What does this function do? (Hint: trace it for some input, for example a=[3,4,2,8,6,9,0] and n=7, to understand what it does) int fun(int a[], int n) { int x; if(n == 1) return a[0]; else x = fun(a, n-1); if(x > a[n-1]) return x; else return a[n-1]; }