cpp1.cpp

杭电 acm部分代码 有兴趣的可以下载 谢谢

#include <iostream>
using namespace std;
int main()
{
	int a, b, c, x, y;
	while (cin >> a >> b)
	{
		c = 0;
		while (a)
		{
			x = a % 10, a /= 10, y = b;
			while (y)
			{
				c += y % 10 * x, y /= 10;
			}
		}
		cout << c << endl;
	}
	return 0;
}