Can anyone please explain how this problem can be solved in top-down manner (Recursive dp).
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Is there any way to space optimize a recursive DP for example say the 0-1 knapsack problem where we can do it iteratively using a 2xN dp array iteratively. Recently I came across this probelem and this problem where I was forced to use an iterative DP. Is there any way to solve these problems recursively?
I am stuck in this problem, I and not able to identify why I am getting a TLE. My submission and the Problem Link
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