Convert Integer to String

#include <stdio.h>
#include <stdint.h>

void print_integer_as_string(int num) {

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

    // Your logic here
    if (num < 0) {
        printf("- ");
        num *= -1;
    }

    uint8_t stack[20]; // digits
    uint8_t i = 0;
    
    while (num) {
        uint8_t digit = num % 10;
        num /= 10;
        stack[i++] = digit;
    }

    i--;

    for (i; i < 20; i--) {
        printf("%d ", stack[i]);
    }

}

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