February Challenge 2017
Chef and His Apartment Dues
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix
April Challenge 2017
Dish Of Life, Bear and Row 01, Similar Dishes
May Challenge 2017
Median of adjacent maximum numbers, Blocked websites, Courses in an university, Chef and his daily routine, Chef and Sub Array
June Challenge 2017
A Good Set, Chef and the Feast, Xenny and Coin Rankings, Pairwise union of sets
July Challenge 2017
Chef and Sign Sequences, Whats in the Name, Calculator , IPC Trainers
November Challenge 2017
Villages and Tribes, Chef goes Left Right Left, Chef Hates Palindromes
December Challenge 2017
Total Diamonds, Chef and Hamming Distance of arrays
November Cook-Off 2017
Skiing, Online Chess, Random Pair
International Coding League (Rated)
Matrix Game, Stingy Strings, Maze Love
February Cook-Off 2018
Chef and Cook-Off, Chef and Tuples, Chef and Line
March Challenge 2018 DIV 1
Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting
India