February Challenge 2017
Chef and His Apartment Dues
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number
April Challenge 2017
Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes
May Challenge 2017
Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers
June Challenge 2017
Xenny and Coin Rankings, Triplets, Chef and the Feast, A Good Set
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates
October Challenge 2017
Max Mex, Counter Test For CHEFSUM, A Balanced Contest
December Challenge 2017
Chef and Hamming Distance of arrays, Chef And his Cake, Total Diamonds, Penalty Shoot-out
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle
January Lunchtime 2018
Chef and Game with Sequence, Chef and Escaping from the Labyrinth
February Challenge 2018
Permutation and Palindrome, Car-pal Tunnel, Akanksha and End of Semester, Chef And The Patents, Chef And His Characters
March Challenge 2018 DIV 2
Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas
February Cook-Off 2019 Division 1
Max Range Queries, Chef and Party
March Lunchtime 2019 Division 1
Corrupted Seven-Segment Display
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