Write a program to assign passengers seats in an airplane. Assume a small airpla

Question

Write a program to assign passengers seats in an airplane. Assume a small
airplane with seat numberings as follows:
1 A B C D
2 A B C D
3 A B C D
4 A B C D
5 A B C D
6 A B C D
7 A B C D
The program should display the seat pattern, with an 'X' marking the seats
already assigned. For example, after seats 1A, 2B, and 4C are taken, the display
should look like:
1 X B C D
2 A X C D
3 A B C D
4 A B X D
5 A B C D
6 A B C D
7 A B C D
After displaying the seats available, the program should prompt for the seat
desired, the user can type in a seat, and then the display of available seats
should be updated. This continues until all seats are filled or until the user signals
that the program should end.
If the user types in a seat that is already assigned, the program should say that
that seat is occupied and ask for another choice.

Explanation / Answer

please rate - thanks

#include <iostream>
#include <cstring>
using namespace std;
void drawplane(char[][4]);
void chooseseat(int&,int&,char[][4]);
void clearseats(char[][4]);
int main()
{char seats[7][4];
char more;
int row,col;
string temp;
int full=0;
int i,j;
clearseats(seats);   
drawplane(seats);
do
{
   chooseseat(row, col,seats);
   seats[row][col]='X';
   full++;
drawplane(seats);
if(full==28)
    {cout<<"Plane full "<<endl;
     system("pause");
     return 1;
     }
cout<<"more seats to be selected(y/n)";
cin>>more;
more=toupper(more);
}while(more=='Y');

}

void drawplane(char seats[][4])
{
int i,j;
for(i=0;i<7;i++)
{cout<<"Row "<<(i+1)<<" ";
   for(j=0;j<4;j++)
    { cout<<seats[i][j]<<" ";
       if(j==1)
           cout<<" ";
    }
    cout<<endl;
    }
   
                  
return;   
}


void chooseseat(int &row,int &col,char seats[][4])
{
bool goodseat=false;
char seatcol;
do
{
do{
cout<<"Enter Seat row desired 1-7 ";
cin>>row;
if(row<1||row>7)
   cout<<"invalid row ";
}while(row<1||row>7);
row--;
cout<<"Enter Seat desired A-D ";
    cin>>seatcol;
    seatcol=toupper(seatcol);
    if(seats[row][seatcol-'A']!=seatcol)
       {cout<<"improper seat selection - choose again ";
       goodseat=false;
       }
    else
        goodseat=true;
col=seatcol-'A';
if(goodseat)
   {if( seats[row][col]=='X')
        goodseat=false;       
   if(!goodseat)
     cout<<"Seat already chosen-rechoose ";
     }
}while (!goodseat);


return;
}

void clearseats(char seats[][4])
{int i,j;
char val[]={'A','B','C','D'};
for(i=0;i<7;i++)
   for(j=0;j<4;j++)
        seats[i][j]=val[j];
                     
return;
}

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