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LeetCode: Distinct Subsequences [115]
【题目】 Given a string S and a string T, count the number of distinct subsequences of T in S. A subsequence of a string is a new string which is formed from the original string by deleting some (can be none) of the characters without disturbing the relati...
分类:其他好文   时间:2014-06-29 07:27:17    阅读次数:210
UTS- Date format patterns
http://unicode.org/reports/tr35/tr35-6.html#Date_Format_PatternsAppendix F:Date Format PatternsA date pattern is a string of characters, where specifi...
分类:其他好文   时间:2014-06-11 23:37:19    阅读次数:499
Careercup | Chapter 1
1.1Implement an algorithm to determine if a string has all unique characters. What if you cannot use additional data structures?字符串问题,需要先确定是不是只有ASCII码...
分类:其他好文   时间:2014-06-11 12:27:53    阅读次数:247
leetcode——Longest Substring Without Repeating Characters 求链表中无重复字符的最大字串长度(AC)
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb" is "abc", which the length is 3. Fo...
分类:其他好文   时间:2014-06-08 16:27:47    阅读次数:231
Leetcode: Text Justification. java
Given an array of words and a length L, format the text such that each line has exactly L characters and is fully (left and right) justified. You should pack your words in a greedy approach; that i...
分类:编程语言   时间:2014-06-08 15:25:00    阅读次数:282
Swift中文手册 -- Strings and Characters
字符串和字符 (Strings and Characters)String是一个有序的字符集合,例如 "hello, world", "albatross"。Swift 字符串通过String类型来表示,也可以表示为Character类型值的集合。Swift 的String和Character类型提...
分类:其他好文   时间:2014-06-08 00:24:00    阅读次数:381
LeetCode: Text Justification [068]
【题目】 Given an array of words and a length L, format the text such that each line has exactly L characters and is fully (left and right) justified. You should pack your words in a greedy approach; that is, pack as many words as you can in each line. Pad ...
分类:其他好文   时间:2014-06-04 22:37:46    阅读次数:389
CareerCup之1.3字符串去重
【题目】原文:1.3 Design an algorithm and write code to remove the duplicate characters in a string without using any additional buffer. NOTE: One or two add...
分类:其他好文   时间:2014-06-02 21:32:04    阅读次数:284
读书-算法《程序设计导引及在线实践》-简单计算题4:填词
题目描述:题目描述相当的繁琐 分析:输入保证填词游戏至少有一组答案,这就说明不必寻找单词所在的位置,只要去掉这些单词所占用的字母就可以了。 代码实现一下: #include void main(){ int characters[26]; int n, m, p; int i, j; for(i =...
分类:其他好文   时间:2014-06-02 08:22:49    阅读次数:208
【leetcode】 Longest Substring Without Repeating Characters
题目: 给定一个字符串,返回该串没有重复字符的最长子串。 分析: 1)子串:子串要求是连续的。 2)无重复,出现重复就断了,必须从新的位置开始。而新的位置就是重复字符第一次出现位置的下一个位置。 3)整个串可能没有一处重复。 那么,为了找出当前访问的字符是否出现过,要怎么做呢?当然是hash,O(1)的时间,而且既然是字符, 定义个255的hash table 就可以了,has...
分类:其他好文   时间:2014-06-01 10:48:31    阅读次数:206
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