陳宥穎

1. #include<iostream>
   
2. #include<cstdlib>
   
3. #include<string>
   
4. using namespace std;
   
5. int main()
   
6. {   
   
7.     string str="abcdefghijklmnopqrstuvwxyz";
   
8.     cout<<str.substr(7,1)<<endl;
   
9.     cout<<str.substr(0,1)<<endl;
   
10.     system("pause");
    
11.     return 0;   
    
12. }

複製代碼