UVA11349 Symmetric Matrix

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=25&page=show_problem&problem=2324 [PDF](https://uva.onlinejudge.org/external/113/p11349.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11349/34eb72fb30c9237eea8da9f6779eb7e9390dddb1.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11349/37886714fa62db7f6122f844dd115274bbbdeb9f.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11349/99f95307c8cff6df3174a09b9bbea35257b64b27.png)