UVA10995 Educational Journey

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=21&page=show_problem&problem=1936 [PDF](https://uva.onlinejudge.org/external/109/p10995.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10995/41e2f85a4a2feb2852fa0194e8f1d2a26293e3d6.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10995/ae2e185e01a0c4a5894b950cd6064ebb18fac607.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10995/d94c645c536e95d8473f53a058ff4ae0b45e4231.png)