Lab project: #include <iostream> using namespace std; int count; int p; int check,pas; int enter,password=342931; char ch,con,choice; class information { public: void houses() { cout<<"House 1:"<<endl; cout<<"In islamabad :"<<endl; cout<<"in corner:"<<endl; cout<<"area is 1200 to 1800 meter squre:"<<endl; cout<<"price range 10,000 t 25,000:"<<endl; cout<<"House 2 :"<<endl; cout<<"In islamabad :"<<endl; cout<<"in middle:"<<endl; cout<<"area is 1800 to 2200 meter squre:"<<endl; cout<<"price range 25,000 t 30,000:"<<endl; cout<<"House 3 :"<<endl; cout<<"In peshawer :"<<endl; cout<<"in middle:"<<endl; cout<<"area is 1400 to 2000 meter squre:"<<endl; cout<<"price range 8,000 t 15,000:"<<endl; cout<<"House 4 :"<<endl; cout<<"In Abbottabad :"<<endl; cout<<"in corner:"<<endl; cout<<"area is 1000 to 1600 meter squre:"<<endl; cout<<"price range 7,000 t 12,000:"<<endl; press(); } void particular() { cout<<"House 1:"<<endl; cout<<"In islamabad :"<<endl; cout<<"price range 10,000 t 25,000:"<<endl; cout<<"House 2 :"<<endl; cout<<"In islamabad :"<<endl; cout<<"price range 25,000 t 30,000:"<<endl; cout<<"House 3 :"<<endl; cout<<"In peshawer :"<<endl; cout<<"price range 8,000 t 15,000:"<<endl; cout<<"House 4 :"<<endl; cout<<"In Abbottabad :"<<endl; cout<<"price range 7,000 t 12,000:"<<endl; press(); } void press() { int p,c; cout<<"Enter information of house "<<endl; cout<<"Select city 1:islamabad 2:peshawer 3:abbottabad"<<endl; cin>>c; cout<<"enter price range you want"<<endl; cin>>p; cout<<"***Serching***"<<endl; if(c==1&&p>1000&&p<25000) { cout<<"House 1:"<<endl; cout<<"In islamabad :"<<endl; cout<<"price range 10,000 t 25,000:"<<endl; deal(); } else if(c==1&&p>25000&&p<30000) {cout<<"House 2 :"<<endl; cout<<"In islamabad :"<<endl; cout<<"price range 25,000 t 30,000:"<<endl; deal(); } else if(c==2&&p>8000&&p<15000) {cout<<"House 3 :"<<endl; cout<<"In peshawer :"<<endl; cout<<"price range 8,000 t 15,000:"<<endl; deal(); } else if(c==3&&p>7000&&p<12000) { cout<<"House 4 :"<<endl; cout<<"In Abbottabad :"<<endl; cout<<"price range 7,000 t 12,000:"<<endl; deal(); } else { cout<<"we cannot find house of your information"<<endl<<endl; particular(); } } void deal() { do{ cout<<"Do you want to done the deal"<<endl; cin>>choice; }while(choice!='y'&&choice!='n'); if(choice=='y'||choice=='Y') { do{ cout<<"Enter password to confrm"<<endl; cin>>pas; }while(pas!=password); cout<<"****congrate deal is done ****** "; } else do{ cout<<"are you sure to cancel deal"<<endl; cin>>choice; }while(choice!='y'&&choice!='n'); if(choice=='y'||choice=='Y') {cout<<"THANK YOU come again"<<endl; } else press(); } }; class display:public information { public: void disp() { int inf; cout<<"Do you want to see"<<endl; cout<<"1: All information "<<endl; cout<<"2: particular"<<endl; cin>>inf; if(inf==1) information::houses(); else information::particular(); } }; class property:public display { public: int a,p; int c; int l; public: void menu() { cout<<" do WELCOME to our website "<<endl; { cout<<"*****MENUE******"<<endl; cout<<"1: DO you want to sell a house"<<endl; cout<<"2: BYE a hous "<<endl; cout<<"3: take on rent"<<endl; cout<<"4: Give on rent"<<endl; cout<<"5: Exit"<<endl; cin>>enter; if (enter==1|| enter==3) addinform (); if (enter==2|| enter==4) display::disp (); } while(enter!=1&&enter!=2&&enter!=3&&enter!=4&&enter!=5); if(enter==5) { do{ cout<<"Arke you sure to Exit"<<endl; cin>>choice; }while(choice!='y'&&choice!='n'); if(choice=='y'||choice=='Y') cout<<"Thank you for joining us: come again"<<endl; else menu(); } } int addinform() { do{cout<<"please enter area"<<endl; cin>>a; }while(a>2400||a<1200); do {cout<<"enter city"<<endl; cout<<" 1: abbottabad 2: peshawer 3: islamabad"<<endl; cin>>c; } while(c!=1&&c!=2&&c!=3); do{ cout<<"enter Location 1:middle/2:corner"<<endl; cin>>l; }while(l!=1&&l!=2); do{ cout<<" Price range "<<endl; cin>>p; }while(p<1000); inf_house(); do{ cout<<"Are you sure to sell the house ?"<<endl; cin>>choice; } while(choice!='y'&&choice!='n'); if(choice=='y'||choice=='Y') { do{ cout<<"Please enter Password"<<endl; cin>>pas; } while(pas!=password); cout<<"Congrate your property has been sold"<<endl; do { cout<<"Do you want to do another deal"<<endl; cin>>con; }while(con!='y'&&con!='n'); if(con=='y'||con=='Y') {cout<<"*********************"; menu(); } else cout<<"Thank you come again"; } else if(choice=='n'||choice=='N') {cout<<"Are you sure to close it"; cin>>ch; if(ch=='y') cout<<"Thank you for joining us"; else addinform(); } } void inf_house() { cout<<"Information of house"<<endl; cout<<"area is : "<<a<<endl; cout<<"city is : "; if(c==1) cout<<"Abbottabad"<<endl; else if(c==2) cout<<"Peshawer "<<endl; else if(c==3) cout<<"Islamabad"<<endl; cout<<"location is : "; if(l==1) cout<<"middle"<<endl; else cout<<"corner"<<endl; cout<<"price is : "<<p<<endl; } }; int main() { property proj; proj.menu(); information h; }