一、问题描述
用C语言实现三子棋
二、基本步骤
1.添加game.c和test.c源文件,game.h头文件
2.创建菜单,玩家选择开始游戏或退出游戏
3.初始化棋盘
4.打印出棋盘
5.玩家下棋
6.电脑下棋
7.判断胜负
三、主要函数
1.菜单界面
void menu()
{
printf("*************************\n");
printf("******** 1. play ********\n");
printf("******** 0. exit ********\n");
printf("*************************\n");
}
2.初始化棋盘
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] = ' ';
}
}
}
3.打印棋盘
void DisplayBoard(char board[ROW][COL], int row, int col)
{
for (int i = 0;i < row; i++)
{
int j = 0;
//打印数据
for (j = 0;j < col; j++)
{
printf(" %c ", board[i][j]);
if (j < row - 1)
{
printf("%c", '|');
}
}
printf("\n");
//打印分界线
if (i < row - 1)
{
for (j = 0;j < row;j++)
{
printf("---");
if (j < row - 1)
{
printf("%c", '|');
}
}
}
printf("\n");
}
}
4.玩家下棋
void PlayerMove(char board[ROW][COL], int row, int col)
{
int x = 0;
int y = 0;
while(1)
{
printf("请输入坐标:<");
scanf("%d,%d", &x, &y);
if (x <= row && y <= col && board[x - 1][y - 1] == ' ')
{
board[x - 1][y - 1] = '*';
break;
}
else
{
printf("输入坐标非法,请重新输入");
}
}
}
5.电脑下棋
void ComputerMove(char board[ROW][COL], int row, int col)
{
while(1)
{
int x = rand() % row;
int y = rand() % col;
if (board[x][y] == ' ')
{
board[x][y] = '#';
break;
}
}
}
6.判断平局
int Is_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 1;
}
}
return 0;
}
7.判断胜负
int Is_win(char board[ROW][COL], int row, int col)
{
int i = 0;
int j = 0;
//判断行
for (i = 0;i < row; i++)
{
if (board[i][0] == '*' && board[i][1] == '*' && board[i][2] == '*')
{
return 1;
}
else if (board[i][0] == '#' && board[i][1] == '#' && board[i][2] == '#')
{
return 0;
}
}
//判断列
for (i = 0;i < row; i++)
{
if (board[0][i] == '*' && board[1][i] == '*' && board[2][i] == '*')
{
return 1;
}
else if (board[0][i] == '#' && board[1][i] == '#' && board[2][i] == '#')
{
return 0;
}
}
//判断对角线
if ((board[0][0] == '*' && board[1][1] == '*' && board[2][2] == '*')
|| (board[0][2] == '*' && board[1][1] == '*' && board[2][0] == '*'))
{
return 1;
}
else if ((board[0][0] == '#' && board[1][1] == '#' && board[2][2] == '#')
|| (board[0][2] == '#' && board[1][1] == '#' && board[2][0] == '#'))
{
return 0;
}
//判断是否平局
int ret = Is_full(board, row, col);
if (ret == 0)
{
return 2;
}
return 3;
}
#pragma once
#include
#include
#include
#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);
int Is_win(char board[ROW][COL], int row, int col);
int Is_full(char board[ROW][COL], int row, int col);
主要函数
#define _CRT_SECURE_NO_WARNINGS
#include"game.h"
void menu()
{
printf("*************************\n");
printf("******** 1. play ********\n");
printf("******** 0. exit ********\n");
printf("*************************\n");
}
void game()
{
char board[ROW][COL];
//初始化棋盘
InitBoard(board, ROW, COL);
//打印棋盘
DisplayBoard(board, ROW, COL);
while(1)
{
//玩家走
PlayerMove(board, ROW, COL);
DisplayBoard(board, ROW, COL);
int n = Is_win(board, ROW, COL);
//判断胜负
if (n == 0)
{
printf("电脑获胜");
break;
}
else if (n ==1)
{
printf("玩家获胜");
break;
}
else if(n==2)
{
printf("平局");
break;
}
else
{
printf("电脑走:>\n");
}
//电脑走
ComputerMove(board, ROW, COL);
DisplayBoard(board, ROW, COL);
n = Is_win(board, ROW, COL);
//判断胜负
if (n==0)
{
printf("电脑获胜");
break;
}
else if (n == 1)
{
printf("玩家获胜");
break;
}
else if(n==2)
{
printf("平局");
break;
}
else
{
printf("玩家走:>\n");
}
}
}
int main()
{
srand((unsigned int)time(NULL));
int input = 0;
do
{
menu();
scanf("%d", &input);
switch (input)
{
case 1:
game();
break;
case 0:
break;
default:
printf("输入错误,请重新输入");
break;
}
} while (input);
return 0;
}
1.使用宏定义:提高代码可读性,也便于修改
#define ROW 3
#define COL 3
2.电脑随机生成落子坐标在主函数中使用
srand((unsigned int)time(NULL));