June Challenge 2019 Division 2
Chef and Proxy, Guddu on a Date, Chef and Ingredients, Sum and GCD, Road Signs
July Challenge 2019 Division 2
Parity Again, Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves
September Challenge 2019 Division 2
Chef and Good Subsequences, Chef and Interesting Subsequences , Chef Designed a Network, Fuzzy Linear Combinations, Easy Fibonacci
October Challenge 2019 Division 1
Even Edges, Chef and Maximum Star Value, Array Modification
November Challenge 2019 Division 1
Physical Exercise, Smallest Beautiful Number
December Challenge 2019 Division 1
Addition, Binary XOR, Test Generation, Chefina and Ranges, Sticky Notes
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Factor Tree, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
August Challenge 2020 Division 1
Insanely Hard School Exams, Subsequence Frequency Counting, Smallest KMP, Chef and Wedding Arrangements
August Cook-Off 2020 Division 2
Polygon Relationship, Chef and Work, K-Foldable String
Code Ensemble (Rated for Division 2)
Cherry and Bits, Priya and AND, Help Martha
