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[LC] 767. Reorganize String
Given a string S, check if the letters can be rearranged so that two characters that are adjacent to each other are not the same. If possible, output ...
分类:其他好文   时间:2020-01-31 14:18:49    阅读次数:60
Python学习,第五课 - 列表、字典、元组操作
本篇主要详细讲解Python中常用的列表、字典、元组相关的操作 一、列表 列表是我们最以后最常用的数据类型之一,通过列表可以对数据实现最方便的存储、修改等操作 通过下标获取元素 #先定义一个列表 letters = ['a', 'b', 'c', 'd', 'e'] letters[1] #输出:b ...
分类:编程语言   时间:2020-01-30 23:09:15    阅读次数:71
1332. Remove Palindromic Subsequences
Given a string s consisting only of letters 'a' and 'b'. In a single step you can remove one palindromic subsequence from s. Return the minimum number ...
分类:其他好文   时间:2020-01-29 12:53:49    阅读次数:94
PAT Advanced 1050 Broken Keyboard (20) [Hash散列]
题目 On a broken keyboard, some of the keys are worn out. So when you type some sentences, the characters corresponding to those keys will not appear on ...
分类:其他好文   时间:2020-01-28 21:29:54    阅读次数:63
vue图书小案例
小知识点: vue中计算属性有缓存(对象属性变化时才会更新),方法没有缓存,所以计算属性比方法效率高js中let有块级作用域,var没有块级作用域,所以var是有缺陷的this.letters[0] = 'bb'; //vue中,这种做法并不是响应式的;推荐使用响应式方法:this.letters. ...
分类:其他好文   时间:2020-01-26 22:17:10    阅读次数:65
PHP Array
``` '; //var_dump($numbers); //var_dump($odds); //var_dump($letters); $a[3]=4; //automatically resize the array //4 $student = ['amy','joseph','mike']... ...
分类:Web程序   时间:2020-01-23 19:46:55    阅读次数:111
Python zip
import numpy as np letters = ['a', 'b', 'c'] nums = [1, 2, 3] for letter, num in zip(letters, nums): print("{}: {}".format(letter, num)) # 将多个list的数据组 ...
分类:编程语言   时间:2020-01-20 09:37:59    阅读次数:80
[LC] 1002. Find Common Characters
Given an array A of strings made only from lowercase letters, return a list of all characters that show up in all strings within the list (including d ...
分类:其他好文   时间:2020-01-18 13:04:21    阅读次数:99
leetcode 1079. Letter Tile Possibilities
You have a set of tiles, where each tile has one letter tiles[i]printed on it. Return the number of possible non-empty sequences of letters you can ma ...
分类:其他好文   时间:2020-01-13 10:55:57    阅读次数:73
LeetCode 395. Longest Substring with At Least K Repeating Characters
原题链接在这里:https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters/ 题目: Find the length of the longest substring T of a give ...
分类:其他好文   时间:2020-01-06 15:00:54    阅读次数:81
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