基于C语言实现三子棋游戏

#include<stdio.h>
#include<stdlib.h>
#include<time.h>

#define ROW 3
#define COL 3

//棋盘初始化
void InitBoard(char board[ROW][COL], int row, int col);

// 打印棋盘
void DisplayBoard(char board[ROW][COL], int row, int col);

//玩家下棋
void PlayerMove(char board[ROW][COL], int row, int col);

//电脑下棋
void ComputerMove(char board[ROW][COL], int row, int col);

//判断输赢
char IsWin(char board[ROW][COL], int row, int col);

//判断游戏输赢
//要返回4种不同的状态
//玩家赢 - '*'
//电脑赢 - '#'
//平局 -  ‘Q'
//继续 -   'C'

#include"game.h"

void menu()
{
 printf("*****************************************\n");
 printf("************    1.play    ***************\n");
 printf("************    0.exit    ***************\n");
 printf("*****************************************\n");
}

void game()
{
 char board[ROW][COL];
 InitBoard(board, ROW, COL); //初始化棋盘
 DisplayBoard(board, ROW, COL); //打印棋盘

 char ret = 0;
 while (1)
 {
  PlayerMove(board, ROW, COL);
  DisplayBoard(board, ROW, COL);
  ret = IsWin(board, ROW, COL);
  if (ret != 'C')
  {
   break;
  }
  ComputerMove(board, ROW, COL);
  DisplayBoard(board, ROW, COL);
  ret = IsWin(board, ROW, COL);
  if (ret != 'C')
  {
   break;
  }
 }
 if (ret == '*')
 {
  printf("玩家赢\n");
 }
 else if (ret == '#')
 {
  printf("电脑赢\n");
 }
 else
 {
  printf("平局\n");
 }

}

int main()
{
 int input = 0;
 srand((unsigned)time(NULL));

 do
 {
  menu();
  printf("请输入:");
  scanf("%d", &input);
  switch (input)
  {
  case 1:
   game();
   break;
  case 0:
   printf("退出游戏\n");
   break;
  default:
   printf("选择错误\n");
   break;
  }
 } while (input);

 return 0;
}

#include"game.h"

void InitBoard(char board[ROW][COL], int row, int col)
{
 for (int i = 0; i < row; i++)
 {
  for (int j = 0; j < col; j++)
  {
   board[i][j] = ' ';
  }
 }
}

void DisplayBoard(char board[ROW][COL], int row, int col)
{
 for (int i = 0; i < row; i++)
 {
  //打印数据
  for (int j = 0; j < col; j++)
  {
   printf(" %c ", board[i][j]);
   if (j < col - 1)
    printf("|");
  }
  printf("\n");
  //打印分割行
  if (i < row - 1)
  {
   for (int j = 0; j < col; j++)
   {
    printf("---");
    if (j < col - 1)
     printf("|");
   }
  }
  printf("\n");
 }
}

void PlayerMove(char board[ROW][COL], int row, int col)
{
 printf("玩家走:>\n");

 int x = 0;
 int y = 0;
 while (1)
 {
  printf("请输入坐标:>");
  scanf("%d%d", &x, &y);//2 1 表示第二行第一列
  if (x >= 1 && x <= row && y >= 1 && y <= col)
  {
   if (board[x - 1][y - 1] == ' ')
   {
    board[x - 1][y - 1] = '*';
    break;
   }
   else
   {
    printf("坐标被占用，请重新输入\n");
   }
  }
  else
  {
   printf("坐标非法，超出范围\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] = '#';
   break;
  }
 }
}

int IsFull(char board[ROW][COL], int row, int col)
{
 for (int i = 0; i < row; i++)
 {
  for (int j = 0; j < col; j++)
  {
   if (board[i][j] == ' ')
   {
    return 0;//不满
   }
  }
 }
 return 1;//棋盘满
}

char IsWin(char board[ROW][COL], int row, int col)
{
 //行
 for (int i = 0; i < row; i++)
 {
  if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][0] != ' ')
  {
   return board[i][0];
  }
 }
 //列
 for (int i = 0; i < col; i++)
 {
  if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[0][i] != ' ')
  {
   return board[0][i];
  }
 }
 //对角线
 if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[1][1] != ' ')
  return board[1][1];

 if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[1][1] != ' ')
  return board[1][1];

 //判断平局
 if (IsFull(board, row, col))
 {
  return 'Q';
 }
 //游戏继续
 return 'C';
}