董宸佑

1. #include<cstdlib>
   
2. #include<iostream>
   
3. #include<ctime>
   
4. using namespace std;
   
5. int main()
   
6. {
   
7.     string str1="Good morning!";;
   
8.     char str2[]="Good morning!";
   
9.     cout<<str1<<endl;
   
10.     cout<<str2<<endl;
    
11.     cout<<str1[3]<<endl;
    
12.     cout<<str2[7]<<endl;
    
13.     system("pause");
    
14.     return 0;   
    
15. }

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