Connected Components

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Given a undirected graph find the number of connected components. Input First line of the input is 't'- number of test case. Followed by N, the number of vertices (Numbered 0 to N-1). Followed by 'e' number of edges. Followed by description of 'e' edges in the form 'a b' I.e. an edge exist between vertex a and b. Constraints: T=10 2 Output One line per test case, number of connected componen

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solution.cppC++17

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