C语言编程问题求解答

#include <stdio.h>
int main()
{
    int type[] = {100, 50, 20, 10, 5, 1}, nu = 6;
    int cash, i;
    scanf("%d", &cash);
    for (i = 0; i < nu; ++i)
    {
        printf("%d\n",cash / type[i]);
        cash %= type[i];
    }
    return 0;
}