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c_cpp
2 years ago
625 B
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#include <iostream>
using namespace std;
#pragma warning(disable : 4996);
int main()
{
setlocale(LC_ALL, "Russian");
int n = 0;
int a;
double sum = 0;
int count = 0;
double sred = 0;
cout << "1 - поставить новую оценку" << endl;
cout << "2 - вывести средний былл" << endl;
cout << "3 - выйти из дневника" << endl;
while (n != 3){
cin >> n;
switch (n) {
case 1:
cin >> a;
count += 1;
sum += a;
break;
case 2:
sred = sum / count;
cout << sred << endl;
break;
case 3:
return 0;
}
}
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