UVA12036 Stable Grid

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=242&page=show_problem&problem=3187 [PDF](https://uva.onlinejudge.org/external/120/p12036.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12036/fdbd0c142a85123caeadb8622b33e7fe4a54e9e2.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12036/be20142169438318daa6efe778733fac95d27ca9.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12036/4c6660576421944384a0562adcfd03774cd94d4c.png)