#include #include #include using namespace std; class Bank { public: Bank() { cout << "Welcome to our bank!!" << endl; } void setEv(int x) { money=x; } int showMoney() { return money; } void withdraw() { int y; cout << "Input number to withdraw \n"; cin >> y; if(money>=y) { money-=y; purse+=y; } else { purse+=money; money-=money; } } int showPurse() { return purse; } ~Bank() { cout << "Thank you 4 staying with our bank"; } void deposit() { int y; cout << "Input number to deposit \n"; cin >> y; if(y<=purse) { money+=y; purse-=y; } else { money+=purse; purse-=purse; } } virtual void discount()=0; protected: friend class Hacker; int money; int purse=0; }; class Senior : public Bank { public: Senior(int x) { setEv(x); discount(); }; void discount() { money+=100; } }; class Student : public Bank { public: Student(int x) { setEv(x); discount(); }; void discount() { money+=50; } }; class NormalAcc : public Bank { public: NormalAcc(int x) { setEv(x); }; void discount() {} }; class Hacker { public: void hack(Bank &acc) { if(once==0) { srand(time(0)); int p=( 1+ (rand() % 4) ); if(p==2) { cout << "Hack succesful" << endl; acc.money+=10000; } else { cout << "Hack bad" << endl; acc.money=0; acc.purse=0; } } else { cout << "Hacked already" << endl; } once++; } private: int once=0; }; void evev(Bank *x) { int i=4; Hacker hax; while(i<6 && i>0) { cout << "1-show money" << endl; cout << "2-show purse" << endl; cout << "3-withdraw" << endl; cout << "4-deposit" << endl; cout << "5-hack" << endl; cout << "6-exit" << endl; cin >> i; switch(i) { case 1: cout << x->showMoney() << endl; break; case 2: cout << x->showPurse() << endl; break; case 3: x->withdraw(); break; case 4: x->deposit(); break; case 5: hax.hack(*x); break; } } } int main() { try { cout << "Create acc(input age,money)" << endl; int age,mn; cin >> age; if(age<0) { throw 1; } cin >> mn; if(mn<0) { throw 2; } if(age<=25) { Bank *ptr = new Student(mn); evev(ptr); } if(age>25 && age<60) { Bank *ptr = new NormalAcc(mn); evev(ptr); } if(age>=60) { Bank *ptr = new Senior(mn); evev(ptr); } } catch(int x) { switch(x) { case 1: cout << "Error-Wrong age input \n"; break; case 2: cout << "Error-Wrong money input \n"; break; } } return 0; }

bank v2