写个售票系统程序

好的，以下是一个简单的售票系统程序示例：

#include <iostream>
#include <iomanip>
using namespace std;

const int MAX_SEATS = 50; // 最大座位数

int main() {
    int seats[MAX_SEATS]; // 座位数组，0表示空位，1表示已售出
    int choice, seatNum, totalSales = 0;

    // 初始化座位状态
    for (int i = 0; i < MAX_SEATS; i++) {
        seats[i] = 0;
    }

    // 显示菜单
    cout << "Welcome to the Ticket System!" << endl;
    cout << "1. Purchase ticket" << endl;
    cout << "2. View available seats" << endl;
    cout << "3. View total sales" << endl;
    cout << "4. Exit" << endl;

    // 处理用户输入
    do {
        cout << "Enter your choice: ";
        cin >> choice;
        switch (choice) {
            case 1: // 购票
                cout << "Enter seat number (1-" << MAX_SEATS << "): ";
                cin >> seatNum;
                if (seatNum < 1 || seatNum > MAX_SEATS) {
                    cout << "Invalid seat number!" << endl;
                } else if (seats[seatNum-1] == 1) {
                    cout << "This seat has already been sold!" << endl;
                } else {
                    seats[seatNum-1] = 1;
                    cout << "Ticket sold for seat " << seatNum << "." << endl;
                    totalSales += 10; // 假设每张票售价为10元
                }
                break;
            case 2: // 查看可用座位
                cout << "Available seats:" << endl;
                for (int i = 0; i < MAX_SEATS; i++) {
                    if (seats[i] == 0) {
                        cout << setw(3) << i+1;
                    } else {
                        cout << setw(3) << ".";
                    }
                    if ((i+1) % 10 == 0) {
                        cout << endl;
                    }
                }
                cout << endl;
                break;
            case 3: // 查看总销售额
                cout << "Total sales: $" << totalSales << endl;
                break;
            case 4: // 退出
                cout << "Goodbye!" << endl;
                break;
            default: // 处理无效选项
                cout << "Invalid choice!" << endl;
                break;
        }
    } while (choice != 4);

    return 0;
}

这个程序使用了一个长度为50的数组来表示座位状态，其中0表示空位，1表示已售出。用户可以选择购票、查看可用座位、查看总销售额或退出程序。购票时用户需要输入座位号，程序会检查座位号是否合法以及该座位是否已售出，如果座位可用则将其标记为已售出，并累加总销售额。查看可用座位时程序会遍历座位数组并输出可用座位号，每行输出10个座位。查看总销售额时程序会输出当前总销售额。最后用户可以选择退出程序。