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#include <iostream>
using namespace std;
//Function Declarations
void seating (int,int,char seat[13][13]);
int main ()
{
int k,l,z=0,x=0;
char y=0,ttype,sent=y,seat[13][13];
//Initialize the array; All empty seats.
for (int i=12;i>=0;--i)
{
for (int j=5;j>=0;--j)
{
seat[i][j]='*';
}
}
//Get Ticket Type
cout<<"Welcome.\n";
error0:
cout<<"Please enter your ticket type \n[F for First Class ; B for Business Class; E for Economy Class] \n[F/B/E] : ";
cin >> ttype;
cout <<"\nYou have ";
switch (ttype)
{
case 'F' :
case 'f' :
{
cout<<"first class ticket.";
k=0;
l=1;
break;
}
case 'B' :
case 'b' :
{
cout<<"business class ticket.";
k=2;
l=6;
break;
}
case 'E' :
case 'e' :
{
cout<<"economy class ticket.";
k=7;
l=12;
break;
}
default:
{
system ("cls");
cout<<"\nYou have entered an invalid ticket type. Please try again.\n";
goto error0;
}
}
//Display seats available
error1:
cout << "\n'*' are seats available to you.";
seating (k,l,seat);
//Get desired seat (row)
cout<< "Enter your desired seat: [eg 1A] : ";
cin >>x;
x-=1;
if (cin.fail()||x<k||x>l)
{
cin.clear(); //clear error flag created by cin.fail... not too sure how it works.. found online
cin.ignore();
//cin.fail leaves the input in memory and the bad input will be used again unless cin.ignore is used, came with cin.clear
error2:
system ("cls");
cout<<"The seat you have chosen is invalid or unavailable. Please choose another.";
goto error1;
}
//Get desired seat (column)
cin>>y;
switch (y)
{
case 'A' :
case 'a' :
{
z=0;
break;
}
case 'B' :
case 'b' :
{
z=1;
break;
}
case 'C' :
case 'c' :
{
z=2;
break;
}
case 'D' :
case 'd' :
{
z=3;
break;
}
case 'E' :
case 'e' :
{
z=4;
break;
}
case 'F' :
case 'f' :
{
z=5;
break;
}
default:
{goto error2;}
}
// Occupy seat
if(seat[x][z]!='X')
{seat[x][z]='X';}
else
{goto error2;}
//comfirmation report
system ("cls");
cout<<"\nYou seat["<<x+1<<static_cast<char>(toupper(y))<<"] has been succesfully booked.\nThis is the current seating for your flight.";
seating(0,12,seat);
//continue?
error3:
cin.ignore(1000,'\n');
cout<<"\nDo you wish to continue?\n[y/n] : ";
cin>>sent;
if (sent=='Y'||sent=='y')
{
system ("cls");
cout<<"You have chosen to continue.\n";
goto error0;
}
else if (sent=='n'||sent=='N')
{
cout <<"Thank you for using our service. Have a nice day.\n";
}
else
{
cout<< "\nInvalid selection.";
goto error3;
}
system ("pause");
return 0;
}
//Function Definitions
void seating (int k,int l,char seat[13][13])
{
cout <<"\n\t\tA\tB\tC\t\tD\tE\tF\n";
for (int i=k;i<=l;++i)
{
if (i<9)
{cout << "Row ["<<i+1<<"]\t\t";}
else if (i>=9)
{cout << "Row ["<<i+1<<"]\t";}
for (int j=0;j<=5;++j)
{
cout<<seat[i][j]<<"\t";
if (j==2)
{cout<<"\t";}
}
cout<<endl;
}
}
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