How to solve 1437D - Minimal Height Tree if the question asked to count the number of valid trees?
How to solve 1437D - Minimal Height Tree if the question asked to count the number of valid trees?
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This could have been solved using a dp state (i,curr_parent), if the constraints were a bit less. (n<=3000)
That's actually pretty much good. I got it too. I was thinking if it's possible to solve with original constraints of the problem.