中点坐标

#include"stdio.h"
struct Student
{
int heng;
int zong;
}aaa[2];
int main()
{
for(int i=0;i<2;i++)
{
        scanf("%d",&aaa[i].heng);
scanf("%d",&aaa[i].zong);
}
double heng1,zong1;
heng1=(aaa[0].heng+aaa[1].heng)/2.0;
zong1=(aaa[0].zong+aaa[1].zong)/2.0;
printf("%0.1f %0.1f\n",heng1,zong1);
return 0;
}