// first
int Func(int &arg){
// ...
}
// second
int Func(int arg){
// ...
}
void
main() {
// remainder
int n = 10;
// which would be called? first or second?
int rtn = Func(n);
// remainder
}
Thank you for giving assistance.

have you tried compiling it first?

C++ 的 main 函式傳回型別不可以是 void XD然後我的意見也是一樣，請自己編譯過再來問。

其實我感覺他是來洗文章的 (小聲