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C++第七次实验
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C++第七次实验
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//#include <bits/stdc++.h>
using namespace std;
class Automobile;
class Park
{
private:
Automobile **spaces;
int N;
int income ;
int num;
int freespace;
public:
Park(int i)
{
spaces = new Automobile*[i];
for (int j = 0; j < i; j++)
spaces[j] = NULL;
income = 0;
num = 0;
this->N = i;
freespace = i;
}
~Park()
{
delete[] spaces;
}
void showInfo();
bool paymoney(Automobile *p, int f);
bool parkspace(Automobile *p);
};
class Automobile
{
public:
string getmassege()
{
return massege;
}
void enter(Park &p)
{
p.parkspace(this);
}
void leave(Park &p)
{
}
protected:
string massege;
};
void Park::showInfo()
{
if (num == 0)
cout << "停车场停放了" << num << "辆汽车,共收入" << income << "元停车费" << endl;
else
{
cout << "停车场上停放了" << num << "辆汽车 :";
for (int i = 0; i < N; i++)
{
if (spaces[i] != NULL)
cout << spaces[i]->getmassege() << ",";
}
cout << "共收入" << income << "停车费"<<endl;
}
}
bool Park::parkspace(Automobile *p)
{
for (int i = 0; i < N; i++)
{
if (spaces[i] == NULL)
{
spaces[i] = p;
num += 1;
cout << p->getmassege() << "进入停车场,分配停车位" << endl;
return true;
}
}
cout << "无法为" << p->getmassege() << "分配停车位" << endl;
return false;
}
bool Park::paymoney(Automobile *p, int money)
{
for (int i = 0; i < N; i++)
{
if (spaces[i] == p)
{
spaces[i] = NULL;
num--;
income += money;
cout << p->getmassege() << "离开停车场,缴纳停车费" << money << "元" << endl;
return true;
}
}
}
class Truck : public Automobile
{
private:
float weight;
//Automobile member;
public:
float getweight()
{
return weight;
}
Truck(string a, float b)
{
massege = a;
weight = b;
}
/*void enter(Park &x)
{
for(int i=0;i<x.N;i++)
{
if (x->spaces[i] == NULL)
{
printf("%s进入停车场,分配停车位\n", massege);
x.freespace--;
}
}
printf("无法为%s分配停车位", massege);
}*/
void leave(Park &x)
{
x.paymoney(this, 3);
}
};
class Car : public Automobile
{
private:
string kind;
public:
string getkind()
{
return kind;
}
Car(string a, string b)
{
massege = a;
kind = b;
}
/*void enter(Park &x)
{
for(int i=0;i<x->N;i++)
{
if (x->spaces[i] == NULL)
{
printf("%s进入停车场,分配停车位\n", massege);
x->freespace--;
}
}
printf("无法为%s分配停车位", massege);
}*/
void leave(Park &x)
{
/*x->freespace++;
printf("%s离开停车场,缴纳停车费1元\n", massege);
x->income += 1;*/
x.paymoney(this, 1);
}
};
class Bus : public Automobile
{
private:
int size;
public:
int getsize()
{
return size;
}
Bus(string a, int b)
{
massege = a;
size = b;
}
/* void enter(Park &x)
{
for(int i=0;i<x->N;i++)
{
if (x->spaces[i] == NULL)
{
printf("%s进入停车场,分配停车位\n", massege);
x->freespace--;
}
}
printf("无法为%s分配停车位", massege);
}*/
void leave(Park &x)
{
x.paymoney(this, 2);
}
};
int N;
int main()
{
cout << "请输入停车位数量:";
cin >> N;
Park park (N);
Car car1("鲁B-123456", "奥迪A6");
car1.enter(park);
Truck truck("鲁B-23456", 15);
truck.enter(park);
car1.leave(park);
Bus bus("鲁B-34567", 50);
//spaces[1] = &bus;
bus.enter(park);
park.showInfo();
Car car2("鲁B-45678", "宝马320");
//spaces[2] = &car2;
car2.enter(park);
bus.leave(park);
truck.leave(park);
park.showInfo();
return 0;
}