代码清理:准备上传代码

dev
cs 3 months ago
parent ee9062177f
commit 7ecda3d53a

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//
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// KMP 算法实例
function kmpSearch(str, pattern) {
// 生成 next 数组
function getNext(pattern) {
}
const next = getNext(pattern);
let i = 0;
let j = 0;
while (i < str.length && j < pattern.length) {
if (j === -1 || str[i] === pattern[j]) {
i++;
j++;
}
}
if (j === pattern.length) {
return i - j;
}
return -1;
}
//try to use KMP
var strStr = function(haystack, needle) {
return kmpSearch(haystack, needle);
};
// 本地git账号邮箱密码重新配置了
// 再次尝试使用新身份提交
// 本地git账号邮箱密码重新配置了
// 再次尝试使用新身份提交到非主支
// 本地git账号用户名改成cs了
// 再次尝试使用新身份提交到非主支

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// tree.js
// 实现一个树结构
class Tree {
constructor(data) {
this.data = data;
this.children = [];
}
}
module.exports = Tree;
// 相关的方法
// 插入子节点
Tree.prototype.insert = function(data) {
this.children.push(new Tree(data));
}
// 遍历树
Tree.prototype.traverse = function(callback) {
callback(this.data);
for (let i = 0; i < this.children.length; i++) {
this.children[i].traverse(callback);
}
}
// 查找树
Tree.prototype.find = function(data) {
if (this.data === data) {
return this;
}
for (let i = 0; i < this.children.length; i++) {
let result = this.children[i].find(data);
if (result) {
return result;
}
}
return null;
}
// 删除树
Tree.prototype.remove = function(data) {
for (let i = 0; i < this.children.length; i++) {
if (this.children[i].data === data) {
this.children.splice(i, 1);
return;
}
}
}
// 清空树
Tree.prototype.clear = function() {
this.children = [];
}
// 树的高度
Tree.prototype.height = function() {
let height = 0;
for (let i = 0; i < this.children.length; i++) {
let childHeight = this.children[i].height();
if (childHeight > height) {
height = childHeight;
}
}
return height + 1;
}
// 树的深度
Tree.prototype.depth = function() {
let depth = 0;
let parent = this.parent;
while (parent) {
depth++;
parent = parent.parent;
}
return depth;
}
// 树的大小
Tree.prototype.size = function() {
let size = 1;
}
// 树的叶子节点
Tree.prototype.leaf = function() {
let leaf = 0;
}
// 树的节点数
Tree.prototype.node = function() {
let node = 0;
}

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//实现二叉树
class BinaryTree {
constructor(data) {
this.data = data;
this.left = null;
this.right = null;
}
}
BinaryTree.prototype.insert = function(data) {
if (data < this.data) {
if (this.left === null) {
this.left = new BinaryTree(data);
}
}
}
BinaryTree.prototype.traverse = function(callback) {
if (this.left !== null) {
this.left.traverse(callback);
}
}
// 查找树
BinaryTree.prototype.find = function(data) {
if (this.data === data) {
return this;
}
for (let i = 0; i < this.children.length; i++) {
let result = this.children[i].find(data);
if (result) {
return result;
}
}
return null;
}
// 删除树
BinaryTree.prototype.remove = function(data) {
for (let i = 0; i < this.children.length; i++) {
if (this.children[i].data === data) {
this.children.splice(i, 1);
return;
}
}
}
// 清空树
BinaryTree.prototype.clear = function() {
this.children = [];
}
// 树的高度
BinaryTree.prototype.height = function() {
let height = 0;
}
// 树的深度
BinaryTree.prototype.depth = function() {
let depth = 0;
}
// 树的大小
BinaryTree.prototype.size = function() {
let size = 0;
}
// 树的叶子节点
BinaryTree.prototype.leaf = function() {
let leaf = 0;
}
module.exports = BinaryTree;
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