up在線求助！
#include<iostream>
int d(int x,int y,int z);?
using namespace std;
int main(void)
{
? ? int a;
? ? int b;
? ? int c;
//int y;
cout<<"輸入三邊長(zhǎng)以判斷："<<endl;
cin>>a>>b>>c;
//cin>>y;
cout<<"" <<endl;?
d(a,b,c);
}
int d(int x,int y,int z)
{
if (x*x+y*y=z*z)
{
cout<<x*y/2<<endl;
}
else if (x^2+z^2=y^2)
{
cout<<x*z/2<<endl;
}
else if (y^2+z^2=x^2)
{
cout<<y*z/2<<endl;
}
else
{
cout<<"這不是直角三角形！"<<endl;?
}
}
標(biāo)簽：
