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1、五种数据结构 stinrg、list、set、hash、zset（有序列表） 2、有一些通用操作 DEL、TYPE、RENAME 结构类型： 结构存储的值 结构的读写能力 string： 字符串、整数、浮点数 对整个字符串或者字符串的其中一部分执行操作；对整数和浮点数执行自增或者自减操作 lis 阅读全文
posted @ 2020-11-07 12:01
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To seek candies for Maomao, Dudu comes to a maze. There are nn rooms numbered from 11 to nn and mmundirected roads. There are two kinds of rooms in th 阅读全文
posted @ 2019-09-15 11:47
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You are given a number of case-sensitive strings of alphabetic characters, find the largest string X, such that either X, or its inverse can be found 阅读全文
posted @ 2019-09-07 22:21
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You may have wondered why most extraterrestrial life forms resemble humans, differing by superficial traits such as height, colour, wrinkles, ears, ey 阅读全文
posted @ 2019-09-07 22:13
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The repetition number of a string is defined as the maximum number R such that the string can be partitioned into R same consecutive substrings. For e 阅读全文
posted @ 2019-09-07 22:06
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题面就不弄了 题意：给你一个串，让你求出补充最少的字符形成的回文串 思路:思路很好想，就是对一个串，找其最后一个字符（第一个也行）和原串的反串的最长公共前缀，这样就求出了该串中的已有最长回文，然后把剩下部分 倒序添加到原串上即可。 也就是我们可以固定一个位置，即使反串的第一个单词（原串最后一个），然 阅读全文
posted @ 2019-09-07 21:48
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Given a sequence, {A1, A2, ..., An} which is guaranteed A1 > A2, ..., An, you are to cut it into three sub-sequences and reverse them separately to fo 阅读全文
posted @ 2019-09-07 21:28
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Problem Description You have a directed weighted graph with n vertexes and m edges. The value of a path is the sum of the weight of the edges you pass 阅读全文
posted @ 2019-08-23 21:39
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链接：http://codeforces.com/problemset/problem/632/C 思路：思路很快想到了，但是被sort坑了，对于sort的自定义比较函数，记住 对于相等的值一定要返回flase 附上别的大佬的验证：https://blog.csdn.net/xhu_eternalc 阅读全文
posted @ 2019-06-04 23:06
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BaoBao has just found a rooted tree with n vertices and (n-1) weighted edges in his backyard. Among the vertices, m of them are red, while the others 阅读全文
posted @ 2019-05-20 23:58
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