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TREE COLOURING

You are given a tree of N vertices, and an integer K. How many ways are there to colour the tree with K colours such that no edge is adjacent to vertices of the same colour. Since the answer may be large, output the answer modulo 1,000,000,007. Input - The first line consists of a single integer T, the number of test-cases. Each test-case is formatted as follows. - The second line consists of

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solution.cppC++17

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