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Month: December 2018

ICPC EC-Final 游记

Day -1

先占个坑,希望能发挥好一点。

Day 1

这场打自闭了,可能将不会有游记。

Author nocrizPosted on December 14, 2018Categories 日常Leave a comment on ICPC EC-Final 游记

[SDOI2013]随机数生成器

    \[X_{i+1} \equiv a*X_{i}+b\ (mod\  p)\]

    \[给出a,b,X_1,求满足X_{i} = t的最小i\]

这道题也是一道BSGS。

Continue reading “[SDOI2013]随机数生成器”
Author nocrizPosted on December 8, 2018Categories 日常, 题目和算法Tags BSGSLeave a comment on [SDOI2013]随机数生成器

[Ahoi2013]差异

一个长度为n的字符串,Ti代表其以i开始的后缀,求

    \[\sum_{1 \leq i < j \leq n}len(T_i)+len(T_j)-2*lcp(T_i,T_j)\]

其中len为长度,lcp为最长公共前缀。

Continue reading “[Ahoi2013]差异”

Author nocrizPosted on December 5, 2018Categories 未分类Leave a comment on [Ahoi2013]差异

ICPC焦作赛区游记

ddd牛逼,ddd tql,ddd WF

CongDingDanPaiShang3k5

今天参加了ICPC焦作赛区的比赛,获得了金牌。尽管如同大多数人的大多数比赛经历一样,总是会觉得自己还能稍好一些,但其实这次出的锅已经相当的少,运气也算的上不错了。

我们的机位
Continue reading “ICPC焦作赛区游记”
Author nocrizPosted on December 2, 2018Categories 日常, 随想Tags ICPC, 游记2 Comments on ICPC焦作赛区游记

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