问题描述： Given a char array representing tasks CPU need to do. It contains capital letters A to Z where different letters represent different tasks.Tasks ...
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其他好文 时间：
2018-06-17 14:21:46
阅读次数：
162
S and T are strings composed of lowercase letters. In S, no letter occurs more than once. S was sorted in some custom order previously. We want to per ...
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编程语言 时间：
2018-06-16 13:20:28
阅读次数：
250
解题： 有一个由小写字母组成的字符串 S，和一个整数数组 shifts。 我们将字母表中的下一个字母称为原字母的 移位（由于字母表是环绕的， 'z' 将会变成 'a'）。 例如·，shift('a') = 'b'， shift('t') = 'u',， 以及 shift('z') = 'a'。 对于 ...
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其他好文 时间：
2018-06-15 00:59:41
阅读次数：
274
You've got string s, consisting of small English letters. Some of the English letters are good, the rest are bad. A substring s[l...r] (1?≤?l?≤?r?≤?|s ...
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其他好文 时间：
2018-06-12 20:54:41
阅读次数：
200
848. Shifting Letters 题目链接：https://leetcode.com/problems/shifting-letters/description/ 思路：O（N^2）复杂度过不了；先处理shifts, 从尾到头执行shifts[i] = sum(shifts[i+1]+.. ...
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其他好文 时间：
2018-06-11 02:13:10
阅读次数：
172
Problem description Vasya is very upset that many people on the Net mix uppercase and lowercase letters in one word. That's why he decided to invent a ...
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其他好文 时间：
2018-06-10 11:44:11
阅读次数：
177
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 fa ...
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其他好文 时间：
2018-06-10 11:42:53
阅读次数：
162
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 ...
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其他好文 时间：
2018-06-09 00:09:17
阅读次数：
170
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 ...
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其他好文 时间：
2018-06-08 21:55:26
阅读次数：
151
Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may a ...
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其他好文 时间：
2018-06-08 00:33:30
阅读次数：
253
