三字棋的实现

game.h

#ifndef __GAME__H__  
#define __GAME_H__  
#include"time.h"  
#include"stdlib.h"  
#include"string.h"  
#include"stdio.h"  
#define ROWS 3  
#define COLS 3  
void init_board(char arr[ROWS][COLS], int row, int col);
void display(char arr[ROWS][COLS], int row, int col);
void player(char arr[ROWS][COLS], int row, int col);  
void computer(char arr[ROWS][COLS], int row, int col); 
int  ensure(char arr[ROWS][COLS], int row, int col);  
#endif

game.c

#define _CRT_SECURE_NO_WARNINGS 1  
#include"game.h"
void  init_board(char arr[ROWS][COLS], int row, int col)
{
memset(arr, ' ', ROWS*COLS*sizeof(char)); 
}
void display(char arr[ROWS][COLS], int row, int col)
{
int i;
for (i = 0; i < row; i++)
{
printf(" —  —  —\n");
printf(" %c | %c | %c \n", arr[i][0], arr[i][1], arr[i][2]);
}
printf(" —  —  —\n");
}
void player(char arr[ROWS][COLS], int row, int col)
{
int x, y;
printf("输入你要放棋子的坐标");
scanf("%d%d", &x, &y);
while (1)
{
if ((x<4 && x>0) && (y<4 && y>0))
{


if (arr[x - 1][y - 1] == ' ')
{
arr[x - 1][y - 1] = 'X';
break;
}
else
{
printf("位置被占用，请重新输入：");
scanf("%d%d", &x, &y);
}


}
else
{
printf("坐标输入错误，请重新输入：");
scanf("%d%d", &x, &y);
}
}
ensure(arr, ROWS, COLS);
}
void computer(char arr[ROWS][COLS], int row, int col)
{
while (1)
{
int x = rand() % 4;
int y = rand() % 4;
if (arr[x - 1][y - 1] == ' ')
{
arr[x - 1][y - 1] = 'Y';
break;
}
}
ensure(arr, ROWS, COLS);
}
int ensure(char arr[ROWS][COLS], int row, int col)
{
int i, j;
for (i = 0; i < row; i++)  
if ((arr[i][0] == arr[i][1]) && (arr[i][1] == arr[i][2]) && (arr[i][0] != ' '))
return 0;
for (i = 0; i < col; i++)
if ((arr[0][i] == arr[1][i]) && (arr[1][i] == arr[2][i]) && (arr[0][i] != ' '))
return 0;
if ((((arr[0][0] == arr[1][1]) && (arr[1][1] == arr[2][2])) || ((arr[0][2] == arr[1][1]) && (arr[1][1] == arr[2][0]))) && arr[1][1] != ' ')
return 0;


for (i = 0; i < row; i++)
for (j = 0; j < col; j++)
{
if (arr[i][j] == ' ')
return 1;
}


return 'p';
}

test.c

#define _CRT_SECURE_NO_WARNINGS 1  
#include"game.h" 
void menu()
{
printf("*************************\n");
printf("*****1.play  0.exist*****\n");
printf("*************************\n");
}
void Playgame(int w)
{


char arr[ROWS][COLS] = { 0 };
init_board(arr, ROWS, COLS);
display(arr, ROWS, COLS);
srand((unsigned int)time(NULL));
printf("1，电脑先走。2，玩家先走。请选择：");
scanf("%d", &w);
switch (w)
{
case 1:
computer(arr, ROWS, COLS);
display(arr, ROWS, COLS);
case 2:
player(arr, ROWS, COLS);
display(arr, ROWS, COLS);
}
while (1)
{
computer(arr, ROWS, COLS);
display(arr, ROWS, COLS);




if (ensure(arr, ROWS, COLS) == 0)
{
printf("电脑赢\n");
break;
}
else if (ensure(arr, ROWS, COLS) == 'p')
{
printf("平局\n");
break;


}
player(arr, ROWS, COLS);
display(arr, ROWS, COLS);
if (ensure(arr, ROWS, COLS) == 0)
{
printf("玩家赢\n");
break;
}
else if (ensure(arr, ROWS, COLS) == 'p')
{
printf("平局\n");
break;


}


}


}
void test()
{
int input;
do
{
menu();
printf("请选择\n");
scanf("%d", &input);
switch (input)
{
case 0:
printf("游戏结束\n");
break;
case 1:
Playgame(1);
break;
case 2:
Playgame(2);
break;
default:
printf("选择错误\n");
break;
}
} while (input);


}


int main()
{
test();
system("pause");
return 0;
}