February Challenge 2019 Division 2
Appy and Contest, Deputy Chef, Chef and Secret Ingredients
March Challenge 2019 Division 2
Chef and Soccer, Chef got Recipes, Chef and Number Game, Yet Again a Subarray Problem, Chef and a Beautiful Digit
May Challenge 2019 Division 2
Matches, Reduce to One, Ada Pawns
June Challenge 2019 Division 2
Lent Money, Sum and GCD, Intersecting Paths, Chef and Ingredients, Guddu on a Date, Chef and Proxy, Road Signs
July Challenge 2019 Division 1
Hit the Coconuts, Snake and Apple Tree, Guess the Prime!, Codechef War, Circular Merging
March Challenge 2020 Division 1
Chef and DAG, Lasers Everywhere Alternative, Lasers Everywhere, Break, Winning Ways 2
May Challenge 2020 Division 1
Buying a New String, Triple Sort, Binary Land, Sorting Vases, Not a Real World Problem, Chef and Bitwise Product
June Challenge 2020 Division 1
The Delicious Cake, Danya and Different Values, Guessing Game, Convenient Airports, Operations on a Tuple, The Tom and Jerry Game!
July Challenge 2020 Division 1
Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef
August Challenge 2020 Division 1
Subsequence Frequency Counting, Smallest KMP, Chef and Wedding Arrangements
Indonesia