蔡昀佑

1. #include<iostream>
   
2. #include<cstdlib>
   
3. using namespace std;
   
4. int main()
   
5. {
   
6.     char string[50];
   
7.     cout<<"請輸入要轉換的英文字(50字以內)"<<endl;
   
8.     cin.getline(string,50);
   
9.     strlwr(string);
   
10.     cout<<"轉換大寫:"<<string<<endl;
    
11.     strupr (string);
    
12.     cout<<"轉換小寫:"<<string<<endl;
    
13. system("pause");
    
14. return 0;
    
15. }

複製代碼