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  1. #include <iostream>
  2. using namespace std;
  3.  
  4.  
  5. long long factorial (int a) {
  6.     if (a == 0)
  7. 		return 1;
  8. 	else
  9. 		return a*factorial(a - 1);
  10. }
  11.  
  12. int main() {
  13. 	long long n;
  14. 	int a;
  15. 	cin >> n;
  16. 	cout << factorial(n);
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 4396KB
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stdin 
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stdout 
2432902008176640000
https://ideone.com/tbnzrw
факториал рекурсия
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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