June Challenge 2019 Division 2
Chef and Proxy, Lent Money, Count Arrays, Guddu on a Date, Chef and Ingredients, Intersecting Paths, Sum and GCD, Road Signs
September Challenge 2019 Division 2
Biladerim Icin, Chef and Interesting Subsequences , Chef Designed a Network, Power Sum, Doofish Set, Expected GCD, Fuzzy Linear Combinations, Easy Fibonacci, Chef and Good Subsequences
January Challenge 2020 Division 1
(Challenge) Building Anthills, Chefland Army, Army of Me, English, Doofish Matrix, Doraemon, Chef and Dynamo, Chefina and Prefix Suffix Sums
February Challenge 2020 Division 1
Chef and Railway Stations, Expected Change, No Change Required, Balancing Network Revisited, Chef and Gordon Ramsay 2, (Challenge) Raisins, Long Contest and Cook Off Overlaps
March Challenge 2020 Division 1
Winning Ways 2, Egg-free DAG, Good Subsequences, Lasers Everywhere Alternative, Inverse of a Function, Lasers Everywhere, Break, Chef and DAG
May Challenge 2020 Division 1
Triple Sort, Binary Land, Sorting Vases, Not a Real World Problem, Chef and Rainbow Road, Chef and Bitwise Product, Precise Pairing, Precise Bipartite Pairing
