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

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