Convert Integer to String

#include <stdio.h>

void print_integer_as_string(int num) {
    // Your logic here
    if (num == 0) {
        printf("0");
        return;
    }
    char buffer[12];
    int index = 0;
    int is_negative = 0;

    if (num < 0) {
        is_negative = 1;
        num = -num;
    }
    while (num > 0) {
        buffer[index] = '0' + (num % 10);
        num = num / 10;
        index++;
    }
    if (is_negative) {
        buffer[index] = '-';
        index++;
    }
    for (int i = index - 1; i >= 0; i--) {
        printf("%c", buffer[i]);
        if (i > 0) {
            printf(" ");
        }
    }
}

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