#include <cstdlib>
#include <iostream>

using namespace std;

char bus[4][12];

void empty_bus()
{
int i=0,j;

while (i<4)
{
j=0;
while (j<12)
{
bus[i][j]='E';
j++;
}
i++;
}
}

void display_bus()
{
int i=0,j;

cout << "\nBACK FRONT\n"; 
cout << "--------------------------\n";
while (i<4)
{
cout << "|";
j=11;
while (j>=0)
{ 
cout << bus[i][j] << " ";
j--;
}
cout << "|\n";
if(i==1)
{
cout << "| YESiL TURiZM |\n";
cout << "| MASALLAH |\n";
}
i++;
}
cout << "--------------------------\n";
}

void take_seat(int i,int j,int sex)
{
int number;
if (sex==1)
bus[i][j]='F';
else if (sex==2)
bus[i][j]='M';
number=j*4+i+1;
cout << "\n***I got seat number " << number << " for you!***\n";
}

int get_seat(int sex,int side)
{
int i,j,number=0;

if (sex==1 && side==1)
{
i=0;
j=0;
while (j<12)
{
if (i==0)
{
if (bus[i][j]=='E' && bus[i+1][j]!='M')
{
take_seat(i,j,sex);
number=1;
break;
}
else
{
i=3;
}
}
if (i==3)
{
if (bus[i][j]=='E' && bus[i-1][j]!='M')
{
number=1;
take_seat(i,j,sex);
break;
}
else
i=0;
}
j++;
}
}

if (sex==1 && side==2)
{
i=1;
j=0;
while (j<12)
{
if (i==1)
{
if (bus[i][j]=='E' && bus[i-1][j]!='M')
{
number=1;
take_seat(i,j,sex);
break;
}
else
{
i=2;
}
}
if (i==2)
{
if (bus[i][j]=='E' && bus[i+1][j]!='M')
{
number=1;
take_seat(i,j,sex);
break;
}
else
{
i=1;
}
}
j++;
}
}

if (sex==1 && side==3)
{
i=0;
j=0;
while (j<12)
{
if (i==0)
{
if (bus[i][j]=='E' && bus[i+1][j]!='M')
{
number=1;
take_seat(i,j,sex);
break;
}
else
{
i=1;
}
}
if (i==1)
{
if (bus[i][j]=='E' && bus[i-1][j]!='M')
{
number=1;
take_seat(i,j,sex);
break;
}
else
{
i=2;
}
}
if (i==2)
{
if (bus[i][j]=='E' && bus[i+1][j]!='M')
{
number=1;
take_seat(i,j,sex);
break;
}
else
{
i=3;
}
}
if (i==3)
{
if(bus[i][j]=='E' && bus[i-1][j]!='M')
{
number=1;
take_seat(i,j,sex);
break;
}
else
{
i=0;
}
}
j++;
}
}

if (sex==2 && side==1)
{
i=0;
j=0;
while (j<12)
{
if (i==0)
{
if (bus[i][j]=='E' && bus[i+1][j]!='F')
{
number=1;
take_seat(i,j,sex);
break;
}
else
{
i=3;
}
}
if (i==3)
{
if(bus[i][j]=='E' && bus[i-1][j]!='F')
{
number=1;
take_seat(i,j,sex);
break;
}
else
{
i=0;
}
}
j++;
}
}


if (sex==2 && side==2)
{
i=1;
j=0;
while (j<12)
{
if (i==1)
{
if (bus[i][j]=='E' && bus[i-1][j]!='F')
{
number=1;
take_seat(i,j,sex);
break;
}
else
{
i=2;
}
}
if (i==2)
{
if (bus[i][j]=='E' && bus[i+1][j]!='F')
{
number=1;
take_seat(i,j,sex);
break;
}
else
{
i=1;
}
}
j++;
}
}

if (sex==2 && side==3)
{
i=0;
j=0;
while (j<12)
{
if (i==0)
{
if (bus[i][j]=='E' && bus[i+1][j]!='F')
{
number=1;
take_seat(i,j,sex);
break;
}
else
{
i=1;
}
}
if (i==1)
{
if (bus[i][j]=='E' && bus[i-1][j]!='F')
{
number=1;
take_seat(i,j,sex);
break;
}
else
{
i=2;
}
}
if (i==2)
{
if (bus[i][j]=='E' && bus[i+1][j]!='F')
{
number=1;
take_seat(i,j,sex);
break;
}
else
{
i=3;
}
}
if (i==3)
{
if(bus[i][j]=='E' && bus[i-1][j]!='F')
{
number=1;
take_seat(i,j,sex);
break;
}
else
{
i=0;
}
}
j++;
}
}
return number;
}

int main()
{
int cond=1,number,sex,side;

empty_bus();
while (cond!=0)
{
cout << "\nChoose a condition: \n\n";
cout << "1) Empty the Bus\n2) Display the Bus\n3) Take a Seat at the Bus\n0) EXIT\nChoice:";
cin >> cond;

if (cond==1)
empty_bus();
if (cond==2)
display_bus();
if (cond==3)
{
cout << "\nWhat is the sex of passenger?((1)=Female or (2)=Male)=";
cin >> sex;
cout << "Which side?((1)=Window side (2)=Corridor side or (3)=Any side)=";
cin >> side;

number=get_seat(sex,side);
if (number==0)
cout << "\n\n***There is no suitable seat for you!*** \n\n";
}
}
return 0;
}