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2010年4月6日 星期二

用 C/C++算上學期加權平均

用 C/C++算上學期加權平均

54 則留言:

  1. #include <iostream>
    using namespace std;
    int main(){....}

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  2. #include
    using namespace std;
    int main()
    {
    int t[12]={87,82,83,60,72,75,63,69,68,76,88,81};
    int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
    int cc=21;
    int sum=0;
    float average;
    for (int i=0;i<12;i++)
    {
    sum+=t[i]*c[i];
    }
    cout<<sum<<endl;
    average=(float)sum/21;
    cout<<average;
    system("Pause");
    return 0;
    }

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  3. #include <iostream>
    using namespace std;
    int main()
    {
        int t[12]={82,60,85,49,63,80,82,97,85,86,80,72};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0;i<12;i++)
            sum+=t[i]*c[i];
        cout<<sum<<"\n";
        average=(float)sum/cc;
        cout<<average;
        system("Pause");
        return 0;
    }

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  4. #include <iostream>

    using namespace std;

    int main()

    {

        const int n=12;

        int t[n]={82,70,85,76,79,97,85,96,76,87,93,88};

        int c[n]={0,2,0,2,2,3,3,3,3,3,0,0};

        int cc=21;

        int sum=0;

        float average;

        for(int i=0;i<12;i++)

        {

         sum+=t[i]*c[i];

        }

        cout<<sum<<endl;

        average=(float)sum/cc;

        cout<<average;

        system("pause");

        return 0;
    }

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  5. #include <iostream>
    using namespace std;
    int main()
    {
        int t[12]={82,66,80,77,83,76,81,76,83,85,82,71};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0;i<12;i++)
             sum+=t[i]*c[i];
        cout<<sum<<endl;
        average=(float)sum/cc;
        cout<<average;
        system("Pause");
        return 0;
    }

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  6. #include
    using namespace std;
    int main()
    {
    int t[12]={84,81,71,60,80,92,68,72,64,71,84,74};
    int c[12]={ 0, 2, 0, 2, 2, 3, 3, 3, 3, 3, 0, 0};
    int cc=21;
    int sum = 0;
    float average;
    for(int i=0; i<12;i++)
    {
    sum+=t[i]*c[i];
    }
    cout<<sum<<endl;
    average=(float)sum/21;
    cout<<average;
    system("pause");
    return 0;
    }

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  7. #include
    using namespace std;
    int main()
    {
    int t[12]={87,69,80,74,78,98,81,83,69,85,82,70};
    int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
    int cc=21;
    int sum=0;
    float average;
    for (int i=0;i<12;i++)
    {
    sum+=t[i]*c[i];
    }
    cout<<sum<<endl;
    average=(float)sum/21;
    cout<<average;
    system("pause");
    return 0;
    }

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  8. #include <iostream>
    using namespace std;
    int main()
    {
        const int n=12;
        int t[n]={84,61,82,78,79,76,64,81,78,90,90,74};
        int c[n]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
        for (int i=0;i<12;i++)
        {
         sum+=t[i]*c[i];   
        }
        cout<<sum<<endl;
        average=(float)sum/cc;
        cout<<average;
        system("pause");
        return 0;
    }

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  9. #include <iostream>
    using namespace std;
    int main()
        int t[12]={60,61,60,34,86,84,47,41,64,80,46,49}
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0; i<12 ;i++)
        {
        sum+=t[i]*c[i];
        }
       
        cout<<sum<<endl;
        average=(float)sum/cc;
        cout<<average;
       
        system("Pause");
        return 0;
       
    }

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  10. #include <iostream>

    using namespace std;

    int main()

    {

        const int n=12;

        int t[n]={87,70,81,73,72,95,82,94,84,80,89,75};

        int c[n]={0,2,0,2,2,3,3,3,3,3,0,0};

        int cc=21;         

        int sum=0;

        float average;   

        for(int i=0;i<12;i++)

        {

         sum+=t[i]*c[i];
        }
        cout<<sum<<endl;    
        average=(float)sum/cc;

        cout<<average;    
        system("pause");

        return 0;
    }

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  11. #include
    using namespace std;
    int main()
    {
    int t[12]={82,75,80,84,75,74,65,75,74,80,91,75};
    int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
    int cc=21;
    int sum=0;
    float average;
    for (int i=0;i<12;i++)
    {
    sum+=t[i]*c[i];
    }
    cout<<sum<<endl;
    average=(float)sum/21;
    cout<<average;
    system("pause");
    return 0;
    }

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  12. #include <iostream>
    using namespace std;
    int main ()
    {
        int t[12]={81,68,83,89,82,81,76,80,77,84,83,72};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for(int i=0; i<12; i++)
        {
        sum+=t[i]*c[i];
        }
        cout<<sum<<endl;
        average= (float)sum/cc;
        cout<<average;
       
        system("pause");
        return 0 ;
    }

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  13. #include<iostream>
    using namespace std;
    int main()
    {
        int t[12]={82,65,85,60,89,83,78,70,73,78,87,80};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
        for (int i=0;i<12;i++)
        {
            sum+=t[i]*c[i];
        }
        cout<<sum<<endl;
        average=(float)sum/cc;
        cout<<average;
        system("pause");
        return 0;
    }

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  14. #include <iostream>
    using namespace std;
    int main()
    {
        int t[12]={79,62,81,60,60,62,48,47,50,60,77,74};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0;i<12;i++)
             sum+=t[i]*c[i];
        cout<<sum<<endl;
        average=(float)sum/cc;
        cout<<average;
        system("Pause");
        return 0;
    }

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  15. #include <iostream>
    using namespace std;
    int main()
    {
        int t[12]={71,65,80,42,60,77,37,45,71,94,81,82};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0;i<12;i++)
             sum+=t[i]*c[i];
        cout<<sum<<endl;
        average=(float)sum/cc;
        cout<<average;
        system("Pause");
        return 0;
    }

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  16. #include <iostream>
    using namespace std;
    int main()
    {
        int t[12]={65,63,84,48,67,68,71,54,47,74,75,73};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0;i<12;i++)
             sum+=t[i]*c[i];
        cout<<sum<<endl;
        average=(float)sum/cc;
        cout<<average;
        system("Pause");
        return 0;
    }

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  17. #include <iostream>
    using namespace std;
    int main()
    {
        int t[12]={87,61,86,60,77,80,76,44,74,77,82,81};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0; i<12; i++)
        {
        sum+=t[i]*c[i];
        }
        cout<<sum<<endl;
        average= (float)sum/cc;
        cout<<average;
       
        system("pause");
        return 0 ;
    }

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  18. #include <iostream>
    using namespace std;
    int main()
    {
        int t[12]={71,65,80,42,60,77,37,45,71,94,81,82};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0;i<12;i++)
             sum+=t[i]*c[i];
        cout<<sum<<endl;
        average=(float)sum/cc;
        cout<<average;
        system("Pause");
        return 0;
    }

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  19. #include<iostream>
    using namespace std;
    int main( )
    {
        const int n=12;
        int t[n]={82,75,84,86,75,85,74,63,84,87,85,76};
        int c[n]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0; i<n; i++)
        {
            sum+=t[i]*c[i];
        }
        cout<<sum<<"\n";
        average=(float)sum/cc;
        cout<<average;
       
        system("pause");
        return 0;
    }

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  20. #include
    using namespace std;
    int main ()
    {
    int t[12]={77,73,80,69,79,70,60,66,57,88,80,82};
    int c[12]= {0,2,0,2,2,3,3,3,3,3,0,0};
    int cc=21;
    int sum=0;
    float average;
    for (int i=0;i<12;i++)
    {
    sum+=t[i]*c[i];
    }
    cout<<sum<<endl;
    average=(float)sum/21;
    cout<<average;
    system("pause");
    return 0;
    }

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  21. #include <iostream>
    using namespace std;
    int main ()
    {
        int t[12]={80,67,80,76,79,72,48,60,61,76,76,69};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0;i<12;i++)
        {
            sum+=t[i]*c[i];
        }
        cout<<sum<<endl;
        average=(float)sum/cc;
        cout<<average;
       
        system("pause");
        return 0;
    }

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  22. #include <iostream>
    using namespace std;
    int main()
    {
        int t[12]={81,68,88,74,76,75,80,67,73,84,90,83};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0; i<12; i++)
        {
        sum+=t[i]*c[i];
        }
        cout<<sum<<endl;
        average= (float)sum/cc;
        cout<<average;
       
        system("pause");
        return 0;
    }

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  23. #include <iostream>
    using namespace std;
    int main()
    {
        int t[12]={78,66,85,75,69,92,60,90,56,70,79,79};
        int c[12]={0,0,2,2,3,3,3,3,3,0,0,2};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0; i<12;i++)
        {
            sum+=t[i]*c[i];
        }
            cout<<sum<<endl;
            average=(float)sum/cc;
            cout<<average;
            system("pause");
            return 0;
    }

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  24. #include <iostream>
    using namespace std;
    int main ()
    {
        int t[12]={76,69,85,60,81,93,74,75,54,75,74,69};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0; i<12; i++)
        {
            sum+=t[i]*c[i];
        }
        cout<<sum<<endl;
        average=(float)sum/8;
        cout<<average;
       
        system("pause");
        return 0;
    }

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  25. #include <iostream>
    using namespace std;
    int main()
    {
        int t[12]={69,72,80,61,60,60,66,61,55,70,76,75};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0;i<12;i++)
             sum+=t[i]*c[i];
        cout<<sum<<endl;
        average=(float)sum/cc;
        cout<<average;
        system("Pause");
        return 0;
    }

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  26. #include <iostream>
    using namespace std;
    int main ()
    {
        int t[12]={78,67,85,65,68,73,67,88,65,66,67,80};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0;i<12;i++)
        {
            sum+=t[i]*c[i];
         }
        cout<<sum<<endl;
        average=(float)sum/cc;
        cout<<average;
       
        system("pause");
        return 0;   
    }

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  27. #include <iostream>
    using namespace std;
    int main ()
    {
        int t[12]={80,79,82,62,68,78,63,70,68,72,87,82};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0;i<12;i++)
        {
            sum+=t[i]*c[i];
        }
        cout<<sum<<endl;
        average=(float)sum/cc;
        cout<<average;
       
        system("pause");
        return 0;
    }

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  28. #include <iostream>
    using namespace std;
    int main()
    {
        const int n=12;
        int t[12]={87, 80, 89, 80, 81, 90, 77, 92, 76, 88, 91, 80};
        int c[12]={0, 2, 0, 2, 2, 3, 3, 3, 3, 3, 0, 0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0; i<12; i++)
        {
            sum+=t[i];
        }
        cout<<sum<<endl;
        average=(float)sum/12;
        cout<<average;
        system("pause");
        return 0;
    }

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  29. #include<iostream>
    using namespace std;
    int main()
    {
        const int n=12;
        int t[12]={82,72,90,87,83,93,83,83,76,84,88,69};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for(int i=0;i<12;i++)
        {
                sum+=t[i];
        }
        cout<<sum<<endl;
        average=(float)sum/12;
        cout<<average;
    system("Pause");
    return 0;
    }

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  30. #include
    using namespace std;
    int main()
    {
    const int n=12;
    int t[n]={75,73,80,60,70,85,67,60,57,75,81,76};
    int c[n]={0,2,0,2,2,3,3,3,3,3,0,0};
    int cc=21;
    int sum=0;
    float average;

    for (int i=0; i<n;i++)
    {
    sum+=t[i]*c[i];
    }
    cout<<sum<<endl;
    average= (float)sum/cc;
    cout<<average;

    system("pause");
    return 0;
    }

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  31. #include <iostream>
    using namespace std;
    int main()
    {
        int t[12]={61,68,82,68,71,45,60,38,55,60,68,65};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0;i<12;i++)
             sum+=t[i]*c[i];
        cout<<sum<<endl;
        average=(float)sum/cc;
        cout<<average;
        system("Pause");
        return 0;
    }

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  32. #include <iostream>
    using namespace std;
    int main()
    {
        const int n=12;
        int t[12]={87, 80, 89, 80, 81, 90, 77, 92, 76, 88, 91, 80};
        int c[12]={0, 2, 0, 2, 2, 3, 3, 3, 3, 3, 0, 0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0; i<12; i++)
        {
            sum+=t[i];
        }
        cout<<sum<<endl;
        average=(float)sum/12;
        cout<<average;
        system("pause");
        return 0;
    }

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  33. #include <iostream>
    using namespace std;
    int main()
    {
        int t[12]={74,60,80,60,62,71,66,66,60,66,76,70};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0;i<12;i++)
        {
            sum+=t[i]*c[i];
         }
         cout<<sum<<endl;
         average=(float)sum/cc;
         cout<<average;
        
         system("Pause");
         return 0;
    }

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  34. #include <iostream>
    using namespace std;
    int main()
    {
    const int n=12 ;
    int t[12]= {81,69,81,60,71,80,74,91,78,83,82,79};
    int c[12]= {0,2,0,2,2,3,3,3,3,3,0,0};
    int cc=0;
    int bb=0;
    float average;
    for(int i=0;i<n;i++)
    {
    cc+=c[i];
    bb+=t[i]*c[i];
    }
    average = (float)bb / cc;
    cout<<"學分總和:"<<cc<<endl;
    cout<<"學期總和:"<<bb<<endl;
    cout<<"學期平均:"<<average<<endl;
    system ("pause");
    return 0;
    }

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  35. #include <iostream>
    using namespace std;
    int main ()
    {
         int t[12]={68,60,81,60,74,74,65,60,56,60,70,83};
         int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
         int cc=21;
         int sum=0;
         float average;
         for (int i=0;i<12;i++)
         {
             sum+=t[i]*c[i];
         }
         cout<<sum<<endl;
         average=(float)sum/21;
         cout<<average;
         system("pause");
         return 0;

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  36. #include <iostream>
    using namespace std;
    int main ()
    {
    int t[12]={76,69,85,60,70,60,74,70,60,75,74,69};
    int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
    int cc=21;
    int sum=0;
    float average;
    for (int i=0; i<12; i++)
    {
    sum+=t[i]*c[i];
    }
    cout<<sum<<endl;
    average=(float)sum/8;
    cout<<average;
    system("pause");
    return 0;
    }

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  37. #include
    using namespace std;
    int main()
    {
    const int n=12;
    int t[]={81,60,80,60,60,72,60,41,60,63,75,73};
    int c[]={0,2,0,2,2,3,3,3,3,3,0,0};
    int cc=21;
    int sum=0;
    float average;
    for (int i=0; i<12; i++)
    {
    sum+=t[i]*c[i];
    }
    cout<<sum<<endl;
    average=(float)sum/cc;
    cout<<average;

    system("PAUSE");
    return 0;
    }

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  38. #include <iostream>
    using namespace std;
    int main()
    {
    const int n=12 ;
    int t[n]= {79,72,81,60,80,97,79,72,78,81,82,80};
    int c[n]= {0,2,0,2,2,3,3,3,3,3,0,0};
    int cc=21, sum=0;
    float average;
    for (int i=0;i<n;i++)
    {
    sum+=t[i]*c[i];
    }
    cout<<sum<< "\n";
    average =(float)sum/cc;
    cout<<average<<endl;
    system("pause");
    return 0 ;
    }

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  39. #include
    using namespace std;
    int main()
    {
    int t[12]={0,2,0,2,2,3,3,3,3,3,0,0};
    int c[12]={79,60,79,48,60,53,47,60,53,74,39,60};
    int sum;
    float average;
    sum =t[i]*c[i];
    average=(float)sum/21;
    printf("總分: %d\n", sum);
    printf("平均: %5.2f\n", average);
    system("PAUSE");
    return 0;
    }

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  40. #include <iostream>
    using namespace std;
    int main()
    {
        int t[9]={84,77,60,77,84,80,80,76,79};
        int c[9]={1,1,3,3,0,2,2,3,3};
        int cc=18;
        int sum=0;
       
        float average;
       
        for (int i=0;i<9;i++)  
        {
             sum+=t[i]*c[i];
     
        }
        average=(float)sum/cc;
        cout<<average;
     
        system("Pause");
        return 0;
    }   

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  41. #include <iostream>
    using namespace std;
    int main()
    {
     int sum=0, t[9]={88,78,70,77,89,85,80,86,81};
     int c[9]={1,1,3,3,0,2,2,3,3,};
     int cc=18;
     float average;
     
     
     for (int i=0;i<9;i++)
     {
        
       sum+=t[i]*c[i];   
     }    
        average=(float)sum/cc;
        cout<<average;
        system("Pause");
        return 0;

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  42. #include <iostream>
    using namespace std;
    int main ()
    {
    int t[12]={60,60,85,48,64,70,39,41,51,62,65,71};
    int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
    int cc=21;
    int sum=0;
    float average;
    for (int i=0;i<12;i++)
    {
    sum+=t[i]*c[i];
    }
    cout<<sum<<endl;
    average=(float)sum/21;
    cout<<average;
    system("pause");
    return 0;
    }

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  43. #include <iostream>
    using namespace std;
    int main()
    {
    const int n=12;
    int t[n]={79,61,80,60,60,76,69,69,79,74,65,77};
    int c[n]={0,2,0,2,2,3,3,3,3,3,0,0};
    int sum=0,cc=0,bb=0;
    float average;
    float average2;
    for(int i=0;i<n;i++)
    {
    bb+=t[i]*c[i];
    sum+=t[i];
    cc+=c[i];
    }
    average=(float)sum/n;
    average2=(float)bb/cc;
    cout<<"總分:"<<sum<<endl;
    cout<<"平均:"<<average<<endl;
    cout<<"總學分:"<<cc<<endl;
    cout<<"加權總分:"<<bb<<endl;
    cout<<"加權平均:"<<average2<<endl;
    system ("pause");
    return 0;
    }

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  44. #include <iostream>
    using namespace std;
    int main()
    {
        const int n=9;
        int t[9]={65,77,63,73,62,66,82,43,65};
        int c[9]={3,3,3,3,3,2,2,3,3};
        int cc=25;
        int sum=0;
        float average;
       
        for (int i=0; i<9; i++)
        {
        sum+=t[i]*c[i];
        }
       
        cout<<sum<<endl;
        average=(float)sum/cc;
        cout<<average;
           
        system("Pause");
        return 0;
    }

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  45. #include <iostream>
    using namespace std;
    int main()
    {
        const int n=9;
        int t[9]={74,76,63,82,77,69,87,88,60};
        int c[9]={3,3,3,2,2,2,3,3,3};
        int cc=24;
        int sum=0;
        float average;
       
        for(int i=0; i<9; i++)
        {
    {
                sum+=t[i]*c[i];
        }
        cout<<sum<<endl;
        average=(float)sum/cc;
        cout<<average;
        system("Pause");
        return 0;
    }

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  46. #include<iostream>
    using namespace std;
    int main()
    {
    const int n=12;
    int t[n]={71,70,83,60,70,70,51,41,66,60,78,73};
    int c[n]={0,2,0,2,2,3,3,3,3,3,0,0};
    int sum=0,cc=0,bb=0;
    float average;
    float average2;
    for(int i=0;i<n;i++)
    {
    bb+=t[i]*c[i];   
    sum+=t[i];
    cc+=c[i];
    }
    average=(float)sum/n;
    average2=(float)bb/cc;
    cout<<"總分"<<sum<<endl;
    cout<<"平均"<<average<<endl;
    cout<<"總學分"<<cc<<endl;
    cout<<"加權總分"<<bb<<endl;
    cout<<"加權平均"<<cc<<endl;
    system("pause");
    return 0;
    }

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  47. #include<iostream>
    using namespace std;
    int main()
    {
    const int n=12;
    int t[n]={87,60,80,61,64,72,60,63,61,64,85,80};
    int c[n]={0,2,0,2,2,3,3,3,3,3,0,0,};
    int sum=0;
    int cc=0;
    int bb=0;
    float average;
    float average2;
    for(int i=0;i<n;i++)
    {
    bb+=t[i]*c[i];
    sum+=t[i];
    cc+=c[i];
    }
    average=(float)sum/n;
    average2=(float)bb/cc;
    cout<<"總分"<<sum<<endl;
    cout<<"平均"<<average<<endl;
    cout<<"總學分"<<cc<<endl;
    cout<<"加權總分"<<bb<<endl;
    cout<<"加權平均"<<average2<<endl;
    system("pause");
    return 0;
    }

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  48. #include <iostream>
    using namespace std;
    int main ()
    {
        int t[12]={75,65,83,66,68,70,50,53,56,60,80,69};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
            for (int i=0;i<12;i++)
        {
            sum+=t[i]*c[i];
        }
        cout<<sum<<endl;
        average=(float)sum/cc;
        cout<<average;
            system("Pause");
        return 0;
    }   

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  49. #include <iostream>
    using namespace std;
    int main()
    {
    const int n=12 ;
    int t[n]= {79,72,81,43,80,97,79,72,78,81,82,80};
    int c[n]= {0,2,0,2,2,3,3,3,3,3,0,0};
    int cc=21, sum=0;
    float average;
    for (int i=0;i<n;i++)
    {
    sum+=t[i]*c[i];
    }
    cout<<sum<< "\n";
    average =(float)sum/cc;
    cout<<average<<endl;
    system("pause");
    return 0 ;
    }

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  50. #include <iostream>
    using namespace std;
    int main()
    {
        int t[12]={82,65,85,66,82,98,82,84,86,76,90,73};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0; i<12; i++)
        {
        sum+=t[i]*c[i];
        }
        cout<<sum<<endl;
        average= (float)sum/cc;
        cout<<average;
       
        system("pause");
        return 0 ;
    }

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  51. #include <iostream> using namespace std; int main() {     const int n=12;     int t[12]={87,66,80,60,61,60,70,60,62,85,76,81};     int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};     int cc=21;     int sum=0;     float average;     for(int i=0; i<12; i++)         {         sum+=t[i]*c[i];         }        cout<<sum<<endl;     average=(float)sum/cc;     cout<<average<<endl;       system("pause");     return 0; }

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  52. #include <iostream>
    using namespace std;
    int main()
    {
        int t[12]={82,65,85,66,82,98,82,84,86,76,90,73};
        int c[12]={0,2,0,2,2,3,3,3,3,3,0,0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0; i<12; i++)
        {
        sum+=t[i]*c[i];
        }
        cout<<sum<<endl;
        average= (float)sum/cc;
        cout<<average;
       
        system("pause");
        return 0 ;
    }

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  53. #include <iostream>
    using namespace std;
    int main()
    {
        const int n=12;
        int t[12]={87, 80, 89, 80, 81, 90, 77, 92, 76, 88, 91, 80};
        int c[12]={0, 2, 0, 2, 2, 3, 3, 3, 3, 3, 0, 0};
        int cc=21;
        int sum=0;
        float average;
       
        for (int i=0; i<12; i++)
        {
            sum+=t[i]*c[i];  
        }
        cout<<sum<<endl;
        average=(float)sum/12;
        cout<<average;
        system("pause");
        return 0;
    }

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  54. #include <iostream>
    using namespace std;
    int main()
    {
        int t[9]={84,85,63,68,72,88,85,99,96};
        int c[9]={1,1,3,3,0,3,3,3,3};
        int cc=20;
        int sum=0;
        float average;
       
        for (int i=0;i<9;i++)
            sum+=t[i]*c[i];
        cout<<sum<<"\n";
        average=(float)sum/cc;
        cout<<average;
        system("Pause");
        return 0;
    }

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