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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.  
  6. 	int tab[101];
  7. 	int i = 0;
  8. 	do {
  9. 		cin >> tab[i];
  10. 		i++;
  11. 	}while(tab[i-1]!=-1);
  12. 	i--;
  13. 	if(i%2!=0) {
  14. 		cout << tab[i/2];
  15. 	}
  16. 	else if(i%2==0) {
  17. 		cout << (tab[i/2-1] + tab[i/2]) / 2.0;
  18. 	}
  19. 	return 0;
  20. }
Success #stdin #stdout 0.01s 5280KB
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stdin
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2 4 6 -1
stdout
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4
https://ideone.com/L1Tv1V
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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