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One Two Three

You are given a sequence made up of 1,2&3 , of length up to 1000. Find the minimum number of exchanges 'X' to put the sequence in sorted order. Input First line contains the number of test cases T. Following T lines has a number N, which denotes the size of the sequence S. Following N integers are the values of the sequence S. T N1 S0 S1... SN1 N2 S0 S1....SN2 Output For each test case,

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solution.cppC++17

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