【C语言——小项目】

三子棋

项目介绍

代码

sanziqitest.c

#include "game.h"
char ret;
void menu()
{
  printf("***********************************************\n");
  printf("***************1.play     0.exit***************\n");
  printf("***********************************************\n");
}

void game()
{
  char board[ROW][COL] = {0};//只有game函数被执行完，board才会被释放
 
 
  InitBoard(board,ROW,COL);
 
  DisplayBoard(board,ROW,COL);

  //下棋，一直下棋，知道有人赢
  while(1)
  {
    //玩家下棋（落到数组上）
    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{
    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();
          break;
        case 0:
          printf("退出");
          break;
        default :
          printf("重新输入\n");
          break;
      }
  }while(input);
}

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

game.c

#include "game.h"
//每个元素都初始化
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++)
  { 
    int j = 0;
    //打印一行数据
    for(j = 0; j<col; j++)
    {
      printf(" %c ",board[i][j]);
      if(j < col - 1)
          printf("|");;
    }
    //分行
    printf("\n");
    //打印分割行1
    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("player move>\n");
  while(1)
  {
    printf("please input cordinate:>");
    scanf("%d%d",&x,&y);
      //判断x,y坐标的合法性
      if(x>=1 && x <= row && y>=1 && y<= col)
      {
        //判断下棋的地方是否已经满了
        if(board[x-1][y-1] == ' ')  //空格
        {
          board[x-1][y-1] = '*';    //*
          break;  //落子成功，跳出循环
        }
        else
        {
          printf("this place had been used\n");
        }
      }
      else
      {
        printf("cordinate is illegal please input again!\n");
      }
  }

}

void ComputerMove(char board[ROW][COL],int row,int col)
{
  int x = 0;
  int y = 0;
  printf("computer move:>\n");
  //电脑并不需要检查落子，循环直到找到空格即可
  while(1)
  {
    //生成随机点
    x = rand() % row;
    y = rand() % col;
    if(board[x][y] == ' ')
    {
      board[x][y] = '#';
      break;  
    }
  }
}
//返回1 表示棋盘满， 返回0 表示没满
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;//没满
      }
    }
  }
  return 1;//满了
}

char IsWin(char board[ROW][COL],int row,int col)
{
  int i = 0;
  //判断三行
  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];//返回任何一个元素
    }
  }
  //判断三列
  for(i = 0; i<col; i++)
  {
    if(board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[1][i] != ' ')
    {
      return board[i][1];//返回任何一个元素
    }
  }
  //判断对角线
  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];
  }
  //盘带是否平局
  //1、没人赢，棋盘满
  if(1 == IsFull(board,ROW,COL))
  {
    return 'P';
  }
  else{
    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 ComputerMove(char board[ROW][COL],int row,int col);
//告诉我们四种游戏的状态
//玩家赢 - ''*
//电脑赢 - '#'
//平局   - 'P'
//游戏继续  - 'C'
int IsFull(char board[ROW][COL],int row,int col);
char IsWin(char board[ROW][COL],int row,int col);

演示效果