#include <iostream.h>

int fact (int i) {
int result = 1;
while (i > 0) {
result = result * i;
i = i-1;
}
return(result);
}

int main () {
int n;
cout << “Enter a natural number: “;
cin >> n;
while (n < 0) {
cout << “Please re-enter: “;
cin >> n;
}
cout << n << “! = ” << fact(n) << endl;
return(0);
}

• Pin It
• Share
• Tweet

Be Sociable, Share!

• 

Related posts:

1. Sample program (multiplication using addition)
2. Sample – Fibonacci numbers
3. Sample – count number of characters and lines in a file
4. Stereo FM Transmitter Using I.C – BH1417

Tagged as: c programming examples, c programming reference, c tutorial, c++ program examples, C++ Programming, factorial, learning c++, programming languages, programming languages c, Sample - factorial, sample c++ programs