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91. Decode Ways
题目: A message containing letters from A-Z is being encoded to numbers using the following mapping: Given an encoded message containing digits, determi ...
分类:其他好文   时间:2017-06-05 10:18:36    阅读次数:162
[leetcode-438-Find All Anagrams in a String]
Given a string s and a non-empty string p, find all the start indices of p's anagrams in s.Strings consists of lowercase English letters only and the ...
分类:其他好文   时间:2017-06-03 13:59:08    阅读次数:110
双端队列 C. Vasya and String
High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotesbeauty of the ...
分类:其他好文   时间:2017-06-01 20:06:22    阅读次数:216
[LintCode] Decode Ways
A message containing letters from A-Z is being encoded to numbers using the following mapping: 'A' -> 1 'B' -> 2 ... 'Z' -> 26 Given an encoded messag ...
分类:其他好文   时间:2017-06-01 13:16:13    阅读次数:234
79. Word Search
题目: 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 "a ...
分类:其他好文   时间:2017-05-31 10:11:59    阅读次数:120
[LeetCode] 91. Decode Ways Java
题目: A message containing letters from A-Z is being encoded to numbers using the following mapping: Given an encoded message containing digits, determi ...
分类:编程语言   时间:2017-05-29 10:00:08    阅读次数:194
[leetcode]Decode Ways
问题描写叙述: A message containing letters from A-Z is being encoded to numbers using the following mapping: 'A' -> 1 'B' -> 2 ... 'Z' -> 26 Given an encode ...
分类:其他好文   时间:2017-05-28 21:41:00    阅读次数:183
R matrix 转换为 dataframe
When I try converting a matrix to a data frame, it works for me: > x <- matrix(1:6,ncol=2,dimnames=list(LETTERS[1:3],letters[24:25])) > data.frame(x) ...
分类:其他好文   时间:2017-05-24 19:19:43    阅读次数:1580
python 获取随机字母
方法一(使用string): 方法二(使用ch()) ...
分类:编程语言   时间:2017-05-24 15:58:18    阅读次数:158
424. Longest Repeating Character Replacement
Problem statement: Given a string that consists of only uppercase English letters, you can replace any letter in the string with another letter at mos ...
分类:其他好文   时间:2017-05-24 09:54:32    阅读次数:227
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