层次模型，求大家帮助解答

Question

某大学专业具有特定系编号、系名与办公地点，并下属教研室与班级若干，教研室设有教研室编号与教研室名，班级设有班号与班级名。教研室下属教师若干，每名教师具有工号、姓名、研究方向等属性。班级中每名学生具有学号、姓名、性别等属性。请依照上述信息构建层次模型，并阐述层次模型的结构特征。请画出该专业的层次模型：

Answer 1

#include <
stdio.h>
 
// 定义教师结构体typedef struct {int work_number;
char name[20];
char research_field[30];
} Teacher;
 
// 定义学生结构体typedef struct {int student_number;
char name[20];
char gender;
} Student;
 
// 定义教研室结构体typedef struct {int room_number;
char room_name[30];
Teacher teachers[3];
 // 假设每个教研室有3名教师} ResearchRoom;
 
// 定义班级结构体typedef struct {int class_number;
char class_name[30];
Student students[30];
 // 假设每个班级有30名学生} Class;
 
// 定义专业结构体typedef struct {int department_number;
char department_name[50];
char office_location[50];
ResearchRoom research_rooms[3];
 // 假设专业有3个教研室Class classes[4];
 // 假设专业有4个班级} Major;
 
int main() {Major major;
 
    // 初始化专业信息major.department_number = 001;
strcpy(major.department_name, "
Computer Science"
);
strcpy(major.office_location, "
Building A, Room 101"
);
 
    // 初始化教研室信息for (int i = 0;
 i <
 3;
 i++) {major.research_rooms[i].room_number = i + 1;
sprintf(major.research_rooms[i].room_name, "
Research Room %d"
, i + 1);
 
        // 初始化教师信息for (int j = 0;
 j <
 3;
 j++) {major.research_rooms[i].teachers[j].work_number = i * 10 + j + 1;
sprintf(major.research_rooms[i].teachers[j].name, "
Teacher %d"
, i * 10 + j + 1);
strcpy(major.research_rooms[i].teachers[j].research_field, "
Artificial Intelligence"
);
}} 
    // 初始化班级信息for (int i = 0;
 i <
 4;
 i++) {major.classes[i].class_number = i + 1;
sprintf(major.classes[i].class_name, "
Class %d"
, i + 1);
 
        // 初始化学生信息for (int j = 0;
 j <
 30;
 j++) {major.classes[i].students[j].student_number = i * 100 + j + 1;
sprintf(major.classes[i].students[j].name, "
Student %d"
, i * 100 + j + 1);
if (j % 2 == 0) {major.classes[i].students[j].gender = 'M';
} else {major.classes[i].students[j].gender = 'F';
}}} 
    // 输出专业层次模型printf("
Department Number: %d
"
, major.department_number);
printf("
Department Name: %s
"
, major.department_name);
printf("
Office Location: %s
"
, major.office_location);
 
    // 输出教研室信息for (int i = 0;
 i <
 3;
 i++) {printf("

Research Room %d:
"
, major.research_rooms[i].room_number);
printf("
Room Name: %s
"
, major.research_rooms[i].room_name);
 
        // 输出教师信息for (int j = 0;
 j <
 3;
 j++) {printf("
Teacher %d:
"
, major.research_rooms[i].teachers[j].work_number);
printf("
Name: %s
"
, major.research_rooms[i].teachers[j].name);
printf("
Research Field: %s
"
, major.research_rooms[i].teachers[j].research_field);
}} 
    // 输出班级信息for (int i = 0;
 i <
 4;
 i++) {printf("

Class %d:
"
, major.classes[i].class_number);
printf("
Class Name: %s
"
, major.classes[i].class_name);
 
        // 输出学生信息for (int j = 0;
 j <
 30;
 j++) {printf("
Student %d:
"
, major.classes[i].students[j].student_number);
printf("
Name: %s
"
, major.classes[i].students[j].name);
printf("
Gender: %c
"
, major.classes[i].students[j].gender);
}} 
    return 0;
}

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