C语言数组第十课---------------三子棋-------数组经典练手题

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三子棋

分析

代码

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知识小插曲

1.sizeof 是操作符，计算占用内存的大小，单位是字节，计算的是，计算的对象是什么类型都行，

2.strlen是库函数，统计字符串的个数，计算的是\0之前出现的字符个数

小小解说

在上一篇博文中我简单的介绍了数组的创建和使用,也大概的介绍了数组名的作用,下面我们就来写一写这个数组的经典练习,

三子棋

分析

首先,我们玩游戏的时候都会有一个游戏界面,界面里面有菜单,那么我们玩三子棋也必须有菜单,

void meun()
{printf("********   三子棋  *******\n");printf("**************************\n");printf("********   0.exit  *******\n");printf("********   1.play  *******\n");printf("**************************\n");}

这里就是菜单函数.

然后初始化一个数组，默认设计成空格

void my_initialization(char arr1[][COL], int row, int col)
{int i = 0;for (i = 0; i < row; i++){int j = 0;for (j = 0; j < col; j++){arr1[i][j] = ' ';}}
}

下面我们就要打印一下九空格

我们可以分为几步,进行打印

void my_Carving_a_chessboard(char arr1[][COL], int row, int col)
{int i = 0;printf("-------------\n");for (i = 0; i < row; i++){int j = 0;for (j = 0; j < col; j++){printf("| ");printf("%c ", arr1[i][j]);}printf("|\n");printf("-------------\n");}
}

当我们设计好这些后，就是玩家该下棋了，下棋要注意坐标，数组的范围，以及玩家的所想，下面我来代码演示

玩家和电脑下棋：

在这个过程中我们要知道玩家下过的地方电脑和玩家不能再下，电脑下给地方也一样，如果小可爱熟悉下棋，机会发现下棋者赢最快至少总共要下5个棋子，但为了让小可啊明白我这里就不做出这个判断了，

代码如下：

//电脑下棋
void comp_paly_chess(char arr1[][COL], int row, int col)
{while (1){int x = rand() % 3;int y = rand() % 3;if (arr1[x][y] == ' '){arr1[x][y] = '*';break;}}}void paly_chess(char arr1[][COL], int row, int col)
{//玩家下棋int x ;int y ;int num = 0;while (1){printf("玩家请输入坐标:>");scanf("%d %d", &x, &y);if (arr1[x - 1][y - 1] = ' ' && (x >= 1 && x <= 3) && (y >= 1 && y <= 3)){arr1[x - 1][y - 1] = '#';//判断谁赢了num = is_win(arr1, ROW, COL);if (num){break;}int flat = 0;// 判断是否是平局for (x = 0; x < row; x++){for (y = 0; y < col; y++){if (arr1[x][y] == ' '){flat++;}}}if (!flat){printf("平局\n");break;}//电脑下棋comp_paly_chess(arr1, ROW, COL);my_Carving_a_chessboard(arr1, ROW, COL);//判断谁赢了is_win(arr1, ROW, COL);if (num){break;}}else{printf("输入不符合要求,请重新输入\n");}}}

每下一步我都会判断一次，这样的效率很低，这里为了让大家理解就不做判断了

判断谁赢

代码：

int  is_win(char arr1[][COL], int row, int col)
{//行胜int i = 0;for (i = 0; i < row; i++){int count = 0;int count1 = 0;int j = 0;for (j = 0; j < col; j++){if (arr1[i][j] == '#')count++;else if (arr1[i][j] == '*')count1++;}if (count == 3){printf("玩家胜利\n");return 1;}else if (count1 == 3){printf("电脑胜利\n");return 2;}}//列胜for (i = 0; i < row; i++){int count = 0;int count1 = 0;int j = 0;for (j = 0; j < col; j++){if (arr1[j][i] == '#')count++;else if (arr1[j][i] == '*')count1++;}if (count == 3){printf("玩家胜利\n");return 1;}else if (count1 == 3){printf("电脑胜利\n");return 2;}}//对角for (i = 0; i < row; i++){int count = 0;int count1 = 0;int j = 0;if (arr1[i][i] == '#')count++;else if (arr1[i][i] == '*')count1++;if (count == 3){printf("玩家胜利\n");return 1;}else if (count1 == 3){printf("电脑胜利\n");return 2;}}//斜角for (i = 0; i < row; i++){int count = 0;int count1 = 0;int j = 0;for (j = col - 1; j >= 0; j--){if (arr1[i][j] == '#')count++;else if (arr1[i][j] == '*')count1++;}if (count == 3){printf("玩家胜利\n");return 1;}else if (count1 == 3){printf("电脑胜利\n");return 2;}}return 0;
}

这里我是根据上图是行和列对角一一判断的，有很多重复的代码，但这样可以让小可爱们能理解，

下面我分享一下全部代码

头文件.h:

#pragma once
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#define ROW 3
#define COL 3//游戏
void game();
//数组初始化
void my_initialization(char arr1[][COL], int row, int col);
//雕刻棋盘
void my_Carving_a_chessboard(char arr1[][COL], int row, int col);
//玩家和电脑下棋
void paly_chess(char arr1[][COL], int row, int col);
//电脑下棋
void comp_paly_chess(char arr1[][COL], int row, int col);

三子棋函数.c

#include "三子棋.h"
void game()
{char arr1[ROW][COL];//数组初始化my_initialization(arr1, ROW, COL);// 雕刻棋盘my_Carving_a_chessboard(arr1, ROW, COL);//打印棋盘//my_print_chess(arr1, ROW, COL);//电脑下棋//comp_paly_chess(arr1, ROW, COL);//玩家下棋和电脑下棋paly_chess(arr1, ROW, COL);}void my_initialization(char arr1[][COL], int row, int col)
{int i = 0;for (i = 0; i < row; i++){int j = 0;for (j = 0; j < col; j++){arr1[i][j] = ' ';}}
}void my_Carving_a_chessboard(char arr1[][COL], int row, int col)
{int i = 0;printf("-------------\n");for (i = 0; i < row; i++){int j = 0;for (j = 0; j < col; j++){printf("| ");printf("%c ", arr1[i][j]);}printf("|\n");printf("-------------\n");}
}
//电脑下棋
void comp_paly_chess(char arr1[][COL], int row, int col)
{while (1){int x = rand() % 3;int y = rand() % 3;if (arr1[x][y] == ' '){arr1[x][y] = '*';break;}}}void paly_chess(char arr1[][COL], int row, int col)
{//玩家下棋int x ;int y ;int num = 0;while (1){printf("玩家请输入坐标:>");scanf("%d %d", &x, &y);if (arr1[x - 1][y - 1] = ' ' && (x >= 1 && x <= 3) && (y >= 1 && y <= 3)){arr1[x - 1][y - 1] = '#';//判断谁赢了num = is_win(arr1, ROW, COL);if (num){break;}int flat = 0;// 判断是否是平局for (x = 0; x < row; x++){for (y = 0; y < col; y++){if (arr1[x][y] == ' '){flat++;}}}if (!flat){printf("平局\n");break;}//电脑下棋comp_paly_chess(arr1, ROW, COL);my_Carving_a_chessboard(arr1, ROW, COL);//判断谁赢了is_win(arr1, ROW, COL);if (num){break;}}else{printf("输入不符合要求,请重新输入\n");}}}
int  is_win(char arr1[][COL], int row, int col)
{//行胜int i = 0;for (i = 0; i < row; i++){int count = 0;int count1 = 0;int j = 0;for (j = 0; j < col; j++){if (arr1[i][j] == '#')count++;else if (arr1[i][j] == '*')count1++;}if (count == 3){printf("玩家胜利\n");return 1;}else if (count1 == 3){printf("电脑胜利\n");return 2;}}//列胜for (i = 0; i < row; i++){int count = 0;int count1 = 0;int j = 0;for (j = 0; j < col; j++){if (arr1[j][i] == '#')count++;else if (arr1[j][i] == '*')count1++;}if (count == 3){printf("玩家胜利\n");return 1;}else if (count1 == 3){printf("电脑胜利\n");return 2;}}//对角for (i = 0; i < row; i++){int count = 0;int count1 = 0;int j = 0;if (arr1[i][i] == '#')count++;else if (arr1[i][i] == '*')count1++;if (count == 3){printf("玩家胜利\n");return 1;}else if (count1 == 3){printf("电脑胜利\n");return 2;}}//斜角for (i = 0; i < row; i++){int count = 0;int count1 = 0;int j = 0;for (j = col - 1; j >= 0; j--){if (arr1[i][j] == '#')count++;else if (arr1[i][j] == '*')count1++;}if (count == 3){printf("玩家胜利\n");return 1;}else if (count1 == 3){printf("电脑胜利\n");return 2;}}return 0;
}

三子棋模板

#include "三子棋.h"
void menu(void)
{printf("********      三子棋       ******\n");printf("*********************************\n");printf("********      0.exit       ******\n");printf("********      1.paly       ******\n");printf("*********************************\n");}
int main()
{srand((unsigned)time(NULL));int input = 0;do{menu();printf("你已经在游戏界面，请选择:>");scanf("%d", &input);switch (input){case 1:printf("开始游戏\n");game();break;case 0:printf("退出游戏\n");break;default :printf("你的输入不符合规则,请重新输入\n");}} while (input);return 0;
}