UVA11229 Improved tic-tac-toe.

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=24&page=show_problem&problem=2170 [PDF](https://uva.onlinejudge.org/external/112/p11229.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11229/f34ca69eb8bf528d073ded7b0400b086c49ad22e.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11229/9fded73a587085c2a37eda3b7c7cd32e9c648ebf.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11229/c336c4dc1cdcacb3cd1bab0afc4eb03f9a22d05c.png)