# include <stdio.h>
# include <conio.h>
# include <dos.h>
# include <string.h>
# include <stdlib.h>

int yilan[100][2];
int yemx,yemy,yb;
int tus;
int i,j;
int puan,hiz,toppuan;
int secim;
int durum=0;

acilis()
{
clrscr();
textcolor(4);
gotoxy(23,5); cprintf("Ú");
gotoxy(51,5); cprintf("¿");
gotoxy(23,16); cprintf("À");
gotoxy(51,16); cprintf("Ù");

textcolor(10); gotoxy(26,8); cprintf("[1] Yavas      Puan(5)");
textcolor(10); gotoxy(26,9); cprintf("[2] Normal     Puan(10)");
textcolor(10); gotoxy(26,10); cprintf("[3] Hizli      Puan(15)");
textcolor(10); gotoxy(26,11); cprintf("[4] Cok Hizli  Puan(20)");
textcolor(10); gotoxy(26,12); cprintf("[5] Cikis");
textcolor(2); gotoxy(26,14); cprintf("Seciminiz...: ");
textcolor(7);
secim=getch();
switch(secim)
{
case '1': puan=5; hiz=200; break;
case '2': puan=10; hiz=150; break;
case '3': puan=15; hiz=100; break;
case '4': puan=20; hiz=50; break;
case '5': return 0; break;
default : puan=5; hiz=200; break;
}

clrscr();
textcolor(9); gotoxy(30,1); cprintf("441 EMRAH SIMSEK YILAN OYUNU");
textcolor(4);
gotoxy(5,2); cprintf("Ú");
gotoxy(75,2); cprintf("¿");
gotoxy(5,22); cprintf("À");
gotoxy(75,22);  cprintf("Ù");
textcolor(7);
for (i=6;i<=74;i++)
{
 gotoxy(i,2); cprintf("Ä");
 gotoxy(i,22); cprintf("Ä");
}
for (i=3;i<=21;i++)
{
 gotoxy(5,i);cprintf("³");
 gotoxy(75,i);cprintf("³");
}
yb=3;
yilan[0][0]=10;
yilan[1][0]=9;
yilan[2][0]=8;

yilan[0][1]=10;
yilan[1][1]=10;
yilan[2][1]=10;

randomize();
yemx=(rand()%50)+5;
yemy=(rand()%10)+5;

textcolor(7);
 for (i=0;i<yb;i++)
 {
  gotoxy(yilan[i][0],yilan[i][1]); cprintf("");
 }
  textcolor(2); gotoxy(yemx,yemy); cprintf("*");
  gotoxy(yilan[yb-1][0],yilan[yb-1][1]); printf(" ");
}

yem()
{
randomize();
j=0;
while(j==0)
{
 yemx=(rand()%67)+6;
 yemy=(rand()%17)+3;
  for (i=0;i<yb;i++)
  {
   if (yemx!=yilan[i][0] && yemy!=yilan[i][1])
    j=1;
    textcolor(2); gotoxy(yemx,yemy); cprintf("*");
  }
 }
}


yilanciz()
{
textcolor(7);
 for (i=0;i<yb;i++)
 {
  gotoxy(yilan[i][0],yilan[i][1]); printf("");
 }
  gotoxy((yilan[yb-1][0]),(yilan[yb-1][1])); printf(" ");

   if (yilan[0][0]==yemx && yilan[0][1]==yemy)
    {
     yb=yb+1;
     toppuan=toppuan+puan;
     gotoxy(30,24); printf("PUAN...: %d ",toppuan);
     gotoxy((yilan[yb-1][0]),(yilan[yb-1][1])); printf("");
     gotoxy(30,24); printf("PUAN...: %d       ",toppuan);
     yem();
     }
   if (yilan[0][1]==2 || yilan[0][1]==22 || yilan[0][0]==5 || yilan[0][0]==75)
    {
    gotoxy(30,25); printf("Oyun Bitti!"); durum=1;
    return 0;
    }

   for (i=1;i<yb;i++)
   {
     if(yilan[0][0]==yilan[i][0] && yilan[0][1]==yilan[i][1])
      {
       gotoxy(30,25); printf("Oyun Bitti!"); durum =1; return 0;
      }
   }
}


main()
{
acilis();
tus=getch();
while(tus!=27)
{
while(!kbhit() && durum==0)
{
 if(tus==77) //sag
 {
   for (i=yb-1;i>0;i--)
    {
     yilan[i][0]=yilan[i-1][0];
     yilan[i][1]=yilan[i-1][1];
    }
    yilan[0][0]=yilan[0][0]+1;
    yilanciz();
 }

 if (tus==80) //asagi
 {
    for (i=yb-1;i>0;i--)
    {
     yilan[i][0]=yilan[i-1][0];
     yilan[i][1]=yilan[i-1][1];
    }
    yilan[0][1]=yilan[0][1]+1;
    yilanciz();
 }

 if (tus==72) //yukari
 {
    for (i=yb-1;i>0;i--)
    {
     yilan[i][0]=yilan[i-1][0];
     yilan[i][1]=yilan[i-1][1];
    }
    yilan[0][1]=yilan[0][1]-1;
    yilanciz();
 }

 if (tus==75) //sol
 {
    for (i=yb-1;i>0;i--)
    {
     yilan[i][0]=yilan[i-1][0];
     yilan[i][1]=yilan[i-1][1];
    }
    yilan[0][0]=yilan[0][0]-1;
    yilanciz();
 }
 if (durum==1)
 {
 getch();
 return 0;
 }
delay(hiz);
}
tus=getch();
}

getch();
}