C++ 德才论

 1 #include <iostream>
 2 #include <algorithm>
 3 #include <vector>
 4 #include <string>
 5 
 6 using namespace std;
 7 
 8 struct Student
 9 {
10     string id;//考号
11     int Dscore,Cscore,total;//德分 才分 总分
12     int classes;
13 };
14 
15 
16 bool cmp(Student &s1,Student &s2)
17 {
18     if(s1.classes == s2.classes)
19     {
20         if(s1.total == s2.total)
21         {
22             if(s1.Dscore == s2.Dscore)
23             {
24                 return s1.id < s2.id; //比较id
25             }else
26             {
27                 return s1.Dscore > s2.Dscore;
28             }
29         }else
30         {
31             return s1.total > s2.total;
32         }
33     }else
34     {
35         return s1.classes < s2.classes;
36     }
37 }
38 
39 int main()
40 {
41     int stu_num,Lscore,Hscore;
42     cin >> stu_num >> Lscore >> Hscore;
43 
44     //第一类考生 德才全尽 第二类 德胜才  第三类 才德兼亡但尚有德胜才 第四类 其他
45     vector<Student> stu;
46     for(int i = 0;i < stu_num;++i)
47     {
48         Student s;
49         cin >> s.id >> s.Dscore >> s.Cscore;
50         s.total = s.Dscore+s.Cscore;
51 
52         if(s.Dscore >= Lscore &&s.Cscore >= Lscore)
53         {
54             if(s.Dscore >= Hscore &&s.Cscore >= Hscore)
55             {//第一类考生
56                 s.classes = 1;
57             }else if(s.Cscore < Hscore && s.Dscore >= Hscore)
58             {
59                 s.classes = 2;
60             }else if(s.Cscore < Hscore && s.Dscore < Hscore && s.Dscore >= s.Cscore)
61             {
62                 s.classes = 3;
63             }else
64             {
65                 s.classes = 4;
66             }
67             stu.push_back(s);
68         }
69     }
70     //排序
71     cout << stu.size() << endl;
72     sort(stu.begin(),stu.end(),cmp);
73     for(int i = 0;i < stu.size();++i)
74     {
75         cout << stu[i].id  << " "
76              << stu[i].Dscore << " "
77              << stu[i].Cscore << endl;
78     }
79     return 0;
80 }