ofx

#include <math.h>
#include <stdio.h>
 
int S[] = {-7, -3, -2, 5, 8};
 
int main()
{
    unsigned int i, n, a, j, nn, ui;
    n = pow(2, sizeof(S) / sizeof(int)) - 1;
    ui = sizeof(S) / sizeof(int);