October Cook-Off 2016
ChefWatson uses Social Network, Watson asks Does Permutation Exist
April Challenge 2017
Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes
May Challenge 2017
Blocked websites, Chef and Subsequences, Median of adjacent maximum numbers, Courses in an university, Chef and his daily routine, Gotham PD, Chef and Sub Array
June Challenge 2017
Chef and Prime Queries, A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets
July Challenge 2017
IPC Trainers, 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
Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Fill The Matrix, Little Chef and Sums
December Challenge 2017
Total Diamonds, Chef and Hamming Distance of arrays, Penalty Shoot-out, Chef And his Cake
July Cook-Off 2017
Chang and Bitwise OR, Chang and the Perfect Function
Bangladesh