UVA11778 Graph Coloring in HSL

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=117&page=show_problem&problem=2878 [PDF](https://uva.onlinejudge.org/external/117/p11778.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11778/d64b69a4147b3aa5423ca391fcfc45837270e95d.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11778/88eabec79e4d8fcfe16e4597e0b51edc22a6b292.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11778/f08ce07916cc51bc29e0e0adde68019b1c13a9d9.png)