三子棋

test.c
#define _CRT_SECURE_NO_WARNINGS 1
#include "game.h"



//测试三子棋

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

}

void game() {
  char ret = 0;
  //数组  存放走出的棋盘信息
  char board[ROW][COL] = { 0 };
  //初始化棋盘
  initboard(board , ROW , COL);
  //打印棋盘
  DisplayBoard(board , ROW, COL);
  //下棋
  while (1) {
    //玩家下棋
    PlayerMove(board,ROW,COL);
    DisplayBoard(board, ROW, COL);
    //判断玩家是否赢
    ret = IsWin(board, ROW, COL);
    if (ret != 'C') {
      break;
    }

    //电脑下棋
    ComputerMove(board, ROW, COL);
    DisplayBoard(board, ROW, COL);
    //判断电脑是否赢
    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 if (ret == 'Q') {
    printf("平局\n");
  
  }

}


void test() {
  int input = 0;
  srand((unsigned int)time(NULL));
  do
  { 
    menu();
    printf("请选择:>");
    scanf("%d", &input);
    switch (input) {
    case 1:
      game();
      printf("三子棋\n");
      break;
    case 0:
      printf("退出游戏\n");
      break;
    default:
      printf("选择错误，请重新选择\n");
      break;
    
    }
  } while (input);

}


int main() {
  
  test();
  return 0;


}

game.c
#define _CRT_SECURE_NO_WARNINGS 1
#include "game.h"

void initboard(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++) {
      board[i][j] = ' ';
    }
  }
}

//void DisplayBoard(char board[ROW][COL], int row, int col) {
//  int i = 0;
//  for ( i = 0; i < row; i++)
//  {
//    //打印第一行的数据
//    printf(" %c | %c | %c | \n",board[i][0], board[i][1], board[i][2]);
//    //2.打印分割行
//    if (i < row-1)
//    {
//      printf("---|---|---|\n");
//    }
//  }
//}

void DisplayBoard(char board[ROW][COL], int row, int col) {

  int i = 0;
  for ( i = 0; i < row; i++)
  {
    //打印第一行的数据
    int j = 0;
    for (j = 0; j < col; j++)
    {
      printf(" %c ", board[i][j]);
      if (j < col - 1)
      {
        printf("|");
      }
    }
    printf("\n");

      //2.打印分割行
    if (i < row - 1)
    {
      for ( j = 0; j < col; j++)
      {
        printf("---");
        if(j < col - 1) {
          printf("|");
        }
      }
      printf("\n");
    }
    
  }
}

void PlayerMove(char board[ROW][COL], int row, int col) {
  int x = 0;
  int y = 0;
  printf("玩家走: >\n");

  while (1)
  {
    printf("请输入要下地坐标:>");
    scanf("%d%d", &x, &y);
    //判断x y 的合法性
    if (x >= 1 && y <= row && y >= 1 && y <= col) {
      if (board[x-1][y-1] == ' ')
      {
        board[x - 1][y - 1] = '*';
        break;
      }
      else {
        printf("该坐标被占用\n");
      }
    }
    else {
      printf("坐标非法，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] = '#';
      break;
    }
  }
}

//返回 1 棋盘满了    返回0 棋盘没满
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; // 没满
      }
    }
  }
  return 1; //满了


}

char IsWin(char board[ROW][COL], int row, int col) {

  int i = 0;
  //横三行
  for (i = 0; i < row; i++)
  {
    if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][1] != ' ') {

      return board[i][1];
    }
  }
  //竖三行
  for (i = 0; i < col; i++)
  {
    if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[1][i] != ' ') {
      return board[1][i];
    }
  }
  //两个对角线
  if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[1][1] != ' ') {
    return board[1][1];
  }
  if (board[2][0] == board[1][1] && board[1][1] == board[0][2] && board[1][1] != ' '){
    return board[1][1];
  }

  //判断平局
  if (1 == IsFull(board, ROW, COL)) {
    return 'Q';
  }

  return 'C';

}

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

#define ROW 3
#define COL 3

void initboard(char board[ROW][COL],int row , int col);

void DisplayBoard(char board[ROW][COL], int row, int col);
void PlayerMove(char board[ROW][COL], int row, int col);
void omputerMove(char board[ROW][COL], int row, int col);

//四种状态
//1.玩家赢 '*'
//2.电脑赢 '#'
//3.平局   'Q'
//4.继续   'C'
char IsWin(char board[ROW][COL], int row, int col);