UVA11987 Almost Union-Find

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=229&page=show_problem&problem=3138 [PDF](https://uva.onlinejudge.org/external/119/p11987.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11987/26c36f66c6f7a4f753621f5225d4d163683ff773.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11987/a62dd792a69a4914dd19a578a5f43c1857d54517.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11987/71c634954dff55daeaad092e9a80a67b382b6644.png)