What wrong with my code? It is work all right though it show error !!!!!!

Question

int main() {
char a[20];
//type anything you thinking about now ?
gets(a);
printf ("you are thinking now about this 🔻 \n");
puts(a);

}

Answer 1

- you need to add " return 0 ;" at the end,
since you are using "int main(){}"
- you are using gets(), it's dangerous because of buffer overflow. the compiler is warning you.