#include <stdio.h>
#include <stdlib.h>
#include <string.h>

// 定义电影结构体
typedef struct {
char movieName[50];
int totalSeats;
int availableSeats;
float ticketPrice;
} Movie;

// 显示菜单
void showMenu() {
printf(“1. 查看电影列表\n”);
printf(“2. 订票\n”);
printf(“3. 退票\n”);
printf(“4. 退出\n”);
}

// 查看电影列表
void viewMovies(Movie *movies, int numMovies) {
printf(“电影列表:\n”);
for (int i = 0; i < numMovies; i++) {
printf("%d. 电影名称: %s - 总座位数: %d - 剩余座位数: %d - 票价: %.2f\n", i + 1, movies[i].movieName, movies[i].totalSeats, movies[i].availableSeats, movies[i].ticketPrice);
}
}

// 订票
void bookTicket(Movie *movies, int numMovies) {
int movieChoice;
printf(“请选择要订票的电影编号: “);
scanf(”%d”, &movieChoice);

if (movieChoice >= 1 && movieChoice <= numMovies) {
    if (movies[movieChoice - 1].availableSeats > 0) {
        movies[movieChoice - 1].availableSeats--;
        printf("订票成功！\n");
    } else {
        printf("该电影座位已满，订票失败！\n");
    }
} else {
    printf("无效的选择！\n");
}

}

// 退票
void cancelTicket(Movie *movies, int numMovies) {
int movieChoice;
printf(“请选择要退票的电影编号: “);
scanf(”%d”, &movieChoice);

if (movieChoice >= 1 && movieChoice <= numMovies) {
    movies[movieChoice - 1].availableSeats++;
    printf("退票成功！\n");
} else {
    printf("无效的选择！\n");
}

}

int main() {
Movie movies[3] = {
{"《电影 1》", 100, 50, 30.0},
{"《电影 2》", 80, 30, 25.0},
{"《电影 3》", 120, 60, 35.0}
};
int numMovies = 3;
int choice;

do {
    showMenu();
    printf("请选择操作: ");
    scanf("%d", &choice);

    switch (choice) {
        case 1:
            viewMovies(movies, numMovies);
            break;
        case 2:
            bookTicket(movies, numMovies);
            break;
        case 3:
            cancelTicket(movies, numMovies);
            break;
        case 4:
            printf("退出程序\n");
            break;
        default:
            printf("无效的选择，请重新输入\n");
    }
} while (choice!= 4);

return 0;

}