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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	double sum = 0.0, number = 0.0, x;
  6. 	while ((cin >> x) && (x >= 0)) {
  7. 		sum += x;	// Накапливаем сумму
  8. 		number++;	// Накапливаем количество
  9. 	}
  10. 	cout << sum/number;	// Возвращаем среднее арифметическое
  11. 	return 0;
  12. }
Success #stdin #stdout 0s 3476KB
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1.5 2.4 3 3.8 -7.5 11 0
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2.675
https://ideone.com/qAlcqz
А165 в)
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
secret

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