Convert Integer to String

#include <stdio.h>

void print_integer_as_string(int num) {
    // Your logic here
    if(num==0){
        printf("0");
        return;
    }
    if(num < 0){
        printf("- ");
        num = -num;
    }
    char str[100];
    int i = 0;
    while(num){
        str[i++] ='0'+ (num % 10) ;
        num/=10;
    }
    for(int j = i-1;j>=0;j--){
        printf("%c ",str[j]);
    }
}

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