PAT 1036

 1 #include <vector>
 2 #include <string>
 3 #include <iostream>
 4 #include <fstream>
 5 
 6 using namespace std;
 7 
 8 #define OJ
 9 
10 #ifdef OJ
11 #define fin cin
12 #endif
13 
14 struct Student{
15     string name;
16     bool is_male;
17     string id;
18     int grade;
19 };
20 
21 int main(){
22 #ifndef OJ
23     ifstream fin("in.data");
24 #endif
25 
26     int N;
27     fin >> N;
28 
29     vector<Student> students;
30     for (int i = 0; i < N; i++){
31         Student stu;
32         fin >> stu.name;
33 
34         char gender;
35         fin >> gender;
36 
37         stu.is_male = (gender == ‘M‘ ? true : false);
38 
39         fin >> stu.id;
40         fin >> stu.grade;
41 
42         students.push_back(stu);
43     }
44 
45     int male_grade = 101;
46     int femail_grade = -1;
47     int male_idx, femail_idx;
48     for (int i = 0; i < N; i++){
49         Student &stu = students[i];
50         if (stu.is_male){
51             if (stu.grade < male_grade){
52                 male_grade = stu.grade;
53                 male_idx = i;
54             }
55         }
56         else if (stu.grade > femail_grade){
57             femail_grade = stu.grade;
58             femail_idx = i;
59         }
60     }
61 
62     bool na = false;
63     if (femail_grade == -1){
64         cout << "Absent" << endl;
65         na = true;
66     }
67     else {
68         cout << students[femail_idx].name << " " << students[femail_idx].id << endl;
69     }
70     if (male_grade == 101){
71         cout << "Absent" << endl;
72         na = true;
73     }
74     else {
75         cout << students[male_idx].name << " " << students[male_idx].id << endl;
76     }
77     
78 
79     if (na){
80         cout << "NA" << endl;
81     }
82     else {
83         cout << femail_grade - male_grade << endl;
84     }
85 
86     return 0;
87 }