Calculate the factorial of a number with C.

#include <stdio.h>

int main()
{
    int i, num;
    long long fact = 1;

    printf("Enter any number to calculate factorial: ");
    scanf("%d", &num);
    for (i = 1; i <= num; i++)
    {
        fact = fact * i;
    }

    printf("Factorial of %d = %llu", num, fact);

    return 0;
}

output:-

Enter any number to calculate factorial : 5
Factorial of 5 = 120