117. Convert Integer to String

#include <stdio.h>

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

    char digits[] = "0123456789";
    char placement[16];
    int i = 0;
    if (num < 0) {
        printf("- ");
        num = -num;
    }
    while (num > 0) {
        placement[i++] = digits[num % 10];
        num = num / 10;
    }
    for (i--; i >= 0; i--) {
        printf("%c ", placement[i]);
    }
}

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