评成蓝题真的好么

CF1009F Dominant Indices

Cgod @ 2018-09-24 22:34:59

RT

我怎么不记得NOIP考dsu on tree or 长链剖分

by Brioche @ 2018-10-19 13:45:19

\large \rm sto$ $\huge cx$ $\large \rm orz

by Brioche @ 2018-10-19 13:46:04

@ cx233666 tql

by Brioche @ 2018-10-19 13:46:33

@cx233666

by chlchl @ 2022-01-20 09:56:47

@Cgod 现在紫了，Orz

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