c语言实现三子棋小游戏

思路和实现步骤:

  • 打印游戏选择界面
    玩家输入1开始游戏,输入0结束游戏
  • 初始化棋盘和打印棋盘
    在屏幕上打印一个3*3的棋盘,棋盘的每一小格初始化为空格;为了让这个游戏更有趣一点,棋盘部分可以扩展成为5*5,还可以扩展成任意大小的棋盘。
  • 玩家选择谁先走
  • 实现玩家走和电脑走
    玩家通过输入坐标把棋下在棋盘里,电脑是由系统生成随机数组成坐标下棋。
  • 判断输赢
    判断棋盘满了,是平局;如果没有,判断输赢。
  • 输出结果并打印结束时的棋盘

1.打印游戏菜单
void menu()
{
    printf("***********************\n");
    printf("****1.paly   0.exit****\n");
    printf("***********************\n");
}
2.初始化棋盘和打印棋盘
void InitBoard(char board[ROW][COL], int row, int col)
{
    int i = 0;
    int j = 0;
    memset(board,' ', row*col*sizeof(board[0][0]));
}
void DisplayBoard(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++)
        {
            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");
    }

}
3.玩家选择谁先走
    int input = 0;
    printf("1.电脑先走 2.玩家先走\n");
    printf("请选择谁先走:>");
    scanf("%d", &input);
    InitBoard(board, ROW, COL);
    DisplayBoard(board, ROW, COL);
    switch (input)
    { 
        case 1:
                while (1)
                {
                    ComeputerMove(board, ROW, COL);
                    //Sleep(1000);
                    ret = IsWin(board, ROW, COL);
                    if (ret != ' ')
                    {
                        break;
                    }
                    DisplayBoard(board, ROW, COL);
                    PlayerMove(board, ROW, COL);
                    ret = IsWin(board, ROW, COL);
                    if (ret != ' ')
                    {
                        break;
                    }
                    DisplayBoard(board, ROW, COL);
                }

             break;
        case 2:

                while (1)
                {
                    PlayerMove(board, ROW, COL);
                    //Sleep(1000);
                    ret = IsWin(board, ROW, COL);
                    if (ret != ' ')
                    {
                        break;
                    }
                    DisplayBoard(board, ROW, COL);
                    ComeputerMove(board, ROW, COL);
                    ret = IsWin(board, ROW, COL);
                    if (ret != ' ')
                    {
                        break;
                    }
                    DisplayBoard(board, ROW, COL);
                }

            break;
        default:
            break;
    }

判断谁先走并不是难点,所以我用了switch语句,放在game函数里一起实现,没有单独分装一个函数。

这里写图片描述

4.玩家走
void PlayerMove(char board[ROW][COL], int row, int col)
{
    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 > 0 && x<=row && y>0 && y <= col)
        {
            if (board[x-1][y-1] == ' ')
            {
                board[x-1][y-1] = 'x';
                break;
            }
            else
            {
                printf("该坐标已经被占用\n");
            }
        }
        else
        {
            printf("坐标非法\n");
        }
    } 
}

电脑走

void ComeputerMove(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] = '0';
                break;
            }
    }
}
5.判断输赢
int IsFull(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)
{
    int i = 0;
    int j = 0;
    for (i = 0; i < row; i++)
    {
        for (j = 1; j < col - 1; j++)
        {
            if ((board[i][j - 1] == board[i][j]) && (board[i][j] == board[i][j + 1]) && board[i][j] != ' ')
            {
                return board[i][j];
            }
        }
    }
    for (j = 0; j < col; j++)
    {
        for (i = 1; i < row-1; i++)
        {
            if ((board[i-1][j] == board[i + 1][j]) && (board[i][j] == board[i + 1][j]) &&board[i][j] != ' ')
           {
            return board[i][j];
           }
        }

    }
    for (i = 1; i < row-1; i++)
    {
        for (j = 1; j < col-1; j++)
        {
            if ((board[i - 1][i - 1] == board[i][i]) && (board[i][i] == board[i + 1][i + 1]) && board[i][j] != ' ')
            {
                return board[i][j];

            }
        }
    }
    for (i = row-1; i >0;i--)
    {
        for (j = 1; j < col - 1; j++)
        {
            if ((board[i + 1][j - 1] == board[i][j]) && (board[i][j] == board[i - 1][j + 1]) && board[i][j] != ' ')
            {
                return board[i][j];
            }
        }
    }
    //判断平局
    if (IsFull(board, row, col))          
    {
        return 'p';
    }
    //游戏继续
    return ' ';
}

这里写图片描述
这个判断输赢的函数是三子棋的规则,不管棋盘是多大的,都是三子棋的玩法。
下面写一个棋盘是几乘几,就是几子棋。

char IsWin(char board[ROW][COL], int row, int col)
{
    int i = 0;
    int j = 0;
    int tmp = 0;
    //判断输赢
    for (i = 0; i < row; i++)
    {
        tmp = 0;
        for (j = 0; j < col - 1; j++)
        {
            if ((board[i][j] == board[i][j + 1]) && board[i][j] != ' ')
            {
                ;
            }
            else
            {
                tmp = 1;
                break;
            }
        }
        if (tmp == 0)
        {
            return board[i][j];
        }
    }
    for (j = 0; j < col; j++)

    {
        tmp = 0;
        for (i = 0; i < row - 1; i++)
        {
            if ((board[i][j] == board[i + 1][j]) && board[i][j] != ' ')
            {
                ;
            }
            else
            {
                tmp = 1;
                break;
            }
        }
        if (tmp == 0)
        {
            return board[i][j];
        }
    }


            for (i = 0, j = 0; i < row - 1, j < col - 1; i++, j++)
            {
                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 = row, j = 0; i > 0, j < col - 1; i--, j++)
              {
                   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];
                }//判断平局
        if (IsFull(board, row, col))
        {
            return 'p';
        }
        //游戏继续
        return ' ';
    }

这里写图片描述

6.输出结果并打印结束时的棋盘
ret = IsWin(board, ROW, COL);
if (ret == ' ')
    {
        printf("平局\n");
        DisplayBoard(board, ROW, COL);
    }
    else if (ret == 'x')
    {
        printf("玩家赢!!!\n");
        DisplayBoard(board, ROW, COL);
    }
    else if (ret == '0')
    {
        printf("电脑赢!!!\n");
        DisplayBoard(board, ROW, COL);
    }

附完整代码

1.game.h

#ifndef _GAME_H__
#define _GAME_H__

#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <time.h>

#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 ComeputerMove(char board[ROW][COL], int row, int col);
void PlayerMove(char board[ROW][COL], int row, int col);
char IsWin(char board[ROW][COL], int row, int col);
#endif //_GAME_H__

2.game.c

#define _CRT_SECURE_NO_WARNINGS 1

#include "game.h"

void InitBoard(char board[ROW][COL], int row, int col)
{
    int i = 0;
    int j = 0;
    memset(board,' ', row*col*sizeof(board[0][0]));
}
void DisplayBoard(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++)
        {
            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");
    }

}
void ComeputerMove(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] = '0';
                break;
            }
    }
}
int IsFull(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;
}
void PlayerMove(char board[ROW][COL], int row, int col)
{
    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 > 0 && x<=row && y>0 && y <= col)
        {
            if (board[x-1][y-1] == ' ')
            {
                board[x-1][y-1] = 'x';
                break;
            }
            else
            {
                printf("该坐标已经被占用\n");
            }
        }
        else
        {
            printf("坐标非法\n");
        }
    } 
}

char IsWin(char board[ROW][COL], int row, int col)
{
    int i = 0;
    int j = 0;

    //几子棋
    //int tmp = 0;
    //判断输赢
    /*for (i = 0; i < row; i++)
    {
        tmp = 0;
        for (j = 0; j < col - 1; j++)
        {
            if ((board[i][j] == board[i][j + 1]) && board[i][j] != ' ')
            {
                ;
            }
            else
            {
                tmp = 1;
                break;
            }
        }
        if (tmp == 0)
        {
            return board[i][j];
        }
    }
    for (j = 0; j < col; j++)

    {
        tmp = 0;
        for (i = 0; i < row - 1; i++)
        {
            if ((board[i][j] == board[i + 1][j]) && board[i][j] != ' ')
            {
                ;
            }
            else
            {
                tmp = 1;
                break;
            }
        }
        if (tmp == 0)
        {
            return board[i][j];
        }
    }


            for (i = 0, j = 0; i < row - 1, j < col - 1; i++, j++)
            {
                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 = row, j = 0; i > 0, j < col - 1; i--, j++)
              {
                   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];
                }


*/
        //三子棋
        for (i = 0; i < row; i++)
        {
            for (j = 1; j < col - 1; j++)
            {
                if ((board[i][j - 1] == board[i][j]) && (board[i][j] == board[i][j + 1]) && board[i][j] != ' ')
                {
                    return board[i][j];
                }
            }
        }
        for (j = 0; j < col; j++)
        {
            for (i = 1; i < row - 1; i++)
            {
                if ((board[i - 1][j] == board[i + 1][j]) && (board[i][j] == board[i + 1][j]) && board[i][j] != ' ')
                {
                    return board[i][j];
                }
            }

        }
        for (i = 1; i < row - 1; i++)
        {
            for (j = 1; j < col - 1; j++)
            {
                if ((board[i - 1][i - 1] == board[i][i]) && (board[i][i] == board[i + 1][i + 1]) && board[i][j] != ' ')
                {
                    return board[i][j];

                }
            }
        }
        for (i = row - 1; i >0; i--)
        {
            for (j = 1; j < col - 1; j++)
            {
                if ((board[i + 1][j - 1] == board[i][j]) && (board[i][j] == board[i - 1][j + 1]) && board[i][j] != ' ')
                {
                    return board[i][j];
                }
            }
        }
        //判断平局
        if (IsFull(board, row, col))
        {
            return 'p';
        }
        //游戏继续
        return ' ';
    }

3.test.c 

#define _CRT_SECURE_NO_WARNINGS 1

#include "game.h"
void game()
{
    char board[ROW][COL] = {0};
    char ret = '0';
    int input = 0;
    printf("1.电脑先走 2.玩家先走\n");
    printf("请选择谁先走:>");
    scanf("%d", &input);
    InitBoard(board, ROW, COL);
    DisplayBoard(board, ROW, COL);
    switch (input)
    { 
        case 1:
                while (1)
                {
                    ComeputerMove(board, ROW, COL);
                    //Sleep(1000);
                    ret = IsWin(board, ROW, COL);
                    if (ret != ' ')
                    {
                        break;
                    }
                    DisplayBoard(board, ROW, COL);
                    PlayerMove(board, ROW, COL);
                    ret = IsWin(board, ROW, COL);
                    if (ret != ' ')
                    {
                        break;
                    }
                    DisplayBoard(board, ROW, COL);
                }

             break;
        case 2:

                while (1)
                {
                    PlayerMove(board, ROW, COL);
                    //Sleep(1000);
                    ret = IsWin(board, ROW, COL);
                    if (ret != ' ')
                    {
                        break;
                    }
                    DisplayBoard(board, ROW, COL);
                    ComeputerMove(board, ROW, COL);
                    ret = IsWin(board, ROW, COL);
                    if (ret != ' ')
                    {
                        break;
                    }
                    DisplayBoard(board, ROW, COL);
                }

            break;
        default:
            break;
    }
    if (ret == ' ')
    {
        printf("平局\n");
        DisplayBoard(board, ROW, COL);
    }
    else if (ret == 'x')
    {
        printf("玩家赢!!!\n");
        DisplayBoard(board, ROW, COL);
    }
    else if (ret == '0')
    {
        printf("电脑赢!!!\n");
        DisplayBoard(board, ROW, COL);
    }
}
void menu()
{
    printf("***********************\n");
    printf("****1.paly   0.exit****\n");
    printf("***********************\n");
}
void test()
{
    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("输入错误\n");
             break;
        } 

    } while(input);
}
int main()
{

    test();
    system("pause");
    return 0;
}
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