x[] = {1,2,3,4,5,6,7,8}
for (i=2; i<6; ++i)
x[x[i]]=x[i];
i= 2,
x[ x[2] ] = x[ 2]
x[ 3 ] = 3
i= 3,
x[ x[3] ] = x[ 3]
x[ 3 ] = 3 // see for i=2
i= 4,
x[ x[4] ] = x[ 4 ]
x[ 5 ] = 5
i= 5,
x[ x[5] ] = x[ 5 ]
x[ 5 ] = 5 // see for i=4
Hence array x[] = { 1, 2, 3, 3, 5, 5, 7, 8}
Ans- A