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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. int num,fact=1;
  6.  
  7. cout<<"Enter a number: ";
  8. cin>>num;
  9.  
  10. while(num!=0){
  11.     fact=fact*num;
  12.     num--;
  13. }
  14. cout<<"Its factorial is equal to "<<fact;
  15.  
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 16064KB
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Standard input is empty
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Enter a number: Its factorial is equal to 1
https://ideone.com/hqrNXX
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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