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Codeforces Round #372 (Div. 2) B
Description ZS the Coder loves to read the dictionary. He thinks that a word is nice if there exists a substring (contiguous segment of letters) of it ...
分类:其他好文   时间:2016-09-18 06:33:31    阅读次数:233
17. Letter Combinations of a Phone Number
Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like on the telepho ...
分类:其他好文   时间:2016-09-16 10:12:49    阅读次数:141
Decode Ways
A message containing letters from A-Z is being encoded to numbers using the following mapping: Given an encoded message containing digits, determine t ...
分类:其他好文   时间:2016-09-11 22:57:30    阅读次数:164
Leetcode 389. Find the Difference
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 ...
分类:其他好文   时间:2016-09-10 16:14:05    阅读次数:101
LeetCode-Word Search
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:2016-09-10 07:51:08    阅读次数:195
LeetCode-Longest Substring with At Least K Repeating Characters
Find the length of the longest substring T of a given string (consists of lowercase letters only) such that every character in T appears no less than ...
分类:其他好文   时间:2016-09-09 15:10:28    阅读次数:101
91. Decode Ways
A message containing letters from A-Z is being encoded to numbers using the following mapping: Given an encoded message containing digits, determine t ...
分类:其他好文   时间:2016-09-09 06:34:47    阅读次数:186
[LeetCode] Longest Substring with At Least K Repeating Characters 至少有K个重复字符的最长子字符串
Find the length of the longest substring T of a given string (consists of lowercase letters only) such that every character in T appears no less than ...
分类:其他好文   时间:2016-09-08 12:43:19    阅读次数:124
Codeforces Problem 708A Letters Cyclic Shift
题目链接: http://codeforces.com/problemset/problem/708/A 题目大意: 从字符串s中挑选出一个子串(非空),将该子串中的每个字母均替换成前一个字母,如'b'换成'a','c'换成'b',以此类推,特别的,'a'要换成'z',问经过一次转换之后,字典序最小 ...
分类:其他好文   时间:2016-09-07 22:41:36    阅读次数:121
[leetcode] 389. Find the Difference 解题报告
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 ...
分类:其他好文   时间:2016-09-04 23:42:12    阅读次数:226
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