UVA10301 Rings and Glue

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=15&page=show_problem&problem=1242 [PDF](https://uva.onlinejudge.org/external/103/p10301.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10301/693a89afe4f97c39f7d7bb08cb1628dbaf50f541.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10301/87b9d580a1d2936ffbfd4223f87087007709cabc.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10301/5e1405003108170e029c221777031388853a9a2e.png)