Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and then add one more letter at ...
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其他好文 时间:
2016-08-29 01:44:35
阅读次数:
230
Problem Description Now you are back,and have a task to do:Given you a string s consist of lower-case English letters only,denote f(s) as the number o ...
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其他好文 时间:
2016-08-26 09:06:21
阅读次数:
269
题意:给定一个字符串,让你把它的一个子串字符都减1,使得总字符串字典序最小。 析:由于这个题是必须要有一个字串,所以你就要注意这个只有一个字符a的情况,其他的就从开始减 1,如果碰到a了就不减了,如果到最后一位了还没开始减, 就减最后一位。 代码如下: ...
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其他好文 时间:
2016-08-26 01:29:50
阅读次数:
183
Special Characters #Latin-1 entity set for HTML capital O, slash #Latin Extended-A #Latin Extended-B #Spacing Modifier Letters Greek Punctuation Gener ...
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其他好文 时间:
2016-08-24 12:58:54
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5789
问题描述: Given a 2D board and a word, find if the word exists in the grid. The word can be constructed from letters of sequentially adjacent cell, where ...
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编程语言 时间:
2016-08-22 20:04:01
阅读次数:
163
Implement a trie with insert, search, and startsWith methods. Note: You may assume that all inputs are consist of lowercase letters a-z. Solution: ...
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其他好文 时间:
2016-08-22 09:30:22
阅读次数:
207
Email Aliases Polycarp has quite recently learned about email aliases. Of course, he used to suspect that the case of the letters doesn't matter in em ...
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其他好文 时间:
2016-08-20 23:26:11
阅读次数:
435
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:
2016-08-18 01:01:08
阅读次数:
128
题目描述: Given an arbitrary ransom note string and another string containing letters from all the magazines, write a function that will return true if th ...
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编程语言 时间:
2016-08-17 01:28:15
阅读次数:
282
Given a string array words, find the maximum value of length(word[i]) * length(word[j]) where the two words do not share common letters. You may assum ...
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其他好文 时间:
2016-08-16 21:47:00
阅读次数:
133