C语言共用体相关，请求支援

Question

创建一个共同体，里面同时存放在校学生和工人的信息。其中研究生的信息包括号码、姓名、职业、班级，工人的信息包括号码、姓名、职业、职务。请输入3个学生和3个工人的信息，并打印出所有人的信息。（工人的职称由低至高，分为初级工、中级工、高级工、技师、高级技师）

Answer 1

#include <stdio.h>

typedef struct 
{
    int id;
    char name[20];
    char major[20];
    char classname[10];
} Student;

typedef struct 
{
    int id;
    char name[20];
    char job[20];
    char position[20];
} Worker;

typedef union 
{
    Student student;
    Worker worker;
} People;

int main() 
{
    People people[6];
    for (int i = 0; i < 3; i++) 
    {
        printf("学生编号：");
        scanf("%d", &people[i].student.id);
        printf("学生姓名：");
        scanf("%s", people[i].student.name);
        printf("学生专业：");
        scanf("%s", people[i].student.major);
        printf("学生班级：");
        scanf("%s", people[i].student.classname);
        printf("\n");
    }
    for (int i = 3; i < 6; i++) 
    {
        printf("工人编号：");
        scanf("%d", &people[i].worker.id);
        printf("工人姓名：");
        scanf("%s", people[i].worker.name);
        printf("工人工作：");
        scanf("%s", people[i].worker.job);
        printf("工人职位：");
        scanf("%s", people[i].worker.position);
        printf("\n");
    }
    printf("学生信息：\n");
    for (int i = 0; i < 3; i++) 
    {
        printf("编号：%d\n", people[i].student.id);
        printf("姓名：%s\n", people[i].student.name);
        printf("专业：%s\n", people[i].student.major);
        printf("班级：%s\n", people[i].student.classname);
        printf("\n");
    }
    printf("工人信息：\n");
    for (int i = 3; i < 6; i++)
    {
        printf("编号：%d\n", people[i].worker.id);
        printf("姓名：%s\n", people[i].worker.name);
        printf("工作：%s\n", people[i].worker.job);
        printf("职位：%s\n", people[i].worker.position);
        printf("\n");
    }
    return 0;
}