// 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 函式传回型别不可以是 void XD然后我的意见也是一样，请自己编译过再来问。

其实我感觉他是来洗文章的 (小声