C++，day0907

#include <iostream>

using namespace std;
struct stu
{
private:
    int num;
private:
    double score[32];

public:
    void setNum()
    {
        cout <<"请输入学生人数:";
        cin >>num;
    }
    void input()
    {
        cout<<"请输入学生的成绩:"<<endl;
        for(int i=0; i<num; i++)
        {
            cout<<"第"<<i+1<<"个学生成绩:";
            cin>>score[i];
        }
    }
    void sort()
    {
        double temp;
        int flag = 0;
        for(int i=1; i<num; i++)
        {
            flag =0;
            for(int j=0; j<num-i; j++)
            {
                if(score[j]<score[j+1])
                {
                    temp = score[j];
                    score[j] = score[j+1];
                    score[j+1] = temp;
                    flag = 1;
                }
            }
            if(0 ==flag)
                break;
        }
    }
    void show()
    {
        for(int i=0; i<num; i++)
        {
            cout <<score[i]<<" ";
        }
        cout <<endl;
    }
};
int main()
{
    stu s;
    s.setNum();

    s.input();

    s.sort();

    s.show();

    return 0;
}