UVA12988 Sudoku

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=862&page=show_problem&problem=4871 [PDF](https://uva.onlinejudge.org/external/129/p12988.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12988/9b591ed279c9703ea94fc76b726ccbc28127d2b3.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12988/15d6f2bb65f6c603c4f548282eaf19a7d1156028.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12988/d28066037447db1faecff0bc6a1e1bc33fbca705.png)