Factorial of a Number in C++

 This program calculates the factorial of a given positive integer.

#include <iostream>

int main() {

    int n;

    std::cout << "Enter a positive integer: ";

    std::cin >> n;

    unsigned long long factorial = 1;

    for(int i = 1; i <= n; ++i) {

        factorial *= i;

    }

    std::cout << "Factorial of " << n << " = " << factorial << std::endl;

    return 0;

}

Factorial of a Number in C

This program calculates the factorial of a given positive integer.

#include <stdio.h>

 int main() {

    int n, i;

    unsigned long long factorial = 1;

    printf("Enter a positive integer: ");

    scanf("%d", &n);

    for(i = 1; i <= n; ++i) {

        factorial *= i;

    }

    printf("Factorial of %d = %llu\n", n, factorial);

    return 0;

}

Factorial of a Number in Python

This program calculates the factorial of a given positive integer.

n = int(input("Enter a positive integer: "))

factorial = 1

for i in range(1, n + 1):

    factorial *= i

print(f"Factorial of {n} = {factorial}")