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Problem DescriptionMike does not want others to view his messages, so he find a encode method Base64.Here is an example of the note in Chinese Passpor... 阅读全文
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1.hust上面两套树形DP2.hust上面两套区间DP3.学习哈希，巩固kmp，多刷几道熟悉4.刷hdu上面Dynamic Programming专题以及search专题5.学习二分图，网络流（√ ×）6.看大白书，把入门经典小白书例题刷一遍7.orz不知道什么时候能否刷完~~想到什么了再补充，在... 阅读全文
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Two soldiers are playing a game. At the beginning first of them chooses a positive integernand gives it to the second soldier. Then the second one tri... 阅读全文
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Two bored soldiers are playing card war. Their card deck consists of exactlyncards, numbered from1ton,all values are different. They divide cards betw... 阅读全文