Question

Input:
The first line of the input contains an integer T, denoting the total
number of test cases, Then T test cases follow. Each test case
consists of three lines. First line of each test case contains an
integer N denoting the size of the given array, Second line of eac
test case contains N space separated integers denoting the
0
elements of the array A, Third line of each test case contains an
integer K denoting the element to be searched in the array
Output
Corresponding to each test case, output the index of the element
found in the array. If element is not present, then output -1.​

Answer 1

Answer:

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