5x5_tictactoe.c

#include<stdio.h>
#include<stdlib.h>
#include<time.h>
char arr[5][5];
void startboard(){
    int i,j;
    for(i=0;i<5;i++){
        for(j=0;j<5;j++){
            arr[i][j]='-';
        }
    }
}
void print(){
    printf("\nCurrent state of board:\n");
    int i,j;
    printf(" 1 2 3 4 5\n");
    for(i=0;i<5;i++){
        printf("%d",i+1);
        for(j=0;j<5;j++){
            printf("%c",arr[i][j]);
            if(j<4){
                printf("|");
            }
        }
        printf("\n");
        if(i<4){
            printf(" ---------");
            printf("\n");
        }
    }
}
int valid(int x,int y){
    if(x<0||x>=5||y<0||y>=5){
        return 0;
    }
    if(arr[x][y]!='-'){
        return 0;
    }
    return 1;
}
int end(){
    int i,j;
    for (i=0;i<5;i++) {
        if(arr[i][0]==arr[i][1]&&arr[i][1]==arr[i][2]&&arr[i][2]==arr[i][3]&&arr[i][3]!='-'){
            return 1;
        }
        if(arr[0][i]==arr[1][i]&&arr[1][i]==arr[2][i]&&arr[2][i]==arr[3][i]&&arr[3][i]!='-'){
            return 1;
        }
    }
    if((arr[0][0]==arr[1][1]&&arr[1][1]==arr[2][2]&&arr[2][2]==arr[3][3]&&arr[3][3]!='-')||(arr[0][4]==arr[1][3]&&arr[1][3]==arr[2][2]&&arr[2][2]==arr[3][1]&&arr[3][1]!='-')){
        return 1;
    }
    return 0;
}
int toss(){
    srand(time(NULL));
    int toss1=rand()%2+1;
    return toss1;
}
int main(){
  printf("WELCOME TO 5x5 TIC-TAC-TOE!\nby Kingsuk Panda\n\n\nThis is your tic-tac-toe board:\n\n");
  startboard();
  print();
  printf("\n\nWhen asked for a position to play your move, enter the row and column for the position.\nWhen you score 4 consecutive Xs or Os, you win! Get ready for the game!!\n\nSelect your game mode(type in the option number):\n1. Player vs Player\n2. Player vs Computer\n\nMode: ");
  int mode;
  scanf("%d",&mode);
  if(mode==1){
    printf("\n\n\nMODE: PLAYER VS PLAYER\n\nThe LUCK GODS have decided that ");
    int x,y;
    char currentplayer;
    int toss2=toss();
        if(toss2==1){
          currentplayer='X';
          printf("player X goes first!\n\nPlayer X, enter the position where you want to place your X:\nRow: ");
          scanf("%d",&x);
          printf("\nColumn:");
          scanf("%d",&y);
          x--;
          y--;
          arr[x][y]=currentplayer;
          currentplayer='O';
          while(!end()){
              print();
              printf("\nPlayer %c, enter the position where you want to place your %c:\nRow: ",currentplayer,currentplayer);
              scanf("%d",&x);
              printf("\nColumn: ");
              scanf("%d",&y);
              x--;
              y--;
              if(valid(x,y)){
                  arr[x][y]=currentplayer;
                  if(currentplayer=='O'){
                      currentplayer='X';
                  }
                  else{
                      currentplayer='O';
                  }
              }
              else{
                      printf("\nINVALID POSITION OR MOVE!");
              }   
          }
          print();
          if(end()==0){
              printf("\nIt's a draw!!");
              return 0;
          }
          printf("\nPlayer %c wins!!",currentplayer);
      }
      else{
          currentplayer='O';
          printf("player O goes first!\n\nPlayer O, enter the position where you want to place your X:\nRow: ");
          scanf("%d",&x);
          printf("\nColumn:");
          scanf("%d",&y);
          x--;
          y--;
          arr[x][y]=currentplayer;
          currentplayer='X';
          while(!end()){
              print();
              printf("\nPlayer %c, enter the position where you want to place your %c:\nRow: ",currentplayer,currentplayer);
              scanf("%d",&x);
              printf("\nColumn: ");
              scanf("%d",&y);
              x--;
              y--;
              if(valid(x,y)){
                  arr[x][y]=currentplayer;
                  if(currentplayer=='O'){
                      currentplayer='X';
                  }
                  else{
                      currentplayer='O';
                  }
              }
              else{
                    printf("\nINVALID POSITION OR MOVE!");
              }   
          }
          print();
          if(end()==0){
              printf("\nIt's a draw!!");
              return 0;
          }
          printf("\nPlayer %c wins!!",currentplayer);
        }
  }
  else{
    printf("\n\n\nMODE: PLAYER (X) VS COMPUTER (O)\n\nThe LUCK GODS have decided that ");
    int x,y;
    char currentplayer;
    int toss2=toss();
    if(toss2==1){
        currentplayer='X';
        printf("player (X) goes first!\n\nPlayer, enter the position where you want to place your X:\nRow: ");
        scanf("%d",&x);
        printf("\nColumn:");
        scanf("%d",&y);
        x--;
        y--;
        arr[x][y]='X';
        currentplayer='O';
        while(!end()){
          print();
          if(currentplayer=='X'){
            printf("\nPlayer, enter the position where you want to place your X:\nRow: ");
            scanf("%d",&x);
            printf("\nColumn: ");
            scanf("%d",&y);
          }
          else{//computer er turn ta ekhane dibo
            x=rand()%5+1;
            y=rand()%5+1;
            printf("\nComputer's move:\nRow: %d\nColumn: %d\n",x,y);
          }
          x--;
          y--;
          if(valid(x,y)){
              arr[x][y]=currentplayer;
              if(currentplayer=='O'){
                  currentplayer='X';
              }
              else{
                  currentplayer='O';
              }
          }
          else{
                printf("\nINVALID POSITION OR MOVE!");
          }
        }
        print();
        if(end()==0){
            printf("\nIt's a draw!!");
            return 0;
        }
        if(currentplayer=='O'){
          printf("\nPlayer wins!!");
        }
        else{
          printf("\nComputer wins!!");
        }
    }
    else{
      currentplayer='O';
      printf("Computer (O) goes first!");
      x=rand()%5+1;
      y=rand()%5+1;
      x--;
      y--;
      printf("\nComputer's move:\nRow: %d\nColumn: %d\n",x,y);
      arr[x][y]='O';
      print();
      currentplayer='X';
      while(!end()){
        if(currentplayer=='X'){
          printf("\nPlayer, enter the position where you want to place your %c:\nRow: ",currentplayer);
          scanf("%d",&x);
          printf("\nColumn: ");
          scanf("%d",&y);
        }
        else{//computer er turn ta ekhane dibo
          x=rand()%5+1;
          y=rand()%5+1;
          printf("\nComputer's move:\nRow: %d\nColumn: %d\n",x,y);
        }
        x--;
        y--;
        if(valid(x,y)){
            arr[x][y]=currentplayer;
            if(currentplayer=='O'){
                currentplayer='X';
            }
            else{
                currentplayer='O';
            }
        }
        else{
                printf("\nINVALID POSITION OR MOVE!");
        }
        print();
      }
      if(end()==0){
          printf("\nIt's a draw!!");
          return 0;
      }
      if(currentplayer=='O'){
        printf("\nPlayer wins!!");
      }
      else{
        printf("\nComputer wins!!");
      }
    }
  }
  return 0;
}