UVA12141 Line Chart

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=243&page=show_problem&problem=3293 [PDF](https://uva.onlinejudge.org/external/121/p12141.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12141/48465e0a84a67c35e078eccd3d84de5cd5215c6b.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12141/41e5c956e98c1df65457efe0a070c3c4568693df.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12141/3ef979ec4ec3af524eb66fea822063e5bed2c178.png)