实战：井字棋 - 洛谷保存站

注:代码内的所有图片地址为我自己电脑上的地址，素材均为手绘，若有需要加我微信拿
```cpp
#include<stdio.h>
#include<easyx.h>
#include<conio.h>
int pan[3][3];

void end(int jx, int jy) {//一局终了，显示胜者
	if (pan[jx][jy] == 1) {
		settextcolor(0xff0000);
		outtextxy(25, 150, "Blue Win!");
	}
	if (pan[jx][jy] == 2) {
		settextcolor(0x0000ff);
		outtextxy(30, 150, "Red Win!");
	}
	_getch();//新的游戏，再次开局
	for (int i = 0; i < 3; i++)for (int j = 0; j < 3; j++)pan[i][j] = 0;
}

void judge(int jx, int jy) {//一子落定，可否结局
	int jgx = pan[jx][jy], jgy = pan[jx][jy];
	for (int i = 0; i < 3; i++) {
		if (pan[i][jy] != jgx) jgx = 0;
		if (pan[jx][i] != jgy) jgy = 0;
	}
	if (jgx == pan[jx][jy] || jgy == pan[jx][jy]) end(jx, jy);
	if (jx == jy && pan[0][0] == pan[1][1] && pan[1][1] == pan[2][2]) end(jx, jy);
	if (jx + jy == 2 && pan[0][2] == pan[1][1] && pan[1][1] == pan[2][0]) end(jx, jy);
	return;
}

int main() {
	initgraph(400, 400);//棋盘显形，初始设定
	setbkcolor(0x33ddff);
	settextstyle(100, 0, "Microsoft JhengHei UI");
	cleardevice();
	IMAGE x, o, k;//棋子导入，光标指引
	loadimage(&x, "./X.jpg", 80, 80);
	loadimage(&o, "./O.jpg", 80, 80);
	loadimage(&k, "./K.jpg", 100, 100);
	setlinecolor(0x000000);
	int kx=1, ky=1;
	bool flag = true;
	while (true) {
		cleardevice();//棋局更新，盘面重定
		putimage(50 + kx * 100, 50 + ky * 100, &k);
		for (int i = 0; i <= 3; i++) {
			line(50, 50 + i * 100, 350, 50 + i * 100);
			line(50 + i * 100, 50, 50 + i * 100, 350);
		}
		for (int i = 0; i < 3; i++) {
			for (int j = 0; j < 3; j++) {
				if (pan[i][j] == 1) putimage(i * 100 + 60, j * 100 + 60, &x);
				if (pan[i][j] == 2) putimage(i * 100 + 60, j * 100 + 60, &o);
			}
		}
		int a = _getch();//落子生根，换手执子
		if ((a == 'a' || a == 'A') && kx != 0) kx--;
		if ((a == 'd' || a == 'D') && kx != 2) kx++;
		if ((a == 'w' || a == 'W') && ky != 0) ky--;
		if ((a == 's' || a == 'S') && ky != 2) ky++;
		if (a == ' ' && pan[kx][ky] == 0) {
			pan[kx][ky] = ((int)flag) + 1;
			putimage(kx * 100 + 60, ky * 100 + 60, pan[kx][ky] == 1 ? &x : &o);
			flag ^= 1;
			judge(kx, ky);
		}
	}
	return 0;
}
```

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