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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	unsigned int i, n;
  6. 	cin>>n>>i;
  7. 	if (i<=n) {
  8. 		double a, s, a_m;
  9. 		for (int j = 0; j < n; j++) {
  10. 			cin>>a;
  11. 			if (j != i) {s+=a;}
  12. 		}
  13. 		a_m = s/(n-1);
  14. 		cout<<"Ответ: "<<a_m;
  15. 	}
  16. 	else {cout<<"Условие задачи не выполнено";}
  17. }
Success #stdin #stdout 0s 3416KB
comments (?)
stdin 
5 2 10 20 20 30 40
stdout 
Ответ: 25
https://ideone.com/URjsSJ
Среднее арифметическое
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
secret

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