July Cook-Off 2019 Division 2
Playing with Strings, Two Variables, Birthday Gift Again
August Challenge 2019 Division 2
Guddu and his Mother, Dilemma, Chef and Gordon Ramsay, Football, Distribute Apples, Zombie and the Caves, (Challenge) Bacteria Synthesis
September Challenge 2019 Division 1
Fuzzy Linear Combinations, Chef Designed a Network, (Challenge) Sebi and CPU Design
September Lunchtime 2019 Division 1
All Substrings, Find the Sum
October Challenge 2019 Division 1
Chef and Maximum Star Value, (Challenge) Maximizing LIS
November Challenge 2019 Division 2
(Challenge) Coloring Triangulations, Hard Sequence, Chef and Minimum Colouring, Weapon Value, From Zero to Infinity, Smallest Beautiful Number, Physical Exercise, Single Point of Failure
November Lunchtime 2019 Division 1
Planting Trees, Washing Windows, Perfection
December Challenge 2019 Division 1
Sticky Notes, Addition, (Challenge) Cubical Virus, Test Generation, Binary XOR, Chefina and Ranges
January Challenge 2020 Division 1
Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums, Chefland Army, (Challenge) Building Anthills
France