ЯП 1 лаба

#include <stdio.h>


int main()
{
    int m, n;
    float answer = 0;
    printf("%s", "Enter m:\n");
    scanf("%d", &m);
    printf("%s", "Enter n:\n");
    scanf("%d", &n);
    answer = ((float)(factorial(m) + factorial(n)) / (float)factorial(m + n));
    printf("%s%lf", "Answer: ", answer);

    return 0;
}

int factorial(int i)
{
    if (i <= 1)
        return 1;
    else
        return i * factorial(i - 1);
}