蓝桥杯算法训练VIP-阿尔法乘积 （C语言代码）

#include "stdio.h"

int fun(unsigned int n)

{

int t=1,s=1;

if (n / 10 == 0)

return n;

else

{

do

{

t = n % 10;

if (t != 0)

{

s *= t;

}

n /= 10;

} while (n != 0);

return fun(s);

}

}

int main()

{

unsigned int n;

scanf("%d", &n);

printf("%d", fun(n));

    return 0;

}