C语言代码实现简单三子棋游戏

test.c//主程序 函数实现
game.c//主要用于自定义函数的定义
game.h//声明自定义函数

#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h> //#include<>：编译器直接从系统类库目录里查找头文件：
#include"game.h"  //#include"":默认从项目当前目录查找头文件，所谓项目当前目录，就是项目工程文件所在的目录
void menu() {
 printf("*********************************\n");
 printf("*************  1.play  **********\n");
 printf("*************  0.exit  **********\n");
 printf("*********************************\n");
}
void game() {
 //三子棋过程
 char board[row][col];//棋盘数组
 //初始化棋盘--board的元素都给成空格
 InitBoard(board, row, col);
 
 //打印棋盘
 DisplayBoard(board, row, col);
 
 //下棋
 char ret = 0;
 while (1) {
  PlayMove(board,row,col);
  DisplayBoard(board, row, col);
  //判断输赢
  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("和局\n");
 DisplayBoard(board, row, col);
}
int main() {
 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("退出游戏\n");
   break;
  default:
   printf("选择错误\n");
   break;
  }
 
 } while (input);
 return 0;
}

#define _CRT_SECURE_NO_WARNINGS 
#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 PlayMove(char board[row][col], int ROW, int COL) {
 printf("玩家下棋：>\n");
 
 int x = 0;
 int y = 0;
 
 while (1) {
  printf("请输入坐标：>");
  scanf("%d%d", &x, &y);
  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;
  }
 }
}
 
//判断棋盘是否已满
int full(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 IsWin(char board[row][col], int ROW, int COL) {
 //1.判断输赢
 //三行
 int i = 0;
 for (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];
  }
 }
 //三列
 for (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[0][0] != ' ') {
  return board[0][0];
 }
 else if (board[2][0] == board[1][1] && board[1][1] == board[0][2] && board[2][0] != ' ')
  return board[1][1];
 //2.判断平局
 else if (full(board, ROW, COL) == 1)
  return 'Q';
 //3.游戏继续
 else
  return 'C';
 
}

#pragma once
 
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
 
#define row 3
#define col 3
 
//初始化棋盘
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 PlayMove(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
//要返回四种不同的状态
//玩家赢-返回“*”，电脑赢返回“#”，和局返回“Q”
//继续游戏返回'C'
 
char IsWin(char board[row][col], int ROW, int COL);
 
//判断棋盘是否已满
int full(char board[row][col], int ROW, int COL);