#include <iostream>
using namespace std;
int main()
{
double score[3];
double sum = 0;
for(int i = 0 ; i < 3 ; ++)
{
cout<<"please input score "<<i+1<<":";
cin>>score[i];
sum += score[i];
}
double average = sum/3.0;
cout<<"total score:"<<sum<<endl<<"avverage score:"<<average<<endl;
return 0;
}
有问题欢迎追问