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Codeforces Round #481 (Div. 3) C. Letters
题目地址:http://codeforces.com/contest/978/problem/C 题解:有n个宿舍,每个宿舍人不一样多,有m封信,每封信送给对应的第m间房间,问这封信是给第几个宿舍,第几间房的。 方法:做题目的时候没有看到信的编号是不断升高的,把题目想复杂了,wa了两次。这题把寝室的 ...
分类:其他好文   时间:2018-05-15 17:27:35    阅读次数:178
Codeforces Round #481 (Div. 3) C. Letters
C. Letters 题目大意: 分析: code: ...
分类:其他好文   时间:2018-05-14 22:57:06    阅读次数:266
【TOJ 2176】Surprising Strings
描述 The D-pairs of a string of letters are the ordered pairs of letters that are distance D from each other. A string is D-unique if all of its D-pairs ...
分类:其他好文   时间:2018-05-14 13:19:15    阅读次数:186
833. Find And Replace in String
Find And Replace in String To some string S, we will perform some replacement operations that replace groups of letters with new ones (not necessarily ...
分类:其他好文   时间:2018-05-14 00:08:19    阅读次数:181
Codeforces #123D: 后缀数组+单调栈
D. String D. String You are given a string s. Each pair of numbers l and r that fulfill the condition 1?≤?l?≤?r?≤?|s|, correspond to a substring of th ...
分类:编程语言   时间:2018-05-13 19:03:40    阅读次数:220
密码生成进阶
随机密码定向生成加盐直接复制importstringimportrandomcount=8str_from=string.ascii_letters+string.digits"".join([random.choice(str_from)for_inrange(count)])‘NLlZXbh9‘importstringimportrandomdefrandom_passwd(count):"生
分类:其他好文   时间:2018-05-12 00:06:20    阅读次数:160
Log Files
Description Nikolay has decided to become the best programmer in the world! Now he regularly takes part in various programming contests, attentively l ...
分类:其他好文   时间:2018-05-11 20:37:36    阅读次数:143
python列表学习记录
1.向列表增加元素 使用append() 2.列表分片(slicing) print letters[1:4] 取回三项(索引数之差) 3.扩展列表 extend()在末尾增加多个元素extend.extend(['p','a','v']) 4.插入元素insert() letters.insert ...
分类:编程语言   时间:2018-05-09 19:41:43    阅读次数:177
Positions of Large Groups
Positions of Large Groups In a string S of lowercase letters, these letters form consecutive groups of the same character. For example, a string like  ...
分类:其他好文   时间:2018-05-07 00:43:14    阅读次数:233
LeetCode 830. Positions of Large Groups
In a string S of lowercase letters, these letters form consecutive groups of the same character. For example, a string like S = "abbxxxxzyy" has the g ...
分类:其他好文   时间:2018-05-06 13:42:31    阅读次数:408
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