Question: Input The first line will contain only one integer T - the number of test cases. Each test case will start with one line contain

 Input The first line will contain only one integer T -

Input The first line will contain only one integer T - the number of test cases. Each test case will start with one line contain only one integer n (1sns 105) - the number of piles. The second line will contain n integers 31, 32,...,n (13;

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