January Challenge 2017
Cats and Dogs, Capital Movement
February Challenge 2017
Interval Game, Chef and Triangles, Chef and His Apartment Dues, Gerrymander
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
August Challenge 2019 Division 1
Guddu and his Mother, Dilemma, Maximize an Expression
