代码进入main函数，执行test函数，然后执行menu函数打印菜单，再按玩家输入的数据进入switch判断是执行game函数还是退出游戏。
进入game函数，如何初始化棋盘，如何输出棋盘格式，如何让玩家走棋子，如何让电脑走棋子，如何判断输赢，如何判断平局，都在一开始的函数声明里有粗略讲解，自行研读易懂。
#include<stdio.h>
#include<time.h>
#include<stdlib.h>
#define ROW 3
#define COL 3
//函数声明
void Initboard(char board[ROW][COL],int row,int col);//初始化棋盘
void Displayboard(char board[ROW][COL], int row, int col);//如何输出棋盘格式
void PlayerMove(char board[ROW][COL], int row, int col);//玩家走
void ComputerMove(char board[ROW][COL], int row, int col);//电脑走
char Iswin(char board[ROW][COL], int row, int col);//判断输赢
int IsFull(char board[ROW][COL], int row, int col);//是否平局
void menu()
{
printf("**************************************\n");
printf("****** 输入1开始游戏 *******\n");
printf("****** 输入0退出游戏 *******\n");
printf("****** '*'为玩家 '#'为电脑 *******\n");
printf("**************************************\n\n");
}
void game()
{
char board[ROW][COL] = { 0 };//初始化棋盘
char ret = 0;
Initboard(board,ROW,COL);//设置棋盘的格式
//打印棋盘
printf("\n");
Displayboard(board, ROW, COL);
while (1)
{
//玩家走
PlayerMove(board,ROW,COL);
Displayboard(board, ROW, COL);//玩家每走一步都打印一遍棋盘
ret=Iswin(board, ROW, COL);//判断是否结束循环
if (ret != 'C')
{
break;
}
//电脑走
ComputerMove(board,ROW,COL);
Displayboard(board, ROW, COL);//电脑走也打印棋盘
ret=Iswin(board, ROW, COL);//判断是否继续循环
if (ret != 'C')
{
break;
}
}
if (ret == '*')
{
printf(" 恭喜你，你赢了\n\n\n");
}
else if (ret == '#')
{
printf(" 你太菜了\n\n\n");
}
else if (ret == 'Q')
{
printf(" 平局\n\n\n");
}
}
void test()
{
int input = 0;
srand((unsigned int) time(NULL));//time函数返回的是time_t形式，所以要unsigned int 强制转换
do
{
menu();//打印菜单
printf("请选择:>");
scanf("%d", &input);
switch (input)
{
case 1:
game();
break;
case 0:
printf(" 小可爱你真的要退出游戏吗？\n\n");
break;
default:
printf(" 选择错误，好好看提示！！！\n\n");
break;
}
} while (input);
}
int main()
{
test();//主函数执行
return 0;
}
void Initboard(char board[ROW][COL], int row, int col)//初始化棋盘内容
{
int i = 0;
int j = 0;
for (i = 0; i < row;i++)
for (j = 0; j < col; j++)
{
board[i][j] = ' ';
}
}
void Displayboard(char board[ROW][COL], int row, int col)
{
int i = 0;
int j = 0;
for (i = 0; i < row; i++)//输出棋盘布局
{
int j = 0;
for (j = 0; j < col; j++)
{
printf(" %c ",board[i][j]);
if (j<col-1)//最后一行不需要输出‘|’
printf("|");
}
printf("\n");
if (i < row - 1)
{
for (j = 0; j < col; j++)
{
printf("---");
if (j<col-1)//最后一列不输出‘|’
printf("|");
}
printf("\n");
}
}
printf("\n");
}
void PlayerMove(char board[ROW][COL], int row, int col)
{
int x = 0;
int y = 0;
printf("玩家走:>");
while (1)
{
printf("请输入要走的坐标（方法：X空格X回车):>");
scanf("%d%d", &x, &y);
if (x >= 1 && x <= row && y >= 1 && y <= col)//x与y要在合理范围内
{
if (board[x - 1][y-1] == ' ')
{
board[x - 1][y - 1] = '*';
break;
}
else
{
printf("坐标被占用，重新输入！\n\n");
}
}
else
{
printf("坐标非法，重新输入\n\n");
}
}
}
void ComputerMove(char board[ROW][COL], int row, int col)
{
printf("电脑走\n");
int x = 0;
int y = 0;
while (1)
{
x = rand() % row;//坐标要在合理范围内
y = rand() % col;
if (board[x][y] == ' ')
{
board[x][y] = '#';
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] == ' ')
{
//没满
return 0;
}
}
}
//满了
return 1;
}
//判断输赢
//玩家赢-'*'
//电脑赢-'#'
//平局-'Q'
//继续-'C'
char Iswin(char board[ROW][COL], int row, int col)
{
int i = 0;
//行判断
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];//若为#则正好玩家赢，*为电脑赢
}
}
//列判断
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];
}
}
if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[0][0] != ' ')
{
return board[0][0];
}
if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[0][2] != ' ')
{
return board[0][2];
}
//判断平局
if (IsFull(board,row,col) == 1)
{
return 'Q';
}
else
return 'C';
}
运行结果：
