c语言编程三子棋（井字棋）

头文件（test.h）：

#ifndef THREE_CHESS_H//防止头文件被重复，包含[也可以用#pragma once]
#define THREE_CHESS_H

#include
#include
#include
#pragma warning(disable:4996)//VS中解决scanf函数不能使用问题

#define ROW 3
#define COL 3//宏定义

void ShowUI();
void Game();
void ComputerMove(char board[][COL], int row, int col);
void ShowBoard(char board[][COL], int row, int col);
char Judge(char board[][COL], int row, int col);
void PlayerMove(char board[][COL], int row, int col);//函数声明

#endif

源文件：(test.c)

#include “three_chess.h”

void ShowUI()//菜单
{
printf("##################################\n");
printf("## 1. Play 2. Exit ##\n");
printf("##################################\n");
printf("Please Select:> ");
}

void ComputerMove(char board[][COL], int row, int col)//电脑下棋函数
{
while (1){
int x = rand() % row;
int y = rand() % col;//调用随机函数，确保横竖坐标小于3
if (board[x][y] == ’ '){
board[x][y] = ‘O’;
break;
}
}
}

void PlayerMove(char board[][COL], int row, int col)//客户下棋函数
{
int x, y;
while (1){
printf(“Please Enter Your Pos(x,y):> “);
scanf(”%d %d”, &x, &y);//输入坐标值
if (x >= 1 && x <= row && y >= 1 && y <= col){
if (board[x-1][y-1] == ’ '){//确保在坐标为空中下棋
board[x - 1][y - 1] = ‘X’;
break;
}
else{
printf(“Enter Pos Is Not OK, Try Again!\n”);
}
}
else{
printf(“Enter Error, Try Again!\n”);
}
}
}

char Judge(char board[][COL], int row, int col)//判断函数
{
int i = 0;
int j = 0;
//判断输赢
for (; i < row; i++){
if (board[i][0] == board[i][1] && board[i][1] == board[i][2] &&
board[i][0] != ’ '){//判断行
return board[i][0];返回‘X’‘O’判断谁赢
}
}
for (i = 0; i < col; i++){
if (board[0][i] == board[1][i] && board[1][i] == board[2][i] &&
board[0][i] != ’ '){//判断列
return board[0][i];
}
}
if (board[0][0] == board[1][1] && board[1][1] == board[2][2] &&
board[1][1] != ’ '){//判断主对角线
return board[1][1];
}
if (board[0][2] == board[1][1] && board[1][1] == board[2][0] &&
board[1][1] != ’ '){//判断反对角线
return board[1][1];
}
//判断是否继续游戏
for (i = 0; i < row; i++){
for (j = 0; j < col; j++){
if (board[i][j] == ’ '){
return ‘N’;
}
}
}
return ‘E’;
}

void ShowBoard(char board[][COL], int row, int col)//显示函数
{
printf(" 1 2 3\n");
printf("-----------------\n");
int i = 0;
int j = 0;
for (; i < row; i++){
printf("%d |", i + 1);
for (j = 0; j < col; j++){
printf(" %c |", board[i][j]);
}
printf("\n-----------------\n");
}
printf("\n");
}

void Game()//游戏环节
{
char board[ROW][COL];
memset(board, ’ ', sizeof(board));
char result = ‘N’;
srand((unsigned long)time(NULL));
while (1){
system(“cls”);//清屏
ComputerMove(board, ROW, COL);
ShowBoard(board, ROW, COL);
result = Judge(board, ROW, COL);
if (result != ‘N’){//‘X’ ‘O’ ‘E’ ‘N’
break;
}
PlayerMove(board, ROW, COL);
ShowBoard(board, ROW, COL);
result = Judge(board, ROW, COL);
if (result != ‘N’){//‘X’ ‘O’ ‘E’ ‘N’
break;
}
}
switch (result){
case ‘X’:
printf(“You Win! \n”);
break;
case ‘O’:
printf(“You Lose, Computer Win! \n”);
break;
case ‘E’:
printf(“平局，恭喜！\n”);
break;
default:
break;
}
}

执行文件：（main.c）

#include “three_chess.h”

int main()
{
int select = 0;
int quit = 0;
while (!quit){
ShowUI();
scanf("%d", &select);
switch (select){
case 1:
Game();
break;
case 2:
quit = 1;
printf(“Bye,Bye!\n”);
break;
default:
printf(“Please Enter Again!\n”);
break;
}
}
return 0;
}