[C++知识库][C语言]三子棋（随机版）

game1.h

#pragma once
#include<stdio.h>
#include<windows.h>
#define ROW 3
#define COL 3

//初始化数组
void InitBoard(char board[][COL], int row, int col);

//打印棋盘
void DisplayBoard(char board[][COL], int row, int col);

//玩家下棋
void Player(char board[][COL], int row, int col);

//电脑下棋
void Computer(char board[][COL], int row, int col);

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

game1.c

#include"game1.h"

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

//打印棋盘
void DisplayBoard(char board[][COL], int row, int col)
{
	for (int i = 0; i < row; i++)
	{
		for (int j = 0; j < col; j++)
		{
			printf(" %c ", board[i][j]);
			if (j != col - 1)
				printf("|");
		}
		printf("\n");
		if (i != row - 1)
		{
			for (int k = 0; k < col; k++)
			{
				printf("---");
				if (k != col-1)
					printf("|");
			}
			printf("\n");
		}
	}
}

//玩家下棋
void Player(char board[][COL], int row, int col)
{
	int n = 0;
	int m = 0;
	printf("玩家输入坐标:");
	while(1)
	{
		scanf("%d%d", &n, &m);
		if (n > row || m > col)
		{
			system("cls");
			DisplayBoard(board, row, col);
			printf("请输入范围内的坐标：");
			continue;
		}
		else if (board[n - 1][m - 1] != ' ')
		{
			system("cls");
			DisplayBoard(board, row, col);
			printf("该坐标已被占用，请重新输入：");
			continue;
		}
		else
		{
			board[n - 1][m - 1] = '*';
			break;
		}
	}
}

//电脑下棋
void Computer(char board[][COL], int row, int col)
{
	if (board[1][1] == ' ')
		board[1][1] = '#';
	else
	{
	insert:;
		int x = 0;
		int y = 0;
		x = rand() % row;
		y = rand() % col;
		if (board[x][y] == ' ')
		{
			board[x][y] = '#';
		}
		else
			goto insert;
	}

}

//判断输赢（玩家赢、电脑赢、棋局满了）
char Judge(char board[][COL], int row, int col)
{
	for (int i=0;i<row;i++)//扫描每一行是否相同
	{
		int r = 0;
		for (int j=0;j<col-1;j++)//扫描每一行的每一个是否相同
		{
			if (board[i][j] == board[i][j + 1])
				r++;
		}
		if (r == 2)
			return board[i][0];
	}
	for (int i = 0; i < col; i++)//扫描每一列是否相同
	{
		int c = 0;
		for (int j = 0; j < row - 1; j++)//扫描每一列的每一个是否相同
		{
			if (board[j][i] == board[j+1][i])
				c++;
		}
		if (c == 2)
			return board[0][i];
	}
	if ((board[0][0] == board[1][1] && board[1][1] == board[2][2]) || board[0][2] == board[1][1] && board[1][1] == board[2][0])
		return board[1][1];
	int count = 0;
	for (int i=0;i<row;i++)
	{
		for (int j=0;j<col;j++)
		{
			if(board[i][j]!=' ')
			count++;
		}
	}
	if (count == row * col)
		return 'Q';
}

game1_test.c

#include"game1.h"
#include<windows.h>
void menu()
{
	printf("***********************\n");
	printf("****  1.开始游戏  *****\n");
	printf("****  0.退出游戏  *****\n");
	printf("***********************\n");
}
void game()
{
	char board[ROW][COL] = { 0 };
	InitBoard(board,ROW,COL);
	DisplayBoard(board, ROW, COL);

	while (1)
	{
		Player(board, ROW, COL);
		system("cls");
		DisplayBoard(board, ROW, COL);
		char ret = Judge(board, ROW, COL);
		if (ret == '*')
		{
			printf("玩家胜利！\n");
			system("pause");
			system("cls");
			break;
		}
		else if(ret=='Q')
		{
			printf("游戏平局！\n");
			system("pause");
			system("cls");
			break;
		}

		Computer(board, ROW, COL);
		system("cls");
		DisplayBoard(board, ROW, COL);
		ret = Judge(board, ROW, COL);
		if (ret == '#')
		{
			printf("电脑胜利！\n");
			system("pause");
			system("cls");
			break;
		}
	}
}
void test()
{
	int input = 0;
	srand((unsigned int)time(NULL));
	do
	{
		menu();
		scanf("%d", &input);
		system("cls");
		switch (input)
		{
		case 1:
			game();
			break;
		case 0:
			printf("已退出游戏");
			Sleep(1000);
			break;
		default:
			printf("请输入正确的序号！");
				break;
		}
	} while (input);
}
int main()
{
	test();
	return 0;
}