【c++基础】075汽车类的设计

#include <cstring>
#include <mmsystem.h>
#include <windows.h>
using namespace std;
class 
{
private:
    char type[20];      
    char color[20];     //汽车颜色
    float price;        //价格
    int carry_weight;   //载重量
    int carry_customer; //载客量
public:
    void set_data(char *t, char *c, float pri, int cw, int cc); //初始化或修改数据成员
    void movecar(int l, int k);                                 //汽车水平运动k部
    void horming(int num);                                      //汽车鸣笛
    void downcar(int l);                                        //汽车垂直向下运动
    void play_mp3(char *ps);                                    //播放歌曲
    char *show_type() { return type; }                          //取出汽车型号
};
void automobile::set_data(char *t, char *c, float pri, int cw, int cc)
{
    strcpy(type, t);
    strcpy(color, c);
    price = pri;
    carry_weight = cw;
    carry_customer = cc;
}
void automobile::movecar(int l, int k)
{
    cout << "n"
         << type << "水平直线运动：" << endl;
    for (int i = 0; i < l; i++)
    {
        cout << ' ' << "o_o";
        Sleep(1000 / k);
        cout << "bbb";
    }
}
void automobile::downcar(int l)
{
    cout << "n"
         << type << "垂直下降运动：" << endl;
    for (int i = 0; i < l; i++)
    {
        cout << "o_o";
        Sleep(500);
        cout << "bbb"
             << "   ";
        cout << endl;
    }
}
void automobile::horming(int num)
{ //鸣笛
    for (int i = 0; i < num; i++)
    {
        cout << type;
        cout << '