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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. long double factorial(unsigned n) {
  5. 	if (n == 0) return 1;
  6. 	long double result = n;
  7. 	while (n --> 1) {
  8. 		result *= n;
  9. 	}
  10. 	return result;
  11. }
  12.  
  13. int main() {
  14. 	unsigned n;
  15. 	cin >> n;
  16. 	while (n >= 0) {
  17. 		cout << n << "! = " << factorial(n) << endl;
  18. 		cin >> n;
  19. 	}
  20. }
Time limit exceeded #stdin #stdout 5s 3300KB
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stdin
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0
1
2
3
4
5
100
-1
stdout
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0! = 1
1! = 1
2! = 2
3! = 6
4! = 24
5! = 120
100! = 9.33262e+157
https://ideone.com/PKbj7X
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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