance, (Challenge) Chef with Orchestra in the Kitchen, Appy and Contest, Chef and Secret Ingredients, Chef and Magical Jars, Guess It Right
June Challenge 2019 Division 1
Chef and Ingredients, Sum and GCD
India