117. Convert Integer to String

#include <stdio.h>

void print_integer_as_string(int num) {
    char bits[12];
    int i = 0;
    int isNegative = 0;

    if(num == 0) {
        printf("0");
        return ;
    }
    if(num < 0) {
        isNegative = 1;
        num = -num;
    }
    while(num) {
        bits[i++] = (num % 10) + '0';
        num = num / 10;
    }
    bits[i] = '\0';
    if(isNegative) { printf("- ");}
    for(int k = i - 1; k>=0; k--) {
        printf("%c ", bits[k]);
    }
}

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