#include <iostream>
#include <vector>
using namespace std;
static int num = 0;
struct Donation {
string name ;
double money = 0;
};
int avg(int &a,int b) {
return 2 * a * b / (a + b);
}
void input(vector<double> &score) {
cout << "请输入10个成绩(最多十个):";
while (cin >> score[num] && score[num] != 0) {
num++;
if (num == 10) break;
}
}
void showScore(const vector<double> score) {
for (auto a : score) {
cout << a << " ";
}
cout << endl;
}
double showAvg(const vector<double> score) {
double sum = 0;
for (auto a : score) {
sum += a;
}
return sum / num;
}
int main(){
vector<double> score(10,0);
input(score);
cout << "所有的成绩为:" << endl;
showScore(score);
cout << "平均成绩为:" << showAvg(score) << endl;
return 0;
}