三子棋（拓展n维）

game.h

#define _CRT_SECURE_NO_WARNINGS 1
#ifndef __GAME_H__
#define __GAME_H__
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#define ROW 3//可调节行列数
#define COL 3//尽量保持行列数相同
void printboard(char board[ROW][COL], int row, int col); //打印棋盘
void initboard(char board[ROW][COL], int row, int col); //初始化棋盘
void playermove(char board[ROW][COL], int row, int col); //玩家下棋
void computermove(char board[ROW][COL], int row, int col); //电脑下棋
char checkwin(char board[ROW][COL], int row, int col); //判输赢
int isfull(char board[ROW][COL], int row, int col); //判断棋盘是否为满
#endif

game.c

#include "game.h"
void printboard(char board[ROW][COL], int row, int col)
{
 int i,j = 0;
 for (i = 0; i < row; i++)
 {
  for (j = 0; j < col-1;j++)
   printf(" %c |", board[i][j]); 
      printf(" %c \n",board[i][j]);
  /*printf(" %c | %c | %c  \n", board[i][0], board[i][1], board[i][2]);*/
  for (j = 0; j < col; j++)
  {
   if (j < row - 1)
    printf("---|");
   if (j == row - 1)
    printf("---");
  }
  printf("\n");
 }
}
void initboard(char board[ROW][COL], int row, int col)
{
 memset(board, ' ', row * col * sizeof(board[0][0]));
}
void playermove(char board[ROW][COL], int row, int col)
{
 int x = 0;
 int y = 0;
 printf("玩家走：\n");
 while (1)
 {
  printf("请输入坐标: ");
  scanf("%d%d", &x, &y);
  if (x >= 1 && x <= row && y >= 1 && y <= col && board[x - 1][y - 1] == ' ')
  {
   board[x - 1][y - 1] = 'X';
   break;
  }
  else
   printf("坐标不合法，请重新输入\n");
 }
}
void computermove(char board[ROW][COL], int row, int col)
{
 int x = 0;
 int y = 0;
 printf("电脑走：\n");
 while (1)
 {
  x = rand() % row;
  y = rand() % col;
  if (board[x][y] == ' ')
  {
   board[x][y] = '0';
   break;
  }
 }
}
int isfull(char board[ROW][COL], int row, int col)
{
 int i = 0;
 int j = 0;
 for (i = 0; i < row; i++)
 {
  for (j = 0; j < col; j++)
  {
   if (board[i][j] == ' ')
    return 0;
  }
 }
 return 1;
}
char checkwin(char board[ROW][COL], int row, int col)
{
 int i = 0; 
 for (i = 0; i < row; i++)
 { 
  for(int j=0;j<col-1;j++)
  {
   if (board[i][j]!=board[i][j+1])
    break;
   if(j==col-2)
    return board[i][j];
  }
 }
 for (int j = 0; j < col ; j++)
 {
  for (int i = 0; i < row - 1; i++)
  {
   if (board[i][j] != board[i + 1][j])
    break;
   if (i== col - 2)
    return board[i][j];
  }
  
 }
 /*for (i = 0; i < row; i++) 
 {
  if (board[i][0] == board[i][1] && board[i][1] == board[i][2])
   return board[i][0];
 }
 for (i = 0; i < col; i++) 
 {
  if (board[0][i] == board[1][i] && board[1][i] == board[2][i])
   return board[0][i];
 }*/
 for (int i = 0; i < col - 1; i++)//对角线
 {
  if (board[i][i] != board[i+1][i+1])
   break;
  if (i == col - 2)
   return board[i][i];
 }
 for (int i = 0; i < col - 1; i++)
 {
  if (board[i][col-i-1] != board[i+1][col-(i+1)-1])
   break;
  if (i == col - 2)
   return board[i][col-i-1];
 }
 //if (board[0][0] == board[1][1] && board[1][1] == board[2][2]) 
 // return board[0][0];
 /*if (board[0][2] == board[1][1] && board[1][1] == board[2][0])
  return board[1][1];*/
 if (isfull(board, ROW, COL))
  return 'Q';
 else
  return ' ';
}

test.c文件

#include "game.h"
void game()
{
 char ret = 0;
 char board[ROW][COL] = { '0' };
 initboard(board, ROW, COL);
 printboard(board, ROW, COL);
 while (1)
 {
  playermove(board, ROW, COL);
  printboard(board, ROW, COL);
  ret = checkwin(board, ROW, COL);
  if (ret == 'X')
  {
   printf("恭喜你赢了！\n");
   break;
  }
  else if (ret == 'Q')
  {
   printf("平局\n");
   break;
  }
  computermove(board, ROW, COL);
  printboard(board, ROW, COL);
  ret = checkwin(board, ROW, COL);
  if (ret == '0')
  {
   printf("电脑赢！\n");
   break;
  }
 }
}
void menu()
{
 printf("--------------------欢迎来到三子棋游戏--------------------\n");
 printf(" *****************************************\n");
 printf(" ** 1.play 0.exit **\n");
 printf(" *****************************************\n");
}
int main()
{
 int input = 0;
 srand((unsigned int)(time(NULL)));
 do
 {
  menu();
  printf("请输入你的选择：");
  scanf("%d", &input);
  switch (input)
  {
  case 1:
   game();
   break;
  case 0:
   break;
  default:
   printf("输入错误，请重新选择！\n");
  }
 } while (input);
 system("pause\n");
 return 0;
}