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Sherlock and Subtrees

Sherlock and Moriarity are again back in game. This time Moriarity transformed himself as an impersonator and made his own K number of clones, each of them hidden at K different locations in the City. Sherlock observed that City, having N number of locations, has the structure of a tree with N number of nodes and each node represents a distinct location in the city. Now Sherlock is interested in f

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L1 Observation
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L4 Pseudo-code
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L5 Full solution
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solution.cppC++17

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