各位数字积 cpp
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#include <iostream>
#include <cmath>
using namespace std;
int p(int n)
{
int r = 1;
while (n > 0)
{
r *= n % 10;
n /= 10;
}
return r;
}
int main() {
int r;
cout << "输入一个数字";
cout << endl;
cin >> r;
cout << endl;
r = p(r);
cout << r;
cout << endl;
return 0;
}
Cpp
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