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

// 定义汽车结构体
typedef struct {
char licensePlate[20];
char model[50];
int repairStatus; // 0: 待维修， 1: 维修中， 2: 已修好
} Car;

// 显示菜单
void showMenu() {
printf(“1. 登记汽车\n”);
printf(“2. 更新维修状态\n”);
printf(“3. 查看汽车信息\n”);
printf(“4. 退出\n”);
}

// 登记汽车
void registerCar(Car *cars, int *numCars) {
Car newCar;
printf(“请输入车牌号: “);
scanf(”%s”, newCar.licensePlate);
printf(“请输入车型: “);
scanf(”%s”, newCar.model);
newCar.repairStatus = 0;

cars[*numCars] = newCar;
(*numCars)++;

}

// 更新维修状态
void updateRepairStatus(Car *cars, int numCars) {
char licensePlate[20];
printf(“请输入要更新状态的车牌号: “);
scanf(”%s”, licensePlate);

int found = 0;
for (int i = 0; i < numCars; i++) {
    if (strcmp(cars[i].licensePlate, licensePlate) == 0) {
        printf("选择新的维修状态（0: 待维修， 1: 维修中， 2: 已修好）: ");
        scanf("%d", &cars[i].repairStatus);
        found = 1;
        break;
    }
}

if (!found) {
    printf("未找到该车!\n");
}

}

// 查看汽车信息
void viewCarInfo(Car *cars, int numCars) {
for (int i = 0; i < numCars; i++) {
printf(“车牌号: %s, 车型: %s, 维修状态: %d\n”, cars[i].licensePlate, cars[i].model, cars[i].repairStatus);
}
}

int main() {
Car cars[100]; // 假设最多存储 100 辆车
int numCars = 0;
int choice;

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

    switch (choice) {
        case 1:
            registerCar(cars, &numCars);
            break;
        case 2:
            updateRepairStatus(cars, numCars);
            break;
        case 3:
            viewCarInfo(cars, numCars);
            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;

}