width:auto:会将元素撑开至整个父元素width,但是会减去子节点自己的margin,padding或者border的大小.width:100%:会强制将元素变成和父元素一样的宽,并且添加额外的空间到这个元素的width上.就是因为这个,会导致很多问题. 使用width:100%永远都不是一个好主意.这个属性容易让人产生你正在定义一个元素可视大小,其实,你是在对这个元素的状态做了巨大的改变. 块元素会填满其父元素的整个width,因为块元素默认的是width:auto;的. See th…
// --- Directions // Given the root node of a tree, return // an array where each element is the width // of the tree at each level. // --- Example // Given: // // / | \ // 1 2 3 // | | // 4 5 // Answer: [1, 3, 2] function levelWidth(root) { let coun…
package zhongqiuzuoye; //自己写的方法 public class Rect { public double width; public double height; Rect(double width,double height) //带有两个参数的构造方法,用于将width和height属性初化; { this.width=width; this.height=height; } Rect() //不带参数的构造方法,将矩形初始化为宽和高都为10. { width=10…
Given a binary tree, write a function to get the maximum width of the given tree. The width of a tree is the maximum width among all levels. The binary tree has the same structure as a full binary tree, but some nodes are null. The width of one level…