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Make a Permutation

CodeChefRating 1357Open on judge ↗

You are given an integer sequence $A$ with length $N$. In one move, you are allowed to choose one element of this sequence and change it to an arbitrary integer. Compute the minimum number of moves needed to make the sequence a permutation of the integers $1$ through $N$. ### Input - The first line of the input contains a single integer $T$ denoting the number of test cases. The description of

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solution.cppC++17

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