For each case, the first line of the input contains an integer number N representing the quantity of numbers in this array(1≤N≤1000). Next N lines contain N integer numbers(one number per each line) of the original array.
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For each case, the first line of the input contains an integer number N representing the quantity of numbers in this array(1≤N≤1000). Next N lines contain N integer numbers(one number per each line) of the original array.
For each case ,outtput file should contain at most N numbers sorted in ascending order. Every number in the output file should occur only once.
6 8 8 7 3 7 7
3 7 8
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