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百题纪念
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背包貌似不行
题目 149 [USACO Dec07] 书架2
2016-04-02 20:56:32
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COGS评测时会占一些内存吗?若将内存限制开大些评测,A掉后的平均内存小于2MB,但若不改,则MLE
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丧心病狂地卡内存......
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。。。没给数据范围,我手写哈希,RE了五六次才AC..
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终于写对splay了。
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回复 @stdafx.h :
嘿嘿嘿……这题在比赛的时候只有不到400个人写出来(总人数4000多),怎么是水题呢(滑稽) 官方题解 This problem asked to figure out an integer sequence from two samples and problem title. It turned out to be surprisingly hard, a lot harder than I anticipated. A quick search through OEIS shows that while there are a lot of sequences which have these two numbers in them, only one is related to Leonardo da Vinci (and if you're looking for da Vinci, there are only two sequences overall). http://oeis.org/A221180 is an erroneous series of powers of 2, written down by da Vinci in his diaries and available as part of "Codex Madrid I".
题目 2205 黑心买卖
2016-04-02 16:27:31
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题目 2205 黑心买卖
2016-04-02 16:26:58
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数据是错的,只能打表。
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.....举报!
题目 2205 黑心买卖
2016-04-02 15:22:00
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这算法实现起来很痛苦!
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题目 37 增强的加法问题
2016-04-02 11:09:33
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lis
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lcis
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lcis
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卡时间的都不是什么好人= =。
题目 2192 约瑟夫之生存之道
2016-04-02 09:58:37
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这题真是几个数列操作题的变态强化版!思路简单,数据却奇强无比!
谁能告诉我怎么还能更快? |
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题目 2196 [HZOI 2016] 最长公共上升子序列
2016-04-02 09:46:30
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