Merge pull request #20 from shubhranshii/game

basic program to create TicTacToe in C

Author: Jayanti2919

TicTacToe in C

@@ -0,0 +1,103 @@
+#include<stdio.h>
+#include<conio.h>
+#include<windows.h>
+#include<stdlib.h>
+
+char square[10]= {'0','1','2','3','4','5','6','7','8','9'};
+int checkWin();
+void gameBoard();
+
+int main()
+{
+    int player=1, i, choice;
+    char mark; //to store X or O
+    do
+    {
+        gameBoard();
+        player=(player % 2)?1:2;
+        printf("player %d enter your choice : ", player);
+        scanf("%d", &choice);
+
+        mark= (player==1)? 'X':'O';
+        if(choice==1 && square[1]=='1')
+        square[1]=mark;
+        else if(choice==2 && square[2]=='2')
+        square[2]=mark;
+        else if(choice==3 && square[3]=='3')
+        square[3]=mark;
+        else if(choice==4 && square[4]=='4')
+        square[4]=mark;
+        else if(choice==5 && square[5]=='5')
+        square[5]=mark;
+        else if(choice==6 && square[6]=='6')
+        square[6]=mark;
+        else if(choice==7 && square[7]=='7')
+        square[7]=mark;
+        else if(choice==8 && square[8]=='8')
+        square[8]=mark;
+        else if(choice==9 && square[9]=='9')
+        square[9]=mark;
+        else
+        {
+        printf("invalid choice");
+        player--;
+        getch();
+        }
+        i=checkWin();
+        player++;
+
+    }while (i==-1);
+
+gameBoard();
+    if(i==1)
+{
+    printf("player %d has won", --player);
+}
+else
+{
+    printf("game is a draw");
+  }
+    getch();
+return 0;
+}
+int checkWin()
+{
+    if(square[1]==square[2] && square[2]==square[3])
+    return 1;
+    else if (square[4]==square[5] && square[5]==square[6])
+    return 1;
+    else if (square[7]==square[8] && square[8]==square[9])
+    return 1;
+    else if (square[1]==square[4] && square[4]==square[7])
+    return 1;
+    else if (square[2]==square[5] && square[5]==square[8])
+    return 1;
+    else if (square[3]==square[6] && square[6]==square[9])
+    return 1;
+    else if (square[1]==square[5] && square[5]==square[9])
+    return 1;
+    else if (square[3]==square[5] && square[5]==square[7])
+    return 1;
+    else if (square[1]!='1' && square[2]!='2' && square[3]!='3' && square[4]!='4' && square[5]!='5' && square[6]!='6' && square[7]!='7' && square[8]!='8' && square[9]!='9')
+    return 0;
+    else 
+    return -1;
+}
+
+void gameBoard()
+{
+    system("cls");
+    printf("\n\n\t TicTacToe \n\n");
+    printf("Player1(X)-Player2(O) \n\n");
+    printf("     |     |     \n");
+    printf("  %c  |  %c  |  %c  \n", square[1], square[2], square[3]);
+    printf("_____|_____|_____\n");
+    printf("     |     |     \n");
+    printf("  %c  |  %c  |  %c  \n", square[4], square[5], square[6]);
+    printf("_____|_____|_____\n");
+    printf("     |     |     \n");
+    printf("  %c  |  %c  |  %c  \n", square[7], square[8], square[9]);
+    printf("     |     |     \n");
+
+
+}