fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int factorial (int num1)  //counts the factiorial
  5. {
  6.         if (num1==0)
  7.         {
  8.            return 1;
  9.            //cout << "The factiorial given number "<<num1<< " is: "<<factorial<<endl;
  10.         }
  11.         else
  12.         {
  13.            //result = 1;
  14.            //factorial = 1;
  15.            //for (i = 1; i <= num1; i++)
  16.            return num1 * factorial(num1 - 1);
  17.            //cout << "The factiorial given number "<<num1<< " is: "<<result<<endl;
  18.         }
  19. }
  20.  
  21. int main()
  22. {
  23. 	int num1 =5;
  24. 	cout << "Enter the number ";
  25.    	cin >> num1; // wczytujemy liczbę
  26.    	cout << "The given numer is : " <<num1 <<endl;
  27.  
  28. 	if (num1 >= 0) // factorial conditions, number must be positive (+)
  29.    	{
  30. 		//cout << "The given number is positive I will count the factiorial ;)"<<endl;
  31. 		cout << "The given number "<<num1<<" is positive I will count the factiorial ;)"<<endl;
  32. 	}
  33.    	else
  34.   	{
  35.       		//cout << "The given number is negative I will not count the factiorial ;("<<endl;
  36. 		cout << "The given number "<<num1<<" is negative I will not count the factiorial ;("<<endl;
  37.    	}
  38. 	//cout << "The factiorial given number "<<num1<< " ! is: "<<factorial(mum1)<<endl;
  39. 	cout << "The "<<num1<<"! factiorial is: "<<factorial(num1)<<endl;
  40. }
Success #stdin #stdout 0s 16064KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Enter the number The given numer is : 5
The given number 5 is positive I will count the factiorial ;)
The 5! factiorial is: 120
https://ideone.com/mq1ydy
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!