UVA10213 多少块土地 How Many Pieces of Land ?

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=14&page=show_problem&problem=1154 [PDF](https://uva.onlinejudge.org/external/102/p10213.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10213/82410c5d60b6479b7a08f094e449cc42577c84fa.png)

Input Format

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Output Format

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