楊芊琦

1. #include<iostream>
   
2. #include<cstdlib>
   
3. #include<ctime>
   
4. using namespace std;
   
5. 
   
6. int main()
   
7. {
   
8.     int num1, num2;
   
9.     int in,wer;
   
10.     srand(time(NULL));
    
11.     num1 = rand() % 48 + 51;
    
12.     num2 = rand() % 48 + 51;
    
13.     wer = num1 + num2;
    
14.     cout << num1 << " + " << num2 << " = ?" << endl;
    
15.     cin >> in;
    
16.     if (in != wer)
    
17.         cout << "答錯了!本題花了" << clock() << "毫秒的時間思考" << endl;
    
18.     else
    
19.         cout<< "答對了!本題花了" << clock() << "毫秒的時間思考" << endl;
    
20.     system("pause");
    
21.     system("cls");
    
22.     return 0;
    
23. }

複製代碼