https://archive.ntzyz.io/2015/10/28/hdu-5504-gt-and-sequence/ Wed, 30 Mar 2016 08:23:42 +0000 hourly 1 https://wordpress.org/?v=5.8 https://archive.ntzyz.io/2015/10/28/hdu-5504-gt-and-sequence/#comment-105 Wed, 28 Oct 2015 16:22:10 +0000 https://blog.dimension.moe/?p=241#comment-105 那一场bestcoder我没打，不过据说第一题在终测的时候坑掉很多人。。。

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