#include <iostream>
#include <array>
using namespace std;
int main(void)
{
int i = 0;
double sum = 0.0;
array<double, 10> num;
//while(cin >> num[i] && i<10)
while(i < 10 && cin >> num[i])
{
sum += num[i];
++i;
}
cout << sum << endl;
cout << sum / (i + 1) << endl;
return 0;
}
#include <iostream>
#include <vector>
using namespace std;
int main(void)
{
int i = 0;
double sum = 0.0;
vector<double> num(10);
while(i < 10 && cin >> num[i])
{
sum += num[i];
i++;
}
cout << sum << endl;
cout << sum / (i + 1) << endl;
return 0;
}
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