UVA13115 Sudoku

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=871&page=show_problem&problem=5026 [PDF](https://uva.onlinejudge.org/external/131/p13115.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13115/ef67aa2630815662a1ca221a5e6cfb36b64870fc.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13115/6eb39113ced990373844b03c7160461d169785ed.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13115/1929036bf59dc6253962b04dff8908f9c4df335e.png)