張郁偵

1. #include<iostream>
   
2. #include<cstdlib>
   
3. using namespace std;
   
4. int main ()
   
5. {
   
6.     int total = 0;
   
7.     int max;
   
8.     cout<<"輸入最大值:";
   
9.     cin>>max;
   
10.     for (int i = 1; i <= max; i++)
    
11.     {
    
12.     total = total + i;
    
13.     }
    
14.     cout << "1~"<<max<<"的總和等於:" << total << endl;
    
15.    
    
16.     system ("pause");
    
17.     return 0;
    
18. }

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