2019-C22

从 Trac 迁移的文章

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原文章内容如下：

= Platform =
Internal DOMjudge

= Ranklist =
[[Image(rc22.png)]]

= Upsolving =

[http://acm.hdu.edu.cn/search.php?field=problem&key=2019+Multi-University+Training+Contest+7&source=1&searchmode=source HDU]

= Solution =

See attachment for official solution.

Platform

Internal DOMjudge

Ranklist

Upsolving

HDU

Solution

See attachment for official solution.

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