TIC_TAC_TOE GAME C PROGRAM

Tic tac toe game

#include<stdio.h>
#include<string.h>
main()
{
char choice1,choice2;
int p1,p2,i,j,position,move=1,x=0,y=0,count=0,c=1,d=0,a[8],k=0,flag=1;
for(i=0;i<9;i++)
a[i]=3;
printf("Welcome to play TIC-TAC-TOE world\n");
printf("for reference to players\n");
printf(" ______________\n");
printf("|a[0]|a[1]|a[2]|\n");
printf("|____|____|____|\n");
printf("|a[3]|a[4]|a[5]|\n");
printf("|____|____|____|\n");
printf("|a[6]|a[7]|a[8]|\n");
printf("|____|____|____|\n");
while(flag==1)
{
printf("Enter X or O for Player1\n");
scanf("%c",&choice1);
if(choice1=='X'||choice1=='x'||choice1=='O'||choice1=='o')
{
    flag=0;
}
else
{
    flag=1;
    printf("Invalid choice\n");
}
}

if(choice1=='X'||choice1=='x')
{
choice2='O';
}
else
{
choice2='X';
}

printf("Player2 choice is %c\n",choice2);
if(choice1=='X'||choice1=='x')
{
p1=1;
p2=0;
}
else
{
p1=0;
p2=1;
}
while(move<3)
{
    count=0;
    if(move==1)
    {
        printf("Player1 Enter the position\n");
         scanf("%d",&position);

         if(a[position]==3)
           {
               a[position]=p1;
               k=0;
               for(i=0;i<3;i++)
               {
                   for(j=0;j<3;j++)
                   {
                       if(a[k]==3)
                       printf("\t-");
                       if(a[k]==1)
                       printf("\tX");
                        if(a[k]==0)
                       printf("\tO");
                       k++;
                   }
                   printf("\n");
               }

               if((a[0]==p1&&a[1]==p1&&a[2]==p1)
||(a[3]==p1&&a[4]==p1&&a[5]==p1)||(a[6]==p1&&a[7]==p1&&a[8]==p1)||
(a[0]==p1&&a[3]==p1&&a[6]==p1)||(a[1]==p1&&a[4]==p1&&a[7]==p1)||
(a[2]==p1&&a[5]==p1&&a[8]==p1)||(a[0]==p1&&a[4]==p1&&a[8]==p1)||
(a[2]==p1&&a[4]==p1&&a[6]==p1))
                  {
                     printf("Player1 wins\n");
                      x=1;
                     printf("Thank you for playing this game\n");
                      move=3;
                    break;
                   }
                else
                {
                   move=2;
                }
           }
           else
           {
               printf("This place is not empty.Please
 give another position\n");
                   move=1;
                 }

      }
      for(i=0;i<9;i++)
      {

        if(a[i]==3)
        count++;
      }
      if(count==0)
      {
          move=3;
          break;
      }
      if(move==2)
      {
              printf("Player2 Enter position\n");
         scanf("%d",&position);

         if(a[position]==3)
           {
              a[position]=p2;
              k=0;
               for(i=0;i<3;i++)
               {
                   for(j=0;j<3;j++)
                   {
                       if(a[k]==3)
                       printf("\t-");
                       else if(a[k]==1)
                       printf("\tX");
                       else
                       printf("\tO");
                       k++;
                   }
                   printf("\n");
               }

              if((a[0]==p2&&a[1]==p2&&a[2]==p2)||
(a[3]==p2&&a[4]==p2&&a[5]==p2)||(a[6]==p2&&a[7]==p2&&a[8]==p2)||
(a[0]==p2&&a[3]==p2&&a[6]==p2)||(a[1]==p2&&a[4]==p2&&a[7]==p2)||(a[2]==p2&&a[5]==p2&&a[8]==p2)||
(a[0]==p2&&a[4]==p2&&a[8]==p2)||
(a[2]==p2&&a[4]==p2&&a[6]==p2))
                  {
                     printf("Player2 wins\n");
                      y=1;
                     printf("Thank you for playing this game\n");
                      move=3;
                    break;
                   }
                else
                {
                   move=1;
                }
           }
           else
           {
           printf("This place is not empty.Please 
give another position\n");
                   move=2;
                 }
      }


}
if(x!=1&&y!=1)
{
printf("Draw Match\n");
printf("Thank you for playing this game\n");
}

}

Output:

Welcome to play TIC-TAC-TOE world
for reference to players
 ______________
|a[0]|a[1]|a[2]|
|____|____|____|
|a[3]|a[4]|a[5]|
|____|____|____|
|a[6]|a[7]|a[8]|
|____|____|____|
Enter X or O for Player1
O
Player2 choice is X
Player1 Enter the position
4
        -       -       -
        -       O       -
        -       -       -
Player2 Enter position
2
        -       -       X
        -       O       -
        -       -       -
Player1 Enter the position
0
        O       -       X
        -       O       -
        -       -       -
Player2 Enter position
5
        O       -       X
        -       O       X
        -       -       -
Player1 Enter the position
8
        O       -       X
        -       O       X
        -       -       O
Player1 wins
Thank you for playing this game
        

Explanation:
//Coming Soon..