#include <stdio.h>
#include <string.h>
 
// 日期结构体
struct Date {
    int year, month, day;
};
 
// 地址结构体
struct Address {
    char city[20];
    char street[50];
};
 
// 学生结构体嵌套了日期和地址
struct Student {
    int id;
    char name[20];
    struct Date birthday;
    struct Address addr;
    float score;
};
 
// 函数：输入一个学生信息
void inputStudent(struct Student *p) {
    printf("输入学号：");
    scanf("%d", &p->id);
    printf("输入姓名：");
    scanf("%s", p->name);
    printf("输入出生日期（年 月 日）：");
    scanf("%d %d %d", &p->birthday.year, &p->birthday.month, &p->birthday.day);
    printf("输入城市：");
    scanf("%s", p->addr.city);
    printf("输入街道：");
    scanf("%s", p->addr.street);
    printf("输入成绩：");
    scanf("%f", &p->score);
}
 
// 函数：输出一个学生信息
void printStudent(const struct Student *p) {
    printf("学号：%d\n", p->id);
    printf("姓名：%s\n", p->name);
    printf("生日：%d-%d-%d\n", p->birthday.year, p->birthday.month, p->birthday.day);
    printf("地址：%s %s\n", p->addr.city, p->addr.street);
    printf("成绩：%.1f\n", p->score);
}
 
int main() {
    struct Student stuArr[3];   // 结构体数组，存储多个学生
 
    // 输入3个学生信息
    for (int i = 0; i < 3; i++) {
        printf("请输入第%d个学生信息：\n", i+1);
        inputStudent(&stuArr[i]);
    }
 
    // 输出所有学生信息
    printf("\n所有学生信息：\n");
    for (int i = 0; i < 3; i++) {
        printStudent(&stuArr[i]);
        printf("\n");
    }
 
    return 0;
}

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