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c++ factorial Code Example
c++ factorial 
#include <cmath>

int fact(int n){
    return std::tgamma(n + 1);  
}    
// for n = 5 -> 5 * 4 * 3 * 2 = 120 
//tgamma performas factorial with n - 1 -> hence we use n + 1
built in factorial function in c++ 
int factorial(int n)
{
  return (n == 1 || n == 0) ? 1 : factorial(n - 1) * n;
}
Source: www.cplusplus.com
FACTORIAL IN C++ 
#include <iostream>  
using namespace std;  
int main()  
{  
   int i,fact=1,number;    
  cout<<"Enter any Number: ";    
 cin>>number;    
  for(i=1;i<=number;i++){    
      fact=fact*i;    
  }    
  cout<<"Factorial of " <<number<<" is: "<<fact<<endl;  
  return 0;  
}



Cpp

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Sub Category:
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