May Challenge 2017
Courses in an university, Median of adjacent maximum numbers, Chef and his daily routine
July Challenge 2019 Division 2
Minimum and Maximum, Chef and Mean
October Challenge 2019 Division 2
Chef and Maximum Star Value, Phone Prices, Operations on a Matrix, Array Modification, Missing Number, Even Edges
November Challenge 2019 Division 2
Physical Exercise, Hard Sequence, From Zero to Infinity, Weapon Value, Chef and Minimum Colouring
India