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LC 127. Word Ladder (two end bfs)
Link class Solution { public: int ladderLength(string beginWord, string endWord, vector<string>& wordList) { unordered_set<string> words; for(auto &s: ...
分类:其他好文   时间:2020-02-09 11:19:33    阅读次数:67
557. Reverse Words in a String III
Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order. E ...
分类:其他好文   时间:2020-02-08 00:01:55    阅读次数:97
mac item2自定义光标移动快捷键,移动行首行尾,按单词跳转
To jump between words and start/end of lines in iTerm2 follow these steps: iTerm2 -> Preferences (? + ,) Open the “Keys” tab Add the following Global ...
分类:移动开发   时间:2020-02-06 12:47:35    阅读次数:92
《Java核心技术 卷2 高级特性》一
第一章 Java SE 8 的流库 流的定义 假设,words作为一个列表(List)类的实例,它存储了某本书的所有单词,现在需要对该书的长单词进行统计 根据一般的迭代方法 long count=0; for(String w:words){ if(w.length() 12) count++; } ...
分类:编程语言   时间:2020-02-05 18:22:58    阅读次数:63
336. Palindrome Pairs
Given a list of unique words, find all pairs of distinct indices (i, j) in the given list, so that the concatenation of the two words, i.e. words[i] + ...
分类:其他好文   时间:2020-02-04 10:47:17    阅读次数:71
[leetcode]Word Search II
用了前缀集合,高级的可以用前缀树 class Solution: def findWords(self, board: List[List[str]], words: List[str]) -> List[str]: if len(board) == 0 or len(board[0]) == 0: ...
分类:其他好文   时间:2020-02-03 09:45:19    阅读次数:90
[leetcode]Maximum Product of Word Lengths
用了python的set。为了效率,先做了预处理,并排序了。要注意,排序完才好预处理,否则i,j会对不上。 class Solution: def maxProduct(self, words: List[str]) -> int: maxProd = 0 words = sorted(words, ...
分类:其他好文   时间:2020-02-01 21:34:23    阅读次数:75
暴力构造英文艺术字
def myfont(): name = input("输入你的名字:(only English words) \t") length = len(name) for x in range(0, length): c = name[x] c = c.upper() if (c == "A"): pr ...
分类:其他好文   时间:2020-01-31 14:11:02    阅读次数:69
LeetCode472 - Concatenated Words - Hard (Python)
Given a list of words (without duplicates), please write a program that returns all concatenated words in the given list of words. A concatenated word ...
分类:编程语言   时间:2020-01-31 10:38:24    阅读次数:73
273. Integer to English Words
Convert a non-negative integer to its english words representation. Given input is guaranteed to be less than 231 - 1. Example 1: Input: 123 Output: " ...
分类:其他好文   时间:2020-01-29 10:50:06    阅读次数:54
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