December Challenge 2018 Division 2
Max and Electrical Panel, Chef and An Ideal Problem, Chef and Interactive Contests
March Challenge 2019 Division 2
Chef and Number Game, Chef and a Beautiful Digit
September Challenge 2019 Division 2
Easy Fibonacci, Chef and Interesting Subsequences
October Challenge 2019 Division 2
Phone Prices, Operations on a Matrix, Array Modification
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
December Challenge 2019 Division 2
Plus Multiply, That Is My Score!, Addition
February Challenge 2020 Division 2
The Theatre Problem, School of Geometry, Hard Cash
March Challenge 2020 Division 2
Pintu and Fruits, Ada Bishop 2, XOR Engine
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, COVID Pandemic and Long Queue
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests
Starters 78 Division 3 (Rated)
Bitwise Equation, Passing Marks, Valid Expression
Starters 84 Division 2 (Rated)
Max count of 1, Max Binary, Chef And Adjacent Sums
Starters 85 Division 2 (Rated)
Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium
Starters 86 Division 2 (Rated)
String Game , Largest Y, Maximise Score
India