Convert Integer to String

#include <stdio.h>

void print_integer_as_string(int num) {
    // Your logic here
    char arr[20];
    int i = 0;

    if(num == 0)
    {
        printf("0");
        return;
    }

    if(num < 0)
    {
        printf("- ");
        num = -num;
    }

    while(num > 0)
    {
        int digit = num % 10;
        arr[i++] = digit + '0';
        num = num / 10;
    }

    for(int j = i-1; j >= 0; j--)
    {
        printf("%c ", arr[j]);
    }
}

int main() {
    int num;
    scanf("%d", &num);
    print_integer_as_string(num);
    return 0;
}