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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7. 	while (true) {
  8. 		double x;
  9. 		cin >> x;
  10. 		if (x == 0) break;
  11. 		double sum = 0;
  12. 		int cards = 0;
  13. 		while (sum < x) {
  14. 			cards++;
  15. 			sum += 1.0/(cards + 1);
  16. 		}
  17. 		cout << cards << " " << "card(s)" << endl;
  18. 	}
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 4348KB
comments (?)
stdin
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1.00
3.71
0.04
5.19
0.00
stdout
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3 cars(s)
61 cars(s)
1 cars(s)
273 cars(s)
https://ideone.com/FMWRRE
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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