Given two integers A and B, return any string S such that: S has length A + B and contains exactly A 'a' letters, and exactly B 'b' letters; The subst ...
分类：
其他好文 时间：
2019-02-05 13:05:51
阅读次数：
165
好懒again，草稿 用时4ms，内存1M (好高啊魂淡 ...
分类：
其他好文 时间：
2019-02-04 23:16:36
阅读次数：
179
To some string S, we will perform some replacement operations that replace groups of letters with new ones (not necessarily the same size). Each repla ...
分类：
其他好文 时间：
2019-02-04 23:16:25
阅读次数：
221
Given the root of a binary tree, each node has a value from 0 to 25 representing the letters 'a' to 'z': a value of 0 represents 'a', a value of 1repr ...
分类：
其他好文 时间：
2019-02-03 14:11:35
阅读次数：
195
Given a 2D board and a list of words from the dictionary, find all words in the board. Each word must be constructed from letters of sequentially adja ...
分类：
其他好文 时间：
2019-02-03 01:00:44
阅读次数：
324
算法描述： A message containing letters from A-Z is being encoded to numbers using the following mapping: Given a non-empty string containing only digits, ...
分类：
其他好文 时间：
2019-02-02 12:39:00
阅读次数：
159
题意 A string is finite sequence of characters over a non empty finite set Σ. In this problem, Σ is the set of lowercase letters. Substring, also called ...
分类：
其他好文 时间：
2019-02-01 23:30:09
阅读次数：
205
# string Moudle """ Data: ascii_letters 大小写字母 ascii_lowercase 小写字母 ascii_uppercase 大写字母 digits 数字0-9 hexdigits 十六进制 012345678... ...
分类：
其他好文 时间：
2019-01-30 14:26:38
阅读次数：
127
In a string S of lowercase letters, these letters form consecutive groups of the same character. For example, a string like S = "abbxxxxzyy" has the g ...
分类：
其他好文 时间：
2019-01-28 23:07:06
阅读次数：
176
Sorting It All Out Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 40012 Accepted: 14072 Description An ascending sorted sequence of distin ...
分类：
其他好文 时间：
2019-01-28 10:52:45
阅读次数：
116
