林宇翔

1. #include <iostream>
   
2. #include <cstdlib>
   
3. #include <ctime>
   
4. using namespace std;
   
5. 
   
6. int main()
   
7. {
   
8.     re:
   
9.     double c;
   
10.     int sec;
    
11.     cout << "請輸入要數的秒數:" ;
    
12.     cin >> sec;
    
13.     sec = sec*1000;
    
14.     clock() == 0;
    
15.     for(int i = 0;i<=sec;i++)
    
16.     {
    
17.     c = clock();
    
18.     cout << c/1000 << endl;
    
19.     system ("cls");  
    
20.     if(clock() >= sec)
    
21.     break;      
    
22.     }
    
23.     cout << "Time's up we run  "<<sec/1000 <<"seconds" << endl;
    
24.     system("pause");
    
25.     system("cls");
    
26.     goto re;
    
27.     return 0;
    
28. }

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