Convert Integer to String

Code

#include <stdio.h>

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

    if(num<10) {
        printf("%d ",num%10);
        return;
    }
    print_integer_as_string(num/10);
    printf("%d ", num%10);
}

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

Solving Approach