何權晉

1. #include <iostream>
   
2. using namespace std;
   
3. int main()
   
4. {
   
5. int i=1;
   
6. while(i<=20)
   
7. {
   
8. cout<<i<<endl;
   
9. i++;
   
10. }
    
11. system("pause");
    
12. return 0;
    
13. }

複製代碼