September Challenge 2016
Chef and digits of a number
May Challenge 2017
Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Sub Array
June Challenge 2017
Pairwise union of sets, Triplets, Xenny and Coin Rankings, Chef and the Feast, A Good Set
July Challenge 2017
Chef and Sign Sequences, Whats in the Name, Calculator , IPC Trainers
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates
October Cook-Off 2017
Chef and Weird Queries, Chef and Counting Test, Chef and Employment Test
International Coding League (Rated)
Cards Game, Worst Case Analysis
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle
March Challenge 2018 DIV 2
Minions and Voting, Minion Chef and Bananas, Chef and Glove, Mix the Colors, A Big Sale, Chef and Easy Problem
Insomnia 2018 (Rated)
Split Sums, Strange Swaps
Coders' Legacy 2018 (Rated)
Useless Clocks, Fibonacci String
Quick Code (Rated for Division 2)
Immortal Frieza, Majin Vegeta
Encoder (Rated for Division 2)
Knight Chess, Second Largest Element, Old Farmer, Paint the Wall
India