D - Mike and strings Mike has n strings s1,?s2,?...,?sn each consisting of lowercase English letters. In one move he can choose a string si, erase the ...
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其他好文 时间：
2017-05-05 19:27:34
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237
A - Mike and palindrome Mike has a string s consisting of only lowercase English letters. He wants to change exactly one character from the string so ...
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其他好文 时间：
2017-05-05 19:21:12
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185
传送门 Description We have a string of letters 'a' and 'b'. We want to perform some operations on it. On each step we choose one of substrings "ab" in th ...
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其他好文 时间：
2017-05-05 14:24:56
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244
cf劲啊 原题： We have a string of letters 'a' and 'b'. We want to perform some operations on it. On each step we choose one of substrings "ab" in the strin ...
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其他好文 时间：
2017-05-05 09:23:40
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266
DNA Sorting Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 83442 Accepted: 33584 Description One measure of ``unsortedness'' in a sequence ...
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其他好文 时间：
2017-05-04 20:13:04
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219
Given an arbitrary ransom note string and another string containing letters from all the magazines, write a function that will return true if the rans ...
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其他好文 时间：
2017-05-03 17:16:47
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145
Given strings. Each string contains only lowercase letters from (both inclusive). The set of strings is said to be GOOD SET if no string is prefix of ...
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其他好文 时间：
2017-05-01 18:58:48
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316
It's spring in Wisconsin and time to move the yearling calves to the yearling pasture and last year's yearlings to the greener pastures of the north 4 ...
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其他好文 时间：
2017-05-01 10:00:35
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266
Over time, Alexey's mail box got littered with too many letters. Some of them are read, while others are unread. Alexey's mail program can either show ...
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其他好文 时间：
2017-04-30 20:34:57
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211
传送门 Description Daniel has a string s, consisting of lowercase English letters and period signs (characters '.'). Let's define the operation of replac ...
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其他好文 时间：
2017-04-30 01:07:36
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290
