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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int n;
  6.     long long factorial = 1;
  7.  
  8.     cout << "Enter a positive integer: ";
  9.     cin >> n;
  10.  
  11.     if (n < 0) {
  12.         cout << "Factorial is not defined for negative numbers." << endl;
  13.     } else {
  14.         for (int i = 1; i <= n; i++) {
  15.             factorial *= i;
  16.         }
  17.         cout << "Factorial of " << n << " = " << factorial << endl;
  18.     }
  19.  
  20.     return 0;
  21. }
  22.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin 
Standard input is empty
stdout 
Enter a positive integer: Factorial of 21888 = 0
https://ideone.com/h3woLp
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

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