Simple Example Program for Function to Find Factorial In C++


Definition

A function is like a black box. It takes in input, does something with it, then spits out an answer.

Syntax

return_type function_name(argumnent)
{
 // body Of the Function
}

Simple Example Program Of Function Find Factorial Number

/*  Example Program For Simple Example Program Of Function Find Factorial Number In C++
    little drops @ thiyagaraaj.com

    Coded By:THIYAGARAAJ MP             */

#include<iostream>
#include<conio.h>

using namespace std;

// Simple factorial Function
int factorial(int var) {
    int fact = 1;
    for (int i = 1; i <= var; i++)
        fact = fact * i;
    return fact;
}

int main() {
    cout << "5 Factorial Number :" << factorial(5);
    getch();
    return 0;
}

Sample Output

5 Factorial Number :120