UVA10735 混合图的欧拉回路 Euler Circuit

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=19&page=show_problem&problem=1676 [PDF](https://uva.onlinejudge.org/external/107/p10735.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10735/baac11a265d4643e23cb695e1fd24ede65b1d9e9.png)

Input Format

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Output Format

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