Colouring graphs

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In this problem you will be given a simple acyclic graph and asked to perform update or query operations on the graph. Update operations will involve adding an edge to the graph or removing one. You are assured that adding the given edges will not introduce cycles in the graph. Your task is to answer the queries which ask you to find the number of ways the graph can be coloured using K colours suc

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solution.cppC++17

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