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 buf[16];
    int i = 0;
    if(num < 0){
       printf("- ");
       num = -num;
    }

    while(num > 0){
        buf[i++] = (char)(num % 10 + 48);
        num /= 10;
    }
    for(int j = i; j > 0; j--){
        printf("%c ", buf[j-1]);
    }

}

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