UVA13143 Dijkstractions

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=871&page=show_problem&problem=5054 [PDF](https://uva.onlinejudge.org/external/131/p13143.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13143/12fa8988d01a5cc2c0b99ab8247c49f50df79374.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13143/fd40cf7ab3f331b0fcc222f5e3e0af184428d8b3.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13143/c50ea12475fcd5fa15b4508ab6ad410b8cae0a73.png)