Recursive function to check if all digits in an int variable are even

c, recursion

Solution

You should write it down this way to compile the code:

void allEven(int number, int *result)
{
    if ((number % 10) % 2) // if the last digit is odd
    {
        *result = 0;
    }
    else
    {
        *result = 1;
        if ((number / 10) != 0) //not the last digit to evaluate, we call the function again.
        {
            allEven((number / 10), result);
        }
    }
}
int main()
{
    int num;
    int result;
    printf("Enter a number: ");
    scanf("%d", &num);
    allEven(num, &result);
    printf("allEven(): %d", result);

}

1) "int* result" replace with "int result"

2) "allEven((number/10), &result)" call in main() replace with allEven((number/10), result)

3) you missed a brace in allEven function

Problem

Original source