68. 文本左右对齐 给定一个单词数组和一个长度 maxWidth,重新排版单词,使其成为每行恰好有 maxWidth 个字符,且左右两端对齐的文本. 你应该使用"贪心算法"来放置给定的单词:也就是说,尽可能多地往每行中放置单词.必要时可用空格 ' ' 填充,使得每行恰好有 maxWidth 个字符. 要求尽可能均匀分配单词间的空格数量.如果某一行单词间的空格不能均匀分配,则左侧放置的空格数要多于右侧的空格数. 文本的最后一行应为左对齐,且单词之间不插入额外的空格. 说明: 单词是指由…

68. 文本左右对齐 国区第240位AC的~我还以为坑很多呢,一次过,嘿嘿,开心 其实很简单,注意题意:使用"贪心算法"来放置给定的单词:也就是说,尽可能多地往每行中放置单词. 也就是说,一行里放置多少word,是一次确定的,后面的行word怎么分配,跟前面的行没有关系. 注意有个隐藏条件:两个单词间至少有一个空格 那么我们就可以把问题分解了: 第一步:找出一行需要放置哪些word("贪心算法"来放置给定的单词,尽可能多地往每行中放置单词.) 第二步:word怎么放…

文本左右对齐 给定一个单词数组和一个长度 maxWidth,重新排版单词,使其成为每行恰好有 maxWidth 个字符,且左右两端对齐的文本. 你应该使用"贪心算法"来放置给定的单词:也就是说,尽可能多地往每行中放置单词.必要时可用空格 ' ' 填充,使得每行恰好有 maxWidth 个字符. 要求尽可能均匀分配单词间的空格数量.如果某一行单词间的空格不能均匀分配,则左侧放置的空格数要多于右侧的空格数. 文本的最后一行应为左对齐,且单词之间不插入额外的空格. 说明: 单词是指由非空格字…

Hard! 题目描述: 给定一个单词数组和一个长度 maxWidth,重新排版单词,使其成为每行恰好有 maxWidth 个字符,且左右两端对齐的文本. 你应该使用“贪心算法”来放置给定的单词:也就是说,尽可能多地往每行中放置单词.必要时可用空格 ' ' 填充,使得每行恰好有 maxWidth 个字符. 要求尽可能均匀分配单词间的空格数量.如果某一行单词间的空格不能均匀分配,则左侧放置的空格数要多于右侧的空格数. 文本的最后一行应为左对齐,且单词之间不插入额外的空格. 说明: 单词是指由非空格字…

Given an array of words and a length L, format the text such that each line has exactly L characters and is fully (left and right) justified. You should pack your words in a greedy approach; that is, pack as many words as you can in each line. Pad ex…

html文本垂直居中对齐,代码如下: <div id="box" style="height:100px; line-height:100px; border:1px solid #cccccc;margin:50px;">    <span style="vertical-align:middle;display:inline-block;line-height:1.2em;">      行1<br>   …

浏览器参照基准:Firefox4 and Later, Chrome5 and Later, Safari5 and Later, Opera10.53 and Later, IE5.5 and Later  两端对齐方案基于 text-align:justify 及 text-align-last:justify 实现    <div>How are you. 你 好 !<div>    由于大部分浏览器两端对齐的实现,都是通过调整字之间的空格大小来达成的,所以我们事先在每个单词…

Find all possible combinations of k numbers that add up to a number n, given that only numbers from 1 to 9 can be used and each combination should be a unique set of numbers. Ensure that numbers within the set are sorted in ascending order. Example 1…

Given a string S, you are allowed to convert it to a palindrome by adding characters in front of it. Find and return the shortest palindrome you can find by performing this transformation. For example: Given "aacecaaa", return "aaacecaaa&qu…

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 adjacent cell, where "adjacent" cells are those horizontally or vertically neighboring. The same le…

Design a data structure that supports the following two operations: void addWord(word)bool search(word) search(word) can search a literal word or a regular expression string containing only letters a-z or .. A . means it can represent any one letter.…

There are a total of n courses you have to take, labeled from 0 to n - 1. Some courses may have prerequisites, for example to take course 0 you have to first take course 1, which is expressed as a pair: [0,1] Given the total number of courses and a l…

一,问题分析 1.在做历史记录视图的时候,由于让键盘退出后才能触发表格的 didselect 那个代理方法,也就是得点两下才触发,而表格中的按钮点一下就可以立即响应. 2.于是我就有了用按钮事件代替 cell 的代理方法. 3.本以为用 contentEdgeInset 和 titleLabel 的 textAlignment就能解决按钮文字的左对齐问题,结果都失败了. 4.结果上网一查,textAlignment"只是让标签中的文本左对齐,但并没有改变标签在按钮中的对齐方式." 5.…

Given a 2d grid map of '1's (land) and '0's (water), count the number of islands. An island is surrounded by water and is formed by connecting adjacent lands horizontally or vertically. You may assume all four edges of the grid are all surrounded by…

Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find the maximum profit. You may complete at most k transactions. 解题思路: https://leetcode.com/discuss/18330/is-it-best-solution-with-o-n-o-1…

Suppose a sorted array is rotated at some pivot unknown to you beforehand. (i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2). Find the minimum element. The array may contain duplicates. 解题思路: 参考Java for LeetCode 081 Search in Rotated Sorted Array II J…

Suppose a sorted array is rotated at some pivot unknown to you beforehand. (i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2). Find the minimum element. You may assume no duplicate exists in the array. 解题思路: 本题和Java for LeetCode 033 Search in Rotated S…

The set [1,2,3,…,n] contains a total of n! unique permutations. By listing and labeling all of the permutations in order, We get the following sequence (ie, for n = 3): "123" "132" "213" "231" "312" "…

Given an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. For example, Given n = 3, You should return the following matrix: [ [ 1, 2, 3 ], [ 8, 9, 4 ], [ 7, 6, 5 ]] 解题思路: 参考Java for LeetCode 054 Spiral Matrix,修改下…

Given a set of non-overlapping intervals, insert a new interval into the intervals (merge if necessary). You may assume that the intervals were initially sorted according to their start times. Example 1: Given intervals [1,3],[6,9], insert and merge…

Given an array of non-negative integers, you are initially positioned at the first index of the array. Each element in the array represents your maximum jump length at that position. Determine if you are able to reach the last index. For example: A =…

Given a collection of numbers that might contain duplicates, return all possible unique permutations. For example, [1,1,2] have the following unique permutations: [1,1,2], [1,2,1], and [2,1,1]. 解题思路一: 发现Java for LeetCode 046 Permutations自己想多了,代码直接拿来用…

Implement wildcard pattern matching with support for '?' and '*'. '?' Matches any single character. '*' Matches any sequence of characters (including the empty sequence). The matching should cover the entire input string (not partial). The function p…

Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring. For "(()", the longest valid parentheses substring is "()", which has length = 2. Another example is &…

Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. 解题思路一: 之前我们有mergeTwoLists(ListNode l1, ListNode l2)方法,直接调用的话,需要k-1次调用,每次调用都需要产生一个ListNode[],空间开销很大.如果采用分治的思想,对相邻的两个ListNode进行mergeTwoLists,每次将规模减少一半,直到…

https://leetcode.com/problems/text-justification/ Given an array of words and a length L, format the text such that each line has exactly L characters and is fully (left and right) justified. You should pack your words in a greedy approach; that is,…

一.文本水平对齐属性---text-align text-align属性是将块级标签以及单元格里面的内容进行相应的对齐,块级标签里的内联元素会被整体进行移动,而子块级元素或子单元格则会继承父元素的text-align属性. 属性值: <!-- span和img作为内联元素而整体居中 --> <div style="text-align: center;"> <span style="background-color: yellow;"&…

在进行网页设计时,我们经常会看到这样的样式:文本两端对齐. css为我们提供了一个属性可以实现这样的效果:text-align: justify.不过这个只能用来设置多行文本(除最后一行).如果只有单行的话,是不起效果的.那怎么办呢?这里有两种解决方案: 第一种 借助伪元素或者内联元素使文本不是最后一行.具体代码: <form> <p> <label>用户名</label>: <input type="text"> </…

文本左右对齐排版 有文本4.txt如下: 111111111111111111111 98912 张三 222222222222222222 150020 李四四 333333333333333333333 360000 王五 444444444444444444 2332 赵六六 555555555555555555 222 田七 666666666666666666666 999999 简单的文本通过批处理排版 编写代码 #! /bin/bash file=./4.txt echo -e "…

文本垂直居中对齐是一个很常见的问题,这里总结一下. 一.容器高度固定,单行文本垂直居中对齐 height:20px; line-height:20px; overflow:hidden; 二.容器高度固定,多行文本垂直居中对齐 padding-top:10px; padding-bottom:10px; line-height:20px; 三.容器高度自适,单行/多行文本垂直居中对齐 .targetList dl dt div { width:265px; height:50px; displa…