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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n, k;
  6. 	double waterPerTree = 0;
  7. 	cin >> n;
  8. 	int days = 0;
  9. 	while(waterPerTree <= 0.5) {
  10. 		waterPerTree += (double) 1 / (n - days++);
  11. 	}
  12. 	k = n - days +1;
  13. 	cout << k;
  14. 	return 0;
  15. }
Success #stdin #stdout 0s 5284KB
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19874
https://ideone.com/ALUbZq
language:
C++ (gcc 8.3)
created:
106 days ago
visibility:
public

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