大数乘c++
#include<iostream>
using namespace std;
int cheng(int x,int y)
{
int sum;
sum=x*y;
return sum;
}
double cheng(double x,double y)
{
double sum;
sum=x*y;
return sum;
}
int main()
{
double x,y;
cin>>x>>y;
if(x==(int)x && y==(int)y)
cout<<cheng((int)x,(int)y);
else
cout<<cheng(x,y);
}
本文来自博客园,作者:JackieDYH,转载请注明原文链接:https://www.cnblogs.com/JackieDYH/p/17635022.html