#include <iostream>

#include <string>

#include <stdlib.h>

using namespace std;

int main()

{

string name;

cout<<"請輸入姓名:";

getline(cin,name);

if(name.empty())

{

cout<<"輸入為空"<<endl;

system("pause");

return 0;

}

if(name == "imooc")

{

cout<<"you are a administrator"<<endl;

}

cout<<"hello "+ name<<endl;

cout<<"名字首字母是："<<name[0]<<endl;

cout<<"名字的長度是："<<name.size()<<endl;

system("pause");

return 0;

}