Convert Integer to String

Code

#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 is_negative = 0;

    if(num < 0)
    {
        is_negative = 1;
        num = -num;
    }

    // Convert digits in reverse
    while(num > 0)
    {
        buffer[i++] = (num % 10) + '0';
        num /= 10;
    }

    if(is_negative)
    {
        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;
}

Solving Approach