jedzienie, rev 2 zle slad

#include <cstdlib>
#include <iostream>
#include <conio.h>
#include "windows.h"
#include <time.h>

using namespace std;

void gotoxy(int x, int y)
{
 COORD c;
 c.X = x - 1;
 c.Y = y - 1;
 SetConsoleCursorPosition (GetStdHandle(STD_OUTPUT_HANDLE), c);
}


int main(int argc, char *argv[])
{
   int a, b;
   gotoxy(25,10);
   cout<<"Witamy w Grze o nazwie WONSZ!!!!!";

    gotoxy(1,15);//trzecia ramka
    cout<<char(218);
    for(int i=0; i<78; i++)
    cout<<char(196);
    cout<<char(191);
    for(int i=0; i<15; i++)
    {
            gotoxy(0,i+15);
            if(i==14) cout<<char(192);
            else cout<<char(179)<<endl;
    }
    gotoxy(2,30);
    for(int i=0; i<78; i++)
    cout<<char(196);
    gotoxy(79,19);
    for(int i=0; i<15; i++)
    {
            gotoxy(80,i+16);
            if(i==14) cout<<char(217);
            else cout<<char(179)<<endl;
    }
    int u,m;
    u=rand()%80;
    m=rand()%15+15;
    gotoxy(u,m);
    cout << "X";
   int znak;
   int x=20,y=20;
   gotoxy(x,y);
   cout<<"@";
   int key;
   int pkt=1;

 do
 {

   key =  getch();
   if (key == 224 || key ==0 )
   {
              switch (getch ())
              {
                     case 80 : y++;gotoxy(x,y); cout<<"@";
                     gotoxy(x,y-pkt); cout << " ";
break;
                     case 72 : y--;gotoxy(x,y); cout<<"@";

                     gotoxy(x,y+pkt); cout << " ";
break;
                     case 77 : x++;gotoxy(x,y); cout<<"@";

                     gotoxy(x-pkt,y); cout << " ";
break;
                     case 75 : x--;gotoxy(x,y); cout<<"@";

                     gotoxy(x+pkt,y); cout << " ";

break;
              }
   }
              if ((y == 15)||(y==30)||(x==80)||(x==1)){system ("cls");
              cout << "PRZEGRANA!"<<endl;
cout << "Liczba uzyskanych punktow: " << pkt-1;};
              if ((y==m)&&(x==u))
{
    u=rand()%79+1;
    m=rand()%15+15;
    gotoxy(u,m);
    cout << "X";
    pkt=pkt+1;
};
if (key==27)break;
/*

*/

 ;
}

while (true);


//system ("PAUSE")
return 0;
}