Convert Integer to String

#include <stdio.h>

void print_integer_as_string(int num) {
    // Your logic here

    int negative = 0;
    int strnum[100];
    int index = 0;

    if(num == 0)
    {
        printf("0");
        return;
    }

    if(num < 0)
    {
        negative = 1;
        num *= (-1);
    }
    
    while(num>0)
    {
        strnum[index++] = num%10 + '0';
        num /= 10;
    }

    if(negative)
    {
        strnum[index++] = '-';
    }
    for(int i = index-1;i>=0;i--)
    {
        printf("%c ",strnum[i]);
    }
}

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