October Cook-Off 2016
Watson asks Does Permutation Exist
January Challenge 2017
Capital Movement, Cats and Dogs, Reservior
February Challenge 2017
Chef and His Apartment Dues
May Challenge 2017
Courses in an university, Median of adjacent maximum numbers, Blocked websites, Chef and his daily routine, Chef and Sub Array
June Challenge 2017
A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets
July Challenge 2017
IPC Trainers, Two Coins, Calculator , Tree Expectancy, Chef and Sign Sequences, Whats in the Name
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates
September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
November Challenge 2017
Villages and Tribes, Periodic Palindrome Construction, Chef goes Left Right Left
July Cook-Off 2017
Chang and Bitwise OR, Chang and the Perfect Function
June Lunchtime 2017
Maximum Unique Segment, Two Numbers
ProCon 2018 (Rated for all)
The Great Run, Kill them with your success
Encoder (Rated for Division 2)
Knight Chess, Second Largest Element, Paint the Wall
India