C语言：三子棋

目录

三子棋

思路：

头文件

游戏逻辑

游戏主体

---

三子棋

思路：

1 打印棋盘（二维数组，循环语句）

2 玩家下棋（赋值）

3 电脑下棋（生成随机值，赋值）

4 判断输赢（赢，输，平局，继续（没下完））

头文件

//game.c

#pragma once


#define ROW 3
#define COL 3

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

//初始化
void init_board(char board[ROW][COL], int row, int col);

//打印界面
void print_board(char board[ROW][COL], int row, int col);

//玩家输入
void player_move(char board[ROW][COL], int row, int col);

//电脑输入
void computer_move(char board[ROW][COL],int row,int col);

//判断输赢
char is_win(char board[ROW][COL], int row, int col);

游戏逻辑

//test.c

#include"game.h"

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

void game()
{
	//结果判断
	char ret = 0;
	//数组
	char board[ROW][COL] = { 0 };
	//初始化（空格）
	init_board(board, ROW, COL);

	while (1)
	{

		//玩家输入
		player_move(board, ROW, COL);

		//打印界面
		print_board(board, ROW, COL);

		//判断输赢
		ret = is_win(board, ROW, COL);
		if (ret != 'C')
		{
			break;
		}

		//电脑输入
		computer_move(board, ROW, COL);

		//打印界面
		print_board(board, ROW, COL);

		//判断输赢
		ret = is_win(board, ROW, COL);
		if (ret != 'C')
		{
			break;
		}
	}
	if (ret == 'Q')
	{
		printf("平局\n");
	}
	else if (ret == '#')
	{
		printf("电脑赢了\n");
	}
	else
	{
		printf("你赢了，孩子\n");
	}
}

int main()
{
	int input = 0;
	srand(time(NULL));
	do
	{
		menu();
		printf("请输入:>");
		scanf("%d", &input);
		switch (input)
		{
		case 1:
			game();
			break;
		case 0:
			printf("退出游戏");
			break;
		default:
			printf("输入错误，重新输入\n");
		}

	} while (input);
	return 0;
}

游戏主体

//game.c

#include"game.h"


//初始化
void init_board(char board[ROW][COL], int row, int col)
{
	int i = 0;
	for (i = 0; i < row; i++)
	{
		int j = 0;
		for (j = 0; j < col; j++)
		{
			board[i][j] = ' ';
		}
	}
}

//打印界面
void print_board(char board[ROW][COL], int row, int col)
{
	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)
					printf("|");
			}
			printf("\n");
		}
	}
}


//玩家输入
void player_move(char board[ROW][COL], int row, int col)
{
	again:
	printf("玩家下棋\n");
	int x = 0;
	int y = 0;
	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] = '*';
			
		}
		else
		{
			printf("该位置已被占用\n");
			goto again;
		}
	}
	else
	{
		printf("输入错误\n");
	}

}

//电脑输入

void computer_move(char board[ROW][COL], int row, int col)
{
	printf("电脑下棋\n");
	while (1)
	{
		int x = rand() % row ;
		int y = rand() % col ;
		if (board[x][y] == ' ')
		{
			board[x][y] = '#';
			break;
		}
	}
}

//判断是否平局
int is_full(char board[ROW][COL], int row, int col)
{
	int i = 0;
	for (i = 0; i < row; i++)
	{
		int j = 0;
		for (j = 0; j < col; j++)
		{
			if (board[i][j] == ' ')
			{
				return 0;
			}
		}
	}
	return 1;
}


//判断输赢
//四种情况：输 赢 平局 继续  *（没玩完）*


char is_win(char board[ROW][COL], int row, int col)
{
	int i = 0;
	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];
		}
	}
	int j = 0;
	for (j = 0; j < col; j++)
	{
		if (board[0][j] == board[1][j] && board[1][j] == board[2][j] && board[1][j] != ' ')
		{
			return board[1][j];
		}
	}
	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];
	}
	if (is_full(board,ROW,COL) == 1)
	{
		return 'Q';
	}
	return 'C';
}