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这是C语言小游戏三子棋的代码实现

test.c文件是用来测试的部分

game.h文件是用来声明我们说写出的函数

game.c文件是用来编写我们的功能实现函数部分

1.test.c

#define  _CRT_SECURE_NO_WARNINGS 1
#include"game.h"
void menu()
{printf("*************************\n");printf("*******   1.play  *******\n");printf("*******   2.exit  *******\n");printf("*************************\n");
}void game()
{//存放玩家或者电脑的落子情况char board[ROW][COL];char ret = 0;//初始化棋盘为全空格---->用init_board函数init_board(board, ROW,COL);//打印棋盘---->print_boaardprint_board(board, ROW, COL);while (1){player_move(board, ROW, COL);//玩家下棋实现print_board(board, ROW, COL);//打印//判断输赢ret=is_win(board,ROW,COL);if (ret != 'C'){break;}computer_move(board, ROW, COL);//电脑下棋print_board(board, ROW, COL);//判断输赢ret = is_win(board, ROW, COL);if (ret != 'C'){break;}}if (ret == '#')printf("电脑赢\n");else if (ret == '*')printf("玩家赢\n");else if (ret == 'Q')printf("平局\n");
}//判断输赢
//判断输赢的代码：电脑赢了？  玩家赢了？  平局？  继续进行？
//电脑赢：#
//玩家赢：*
//平局：Q
//游戏继续：C
void test()
{srand((unsigned int)time(NULL));int input = 0;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();return 0;}

2.game.h

#pragma once
#define ROW 3 //行
#define COL 3 //列
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
//头文件声明函数
//初始化棋盘
void init_board(char board[ROW][COL],int row,int col);//打印棋盘
void print_board(char board[ROW][COL], int row, int col);//玩家下棋
void player_move(char board[ROW][COL],int row,int col);//电脑下棋
void computer_move(char board[ROW][COL], int row, int col);//判断输赢的函数
char is_win(char board[ROW][COL], int row, int col);

3.game.c

#define  _CRT_SECURE_NO_WARNINGS 1
#include"game.h"//棋盘初始化函数
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] = ' ';}}
}//打印棋盘函数
void print_board(char board[ROW][COL], int row, int col)
{int i = 0;for (i = 0; i < row; i++){//printf(" %c | %c | %c \n", board[i][0], board[i][1], board[i][2]);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){//printf("---|---|---\n");int j = 0;for (j = 0; j < col; j++){printf("---");if (j < col - 1)printf("|");}printf("\n");}}
}void player_move(char board[ROW][COL], int row, int col)
{printf("玩家下棋\n");while (1){printf("请输入要输入的坐标-->");int x = 0;//行int y = 0;//列scanf("%d %d", &x, &y);//坐标合法，输入坐标if (x >= 1 && x <= row && y >= 1 && y <= col){if (board[x - 1][y - 1] == ' '){board[x - 1][y - 1] = '*';break;}else{printf("该坐标被占用，请重新输入\n");}}else//坐标非法{printf("坐标非法\n");}}
}
//电脑下棋
//随机生成坐标，只要坐标没有被占用，就下棋
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;//是否占用坐标if (board[x][y] == ' '){board[x][y] = '#';break;}}
}//只希望is_full函数只用来支持is_win函数，只是在id_win函数内部使用
// 没必要在头文件中声明
//判断棋盘是否满了的函数
static 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 0;}}return 1;
}char is_win(char board[ROW][COL], int row, int col)
{int i = 0;//判断三行for (i = 0; i < row; i++){if (board[i][0] == board[i][1]&& board[i][1] == board[i][2] && board[i][0] != ' '){return board[i][0];}}//判断三列for (i = 0; i < col; i++){if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[0][i] != ' '){return board[0][i];}}//对角线if (board[0][0] == board[1][1]&& board[1][1]== board[2][2] && board[1][1] != ' '){return board[1][1];}if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[1][1] != ' '){return board[1][1];}//平局？（棋盘满没满）if (is_full(board, row, col) == 1){return'Q';}//继续//没有玩家或者电脑赢，也没有平局，游戏继续return 'C';
}