ME AND MY THREE FRIEND

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Suppose you asked your three friends to choose some integer numbers from $1$ to $N$ . They have their lucky number $a1,a2,a3$ . Now think that they have submit all numbers that can be represented as a multiple of his lucky number. Can you tell me the total number of number that all of your three friends submitted. ###INPUT: - First line contains $T$ number of test case - $N$ the range of n

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solution.cppC++17

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