October Challenge 2017
A Balanced Contest, Max Mex
February Challenge 2018
Chef And His Characters, Car-pal Tunnel, Permutation and Palindrome
March Lunchtime 2018 Division 2 (Unrated)
Chef and Friends, Three Integers, Magic Elements
December Challenge 2018 Division 2
Chef and An Ideal Problem, Chef and Interactive Contests, Chef and Meatballs, Directing Edges, Max and Electrical Panel, (Challenge) Delete DAG, Chef and Interactive XOR
Quick Code (Rated for Division 2)
Immortal Frieza, Majin Vegeta, Dr Geros lab
August Challenge 2019 Division 1
Dilemma, Chef and Gordon Ramsay, Maximize an Expression, Encoding, Guddu and his Mother
October Challenge 2019 Division 1
Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification
Biteration #2 (Rated for Division 2)
A - Books, C - Chef and Maths
India