Given an array in such a way that the elements stored in array are in increasing order initially and then after reaching to a peak element , elements stored are in decreasing order. Find the highest element.
The first line of input contains an integer T denoting the number of test cases. The first line of each test case consists of an integer n. The next line consists of n spaced integers.
Print the highest number in the array.
1 2 3 4 5 6 5 4 3 2 1
1 2 3 4 5
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