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built in factorial function in c++ 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



Cpp

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Type:
 Code Example
Category:
 Coding
Sub Category:
 Code Example
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Horje