N子棋小游戏
game.h
#pragma once
#ifndef _GAME_H_
#define _GAME_H_
#includetest.c
#define _CRT_SECURE_NO_WARNINGS 1
#include"game.h"
void menu()
{
printf("**************************\n");
printf("****** 1.play ******\n");
printf("****** 0.exit ******\n");
printf("**************************\n");
}//菜单
void test()
{
int input = 0;
srand((unsigned int)time(NULL));
int n = 0;
do
{
menu();
printf("请开始游戏：>");
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);
}
int main()
{
test();
return 0;
}
game.c
#define _CRT_SECURE_NO_WARNINGS 1
#include"game.h"
void game()
{
int input = 0;
char ret = 0;
char board[ROW][COL] = { 0 };//row,col分别代表棋盘的行和列
InitBoard(board, ROW, COL);//初始化棋盘
printf("请选择电脑先走还是玩家先走：1.电脑先走 2.玩家先走\n");
scanf("%d", &input);
DisplayBoard(board, ROW, COL);//打印棋盘
while (1)
{
if (input == 1)//电脑先走
{
ComputerMove(board, ROW, COL);
ret = IsWin(board, ROW, COL);//判断输赢
if (ret != ' ')
{
break;
}
DisplayBoard(board, ROW, COL);
PlayerMove(board, ROW, COL);
ret = IsWin(board, ROW, COL);
if (ret != ' ')//电脑或玩家赢得游戏或平局，游戏结束
{
break;
}
DisplayBoard(board, ROW, COL);
}
if (input == 2)//玩家先走
{
{
PlayerMove(board, ROW, COL);
ret = IsWin(board, ROW, COL);
if (ret != ' ')
{
break;
}
DisplayBoard(board, ROW, COL);
ComputerMove(board, ROW, COL);
ret = IsWin(board, ROW, COL);
if (ret != ' ')
{
break;
}
DisplayBoard(board, ROW, COL);
}
}
}
//玩家赢--返回'x'
//电脑赢--返回'0'
//平局----返回'P'
//继续----返回' '
if (ret == 'P')
{
printf("平局\n");
}
else if (ret == 'x')
{
printf("玩家赢\n");
}
else if (ret == 'o')
{
printf("电脑赢\n");
}
DisplayBoard(board, ROW, COL);
}
void InitBoard(char board[ROW][COL], int row, int col)//初始化棋盘
{
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)//打印棋盘
{
int i = 0;
for (i = 0; i < row; i++)
{
int j = 0;
for (j = 0; j < col; j++)
{
printf(" %c ", board[i][j]);
if (j < col - 1)
{
printf("|");
}
}
printf("\n");
if (i < row - 1)
{
for (j = 0; j < col; j++)
{
printf("---");
if (j < col - 1)//最后一列不打印|
{
printf("|");
}
}
}
printf("\n");
}
}
void ComputerMove(char board[ROW][COL], int row, int col)//电脑走
{
int x = 0;
int y = 0;
printf("电脑走：>\n");
while (1)
{
x = rand() % row;//产生随机数，如果row为3，则产生0-2之间的随机数
y = rand() % col;
if (board[x][y] == ' ')//如果检测到这个位置为空格，电脑下棋，将空格改为‘o’
{
board[x][y] = 'o';
break;//如果电脑走成功就停下
}
}
}
void PlayerMove(char board[ROW][COL], int row, int col)//玩家走
{
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)//要为玩家输入时考虑，下标要从1开始
{
if (board[x - 1][y - 1] == ' ')//注意坐标减一，如果这个位置是空格，玩家下棋，将空格改为‘x’
{
board[x - 1][y - 1] = 'x';
break;
}
else//如果坐标合法但这个位置不是空格，提示坐标已被占用
{
printf("该坐标已经被占用\n");
}
}
else//输入的坐标不在给定范围内即为非法坐标
{
printf("该坐标非法\n");
}
}
}
int IsFull(char board[ROW][COL], int row, int col)//判断平局
{
int i = 0;
int j = 0;
for (i = 0; i < row; i++)
{
for (j = 0; j < col; j++)//把棋盘全部遍历一遍后如果检测出有空格，返回0
{
if (board[i][j] == ' ')
return 0;
}
}
return 1;//没有检测出空格，说明棋盘已经被填满，即为平局，返回1
}
char IsWin(char board[ROW][COL], int row, int col)//判断输赢
{
int i = 0;
int j = 0;
int tmp = 0;
//游戏输赢
for (i = 0; i < row; i++)//横三行
{
tmp = 0;
for (j = 0; j < col - 1; j++)
{
if (board[i][j] == board[i][j + 1] && board[i][j] != ' ')//判断三个字符相等但不能为空格
{
;
}
else
{
tmp = 1;
break;
}
}
if (tmp == 0)
{
return board[i][j];
}
}
for (j = 0; j < col; j++)//竖三行
{
tmp = 0;
for (i = 0; i < row - 1; i++)
{
if (board[i][j] == board[i + 1][j] && board[i][j] != 0)
{
;
}
else
{
tmp = 1;
break;
}
}
if (tmp == 0)
{
return board[i][j];
}
}
for (i = 0, j = 0; i < row - 1, j < col - 1; i++, j++)//左上到右下
{
tmp = 0;
if ((tmp == 0) && (board[i][j] == board[i + 1][j + 1]) && board[i][j] != ' ')
{
;
}
else
{
tmp = 1;
break;
}
}
if (tmp == 0)
{
return board[i][j];
}
for (i = 0, j = row - 1; i < row - 1, j>0; i++, j--)//右上到左下
{
tmp = 0;
if (board[i][j] == board[i + 1][j - 1])
{
;
}
else
{
tmp = 1;
break;
}
}
if (tmp == 0)
{
return board[i][j];
}
//判断平局
if (IsFull(board, row, col))
{
return 'P';
}
//游戏继续
return ' ';
}