如题所述
第1个回答 2021-09-10
#include<iostream>
using namespace std;
void area(double *s, double a, double b, double h)
{
*s = (a+b)*h/2;
}
int main()
{
double a, b, h;
double s;
cin >> a >> b >>h;
area(&s, a, b, h);
cout << s << endl;
return 0;
}
using namespace std;
void area(double *s, double a, double b, double h)
{
*s = (a+b)*h/2;
}
int main()
{
double a, b, h;
double s;
cin >> a >> b >>h;
area(&s, a, b, h);
cout << s << endl;
return 0;
}