mirror of
https://gitea.smigz.com/smiggiddy/odin-codeprojects.git
synced 2024-12-25 22:10:43 -05:00
feat: new stuff
This commit is contained in:
parent
ddba85e74b
commit
95d3793c20
7 changed files with 1913 additions and 480 deletions
13
csci/.eslintrc
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13
csci/.eslintrc
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@ -0,0 +1,13 @@
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module.exports = {
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env: {
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browser: true,
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es2021: true,
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node: true,
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},
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extends: ["eslint:recommended", "prettier"],
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parserOptions: {
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ecmaVersion: "latest",
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sourceType: "module",
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},
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};
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4
csci/.prettierrc
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4
csci/.prettierrc
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@ -0,0 +1,4 @@
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{
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"tabWidth": 4,
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"singleQuote": true
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}
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@ -1,215 +1,236 @@
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class LinkedList {
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constructor() {
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this.size = 0;
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this.tail = null;
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this.head = null;
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}
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append(value) {
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let newNode = new Node(value);
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if (this.head == null) {
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this.head = newNode;
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} else {
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const temp = this.head;
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this.head = newNode;
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this.head.nextNode = temp;
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}
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if (this.tail == null) {
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this.tail = newNode;
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constructor() {
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this.size = 0;
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this.tail = null;
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this.head = null;
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}
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this.size += 1;
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}
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prepend(value) {
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let newNode = new Node(value);
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if (this.tail == null) {
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this.tail = newNode;
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if (this.head == null) {
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this.head = newNode;
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}
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} else {
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const temp = this.tail;
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temp.nextNode = newNode;
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this.tail = newNode;
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getHead() {
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return this.tail;
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}
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this.size += 1;
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}
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at(index) {
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function nodeAtIndex(index, count, node) {
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if (index === count) {
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return node;
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} else if (node.nextNode == null) {
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return null;
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} else {
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return nodeAtIndex(index, count + 1, node.nextNode);
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}
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getTail() {
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return this.head;
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}
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return nodeAtIndex(index, 0, this.head);
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}
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pop() {
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if (this.head.nextNode == null) {
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this.head = null;
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this.tail = null;
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} else {
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this.head = this.head.nextNode;
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}
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this.size -= 1;
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}
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contains(value) {
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function searchNodes(node, value) {
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if (node.value === value) {
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return true;
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} else if (node.nextNode == null) {
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return false;
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} else {
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return searchNodes(node.nextNode, value);
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}
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getSize() {
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return this.size;
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}
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return searchNodes(this.head, value);
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}
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find(value) {
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let index = 0;
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function searchNodes(node, value, index) {
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if (node.value === value) {
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return index;
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} else if (node.nextNode == null) {
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return null;
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} else {
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return searchNodes(node.nextNode, value, index + 1);
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}
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}
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return searchNodes(this.head, value, index);
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}
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insertAt(value, index) {
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let previousNode = null;
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let newNode = new Node(value);
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let currentNode = this.head;
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let count = 0;
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if (index === 0) {
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this.append(value);
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return;
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}
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while (currentNode != null) {
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if (count == index) {
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if (currentNode.nextNode == null) {
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this.prepend(value);
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return;
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append(value) {
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let newNode = new Node(value);
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if (this.head == null) {
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this.head = newNode;
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} else {
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let nextNode = currentNode;
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previousNode.nextNode = newNode;
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newNode.nextNode = nextNode;
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return;
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const temp = this.head;
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this.head = newNode;
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this.head.nextNode = temp;
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}
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if (this.tail == null) {
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this.tail = newNode;
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}
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}
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previousNode = currentNode;
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currentNode = currentNode.nextNode;
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count += 1;
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}
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}
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removeAt(index) {
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let previousNode = null;
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let currentNode = this.head;
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let count = 0;
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if (index === 0) {
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this.pop();
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return;
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this.size += 1;
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}
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while (currentNode != null) {
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if (count == index) {
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if (currentNode.nextNode == null) {
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previousNode.nextNode = null;
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return;
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prepend(value) {
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let newNode = new Node(value);
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if (this.tail == null) {
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this.tail = newNode;
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if (this.head == null) {
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this.head = newNode;
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}
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} else {
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previousNode.nextNode = currentNode.nextNode;
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return;
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const temp = this.tail;
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temp.nextNode = newNode;
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this.tail = newNode;
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}
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}
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previousNode = currentNode;
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currentNode = currentNode.nextNode;
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count += 1;
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}
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}
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toString() {
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let nodes = [];
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let current = this.head;
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while (current != null) {
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nodes.push(current.value);
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current = current.nextNode;
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this.size += 1;
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}
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console.log(nodes.join(" -> ") + " -> null");
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}
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at(index) {
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function nodeAtIndex(index, count, node) {
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if (index === count) {
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return node;
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} else if (node.nextNode == null) {
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return null;
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} else {
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return nodeAtIndex(index, count + 1, node.nextNode);
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}
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}
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return nodeAtIndex(index, 0, this.head);
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}
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pop() {
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if (this.head.nextNode == null) {
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this.head = null;
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this.tail = null;
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} else {
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this.head = this.head.nextNode;
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}
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this.size -= 1;
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}
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contains(value) {
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function searchNodes(node, value) {
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if (node.value === value) {
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return true;
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} else if (node.nextNode == null) {
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return false;
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} else {
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return searchNodes(node.nextNode, value);
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}
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}
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return searchNodes(this.head, value);
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}
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find(value) {
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let index = 0;
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function searchNodes(node, value, index) {
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if (node.value === value) {
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return index;
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} else if (node.nextNode == null) {
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return null;
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} else {
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return searchNodes(node.nextNode, value, index + 1);
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}
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}
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return searchNodes(this.head, value, index);
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}
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insertAt(value, index) {
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let previousNode = null;
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let newNode = new Node(value);
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let currentNode = this.head;
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let count = 0;
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if (index === 0) {
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this.append(value);
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return;
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}
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while (currentNode != null) {
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if (count == index) {
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if (currentNode.nextNode == null) {
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this.prepend(value);
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return;
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} else {
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let nextNode = currentNode;
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previousNode.nextNode = newNode;
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newNode.nextNode = nextNode;
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return;
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}
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}
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previousNode = currentNode;
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currentNode = currentNode.nextNode;
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count += 1;
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}
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}
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removeAt(index) {
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let previousNode = null;
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let currentNode = this.head;
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let count = 0;
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if (index === 0) {
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this.pop();
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return;
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}
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while (currentNode != null) {
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if (count == index) {
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if (currentNode.nextNode == null) {
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previousNode.nextNode = null;
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return;
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} else {
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previousNode.nextNode = currentNode.nextNode;
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return;
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}
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}
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previousNode = currentNode;
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currentNode = currentNode.nextNode;
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count += 1;
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}
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}
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toString() {
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let nodes = [];
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let current = this.head;
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while (current != null) {
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nodes.push(current.value);
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current = current.nextNode;
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}
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console.log(nodes.join(' -> ') + ' -> null');
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}
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remove(value) {
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let count = 0;
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let previousNode = null;
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let currentNode = this.head;
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if (this.head.value === value) {
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this.pop();
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return;
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}
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while (currentNode) {
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if (currentNode.value === value) {
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previousNode.nextNode = currentNode.nextNode;
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return;
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}
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previousNode = currentNode;
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currentNode = currentNode.nextNode;
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}
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}
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}
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class Node {
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constructor(value) {
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this.value = value;
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this.nextNode = null;
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}
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constructor(value) {
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this.value = value;
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this.nextNode = null;
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}
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}
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let list = new LinkedList();
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list.append("test 5");
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list.prepend("test 8");
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list.append("test 1");
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list.append("test 2");
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list.append("test 3");
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list.append("test 4");
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list.prepend("Deez Nuts");
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list.toString();
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console.log(list.find("Deez Nuts"));
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console.log(list.find("test "));
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console.log(list.contains("test 3"));
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console.log(list.size);
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console.log(list.at(1).value);
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console.log("popping last element");
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list.pop();
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list.toString();
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list.insertAt("inserted 3", 3);
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// list.insertAt("inserted 1", 1);
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list.toString();
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list.insertAt("inserted 1", 1);
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list.toString();
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list.removeAt(6);
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console.log("Removing element 6");
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list.toString();
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console.log('removing inserted elements')
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list.removeAt(1);
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list.removeAt(3);
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list.toString();
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console.log("Removing element 1");
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list.removeAt(0);
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list.toString();
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console.log("Removing element Deez Nuts");
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list.removeAt(3);
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list.toString();
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// let list = new LinkedList();
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//
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// list.append('test 5');
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// list.prepend('test 8');
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// list.append('test 1');
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// list.append('test 2');
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// list.append('test 3');
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// list.append('test 4');
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// list.prepend('Deez Nuts');
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// list.toString();
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// console.log(list.find('Deez Nuts'));
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// console.log(list.find('test '));
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// console.log(list.contains('test 3'));
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//
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// console.log(list.size);
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// console.log(list.at(1).value);
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// console.log('popping last element');
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// list.pop();
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// list.toString();
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// list.insertAt('inserted 3', 3);
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// // list.insertAt("inserted 1", 1);
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// list.toString();
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// list.insertAt('inserted 1', 1);
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// list.toString();
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// list.removeAt(6);
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// console.log('Removing element 6');
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// list.toString();
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// console.log('removing inserted elements');
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// list.removeAt(1);
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// list.removeAt(3);
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// list.toString();
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// console.log('Removing element 1');
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// list.removeAt(0);
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// list.toString();
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// console.log('Removing element Deez Nuts');
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// list.removeAt(3);
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// list.toString();
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export { LinkedList };
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1262
csci/package-lock.json
generated
Normal file
1262
csci/package-lock.json
generated
Normal file
File diff suppressed because it is too large
Load diff
17
csci/package.json
Normal file
17
csci/package.json
Normal file
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@ -0,0 +1,17 @@
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{
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"name": "csci",
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"version": "1.0.0",
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"description": "",
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"main": "doublyLinkedList.js",
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"scripts": {
|
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"test": "echo \"Error: no test specified\" && exit 1"
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},
|
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"keywords": [],
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"author": "",
|
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"license": "ISC",
|
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"devDependencies": {
|
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"eslint-config-prettier": "^9.1.0",
|
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"prettier": "3.2.4"
|
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},
|
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"type": "module"
|
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}
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|
|
@ -1,266 +1,266 @@
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// https://github.com/TheOdinProject/curriculum/issues/27103
|
||||
|
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class Node {
|
||||
constructor(key, value) {
|
||||
this.key = key;
|
||||
this.value = value;
|
||||
this.next = null;
|
||||
}
|
||||
constructor(key, value) {
|
||||
this.key = key;
|
||||
this.value = value;
|
||||
this.next = null;
|
||||
}
|
||||
}
|
||||
|
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class LinkedList {
|
||||
constructor() {
|
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this.size = 0;
|
||||
this.head = null;
|
||||
this.tail = null;
|
||||
}
|
||||
|
||||
append(key, value) {
|
||||
let newNode = new Node(key, value);
|
||||
if (this.head == null) {
|
||||
this.head = newNode;
|
||||
} else {
|
||||
const temp = this.head;
|
||||
this.head = newNode;
|
||||
this.head.next = temp;
|
||||
}
|
||||
if (this.tail == null) {
|
||||
this.tail = newNode;
|
||||
}
|
||||
|
||||
this.size += 1;
|
||||
}
|
||||
pop() {
|
||||
if (this.head.next == null) {
|
||||
this.head = null;
|
||||
this.tail = null;
|
||||
} else {
|
||||
this.head = this.head.next;
|
||||
}
|
||||
this.size -= 1;
|
||||
}
|
||||
|
||||
contains(key) {
|
||||
function searchNodes(node, key) {
|
||||
if (node.key === key) {
|
||||
return true;
|
||||
} else if (node.next == null) {
|
||||
return false;
|
||||
} else {
|
||||
return searchNodes(node.next);
|
||||
}
|
||||
}
|
||||
|
||||
return searchNodes(this.head, key);
|
||||
}
|
||||
|
||||
replace(key, value) {
|
||||
function replace(node) {
|
||||
if (node.key === key) {
|
||||
node.value = value;
|
||||
} else {
|
||||
return replace(node.next);
|
||||
}
|
||||
}
|
||||
replace(this.head, key);
|
||||
}
|
||||
|
||||
find(key) {
|
||||
function searchNodes(node, key) {
|
||||
if (node.key === key) {
|
||||
return node.value;
|
||||
} else if (node.next == null) {
|
||||
return null;
|
||||
} else {
|
||||
return searchNodes(node.next, key);
|
||||
}
|
||||
}
|
||||
|
||||
return searchNodes(this.head, key);
|
||||
}
|
||||
remove(key) {
|
||||
let lastNode = this.head;
|
||||
let currentNode = this.head;
|
||||
|
||||
if (currentNode.key === key) {
|
||||
if (currentNode.next == null) {
|
||||
constructor() {
|
||||
this.size = 0;
|
||||
this.head = null;
|
||||
this.tail = null;
|
||||
} else {
|
||||
this.size -= 1;
|
||||
this.head = this.head.next;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
while (currentNode) {
|
||||
if (currentNode.key === key) {
|
||||
lastNode.next = currentNode.next;
|
||||
this.size -= 1;
|
||||
return true;
|
||||
}
|
||||
lastNode = currentNode;
|
||||
currentNode = currentNode.next;
|
||||
append(key, value) {
|
||||
let newNode = new Node(key, value);
|
||||
if (this.head == null) {
|
||||
this.head = newNode;
|
||||
} else {
|
||||
const temp = this.head;
|
||||
this.head = newNode;
|
||||
this.head.next = temp;
|
||||
}
|
||||
if (this.tail == null) {
|
||||
this.tail = newNode;
|
||||
}
|
||||
|
||||
this.size += 1;
|
||||
}
|
||||
pop() {
|
||||
if (this.head.next == null) {
|
||||
this.head = null;
|
||||
this.tail = null;
|
||||
} else {
|
||||
this.head = this.head.next;
|
||||
}
|
||||
this.size -= 1;
|
||||
}
|
||||
|
||||
contains(key) {
|
||||
function searchNodes(node, key) {
|
||||
if (node.key === key) {
|
||||
return true;
|
||||
} else if (node.next == null) {
|
||||
return false;
|
||||
} else {
|
||||
return searchNodes(node.next);
|
||||
}
|
||||
}
|
||||
|
||||
return searchNodes(this.head, key);
|
||||
}
|
||||
|
||||
replace(key, value) {
|
||||
function replace(node) {
|
||||
if (node.key === key) {
|
||||
node.value = value;
|
||||
} else {
|
||||
return replace(node.next);
|
||||
}
|
||||
}
|
||||
replace(this.head, key);
|
||||
}
|
||||
|
||||
find(key) {
|
||||
function searchNodes(node, key) {
|
||||
if (node.key === key) {
|
||||
return node.value;
|
||||
} else if (node.next == null) {
|
||||
return null;
|
||||
} else {
|
||||
return searchNodes(node.next, key);
|
||||
}
|
||||
}
|
||||
|
||||
return searchNodes(this.head, key);
|
||||
}
|
||||
remove(key) {
|
||||
let lastNode = this.head;
|
||||
let currentNode = this.head;
|
||||
|
||||
if (currentNode.key === key) {
|
||||
if (currentNode.next == null) {
|
||||
this.size = 0;
|
||||
this.head = null;
|
||||
this.tail = null;
|
||||
} else {
|
||||
this.size -= 1;
|
||||
this.head = this.head.next;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
while (currentNode) {
|
||||
if (currentNode.key === key) {
|
||||
lastNode.next = currentNode.next;
|
||||
this.size -= 1;
|
||||
return true;
|
||||
}
|
||||
lastNode = currentNode;
|
||||
currentNode = currentNode.next;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
class HashMap {
|
||||
constructor(capacity = 8) {
|
||||
this.initialCapacity = capacity;
|
||||
this.capacity = capacity;
|
||||
this.buckets = Array(capacity);
|
||||
this.capacity = this.buckets.length;
|
||||
this.loadFactor = 0.75;
|
||||
}
|
||||
|
||||
stringToNumber(string) {
|
||||
let hashCode = 0;
|
||||
const primeNumber = 31;
|
||||
|
||||
for (let i = 0; i < string.length; i++) {
|
||||
hashCode = primeNumber * hashCode + string.charCodeAt(i);
|
||||
constructor(capacity = 8) {
|
||||
this.initialCapacity = capacity;
|
||||
this.capacity = capacity;
|
||||
this.buckets = Array(capacity);
|
||||
this.capacity = this.buckets.length;
|
||||
this.loadFactor = 0.75;
|
||||
}
|
||||
|
||||
return hashCode;
|
||||
}
|
||||
stringToNumber(string) {
|
||||
let hashCode = 0;
|
||||
const primeNumber = 31;
|
||||
|
||||
hash(key) {
|
||||
return this.stringToNumber(key);
|
||||
}
|
||||
|
||||
capacityWatcher() {
|
||||
let consumed = this.buckets.filter(Object).length;
|
||||
if (consumed >= this.capacity * this.loadFactor) {
|
||||
this.capacity = Math.round(1.25 * this.capacity);
|
||||
}
|
||||
}
|
||||
|
||||
set(key, value) {
|
||||
let _hash = this.hash(key);
|
||||
let bucketIndex = _hash % this.capacity;
|
||||
this.capacityWatcher();
|
||||
if (this.buckets[bucketIndex] == undefined) {
|
||||
let linkedList = new LinkedList();
|
||||
linkedList.append(key, value);
|
||||
|
||||
this.buckets[bucketIndex] = linkedList;
|
||||
} else {
|
||||
let keyExists = this.buckets[bucketIndex].contains(key);
|
||||
|
||||
if (keyExists) {
|
||||
this.buckets[bucketIndex].replace(key, value);
|
||||
} else {
|
||||
this.buckets[bucketIndex].append(key, value);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
get(key) {
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
let value = this.buckets[i].find(key);
|
||||
if (value) return value;
|
||||
}
|
||||
}
|
||||
}
|
||||
has(key) {
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
let value = this.buckets[i].find(key);
|
||||
if (value) return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
remove(key) {
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
let removed = this.buckets[i].remove(key);
|
||||
if (this.buckets[i].size === 0) this.buckets[i] = undefined;
|
||||
if (removed) return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
length() {
|
||||
let count = 0;
|
||||
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
count += this.buckets[i].size;
|
||||
}
|
||||
}
|
||||
return count;
|
||||
}
|
||||
clear() {
|
||||
this.capacity = this.initialCapacity;
|
||||
this.buckets = Array(this.capacity);
|
||||
}
|
||||
keys() {
|
||||
let _keys = [];
|
||||
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
let currentNode = this.buckets[i].head;
|
||||
while (currentNode) {
|
||||
_keys.push(currentNode.key);
|
||||
currentNode = currentNode.next;
|
||||
for (let i = 0; i < string.length; i++) {
|
||||
hashCode = primeNumber * hashCode + string.charCodeAt(i);
|
||||
}
|
||||
}
|
||||
}
|
||||
return _keys;
|
||||
}
|
||||
values() {
|
||||
let _values = [];
|
||||
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
let currentNode = this.buckets[i].head;
|
||||
while (currentNode) {
|
||||
_values.push(currentNode.value);
|
||||
currentNode = currentNode.next;
|
||||
}
|
||||
}
|
||||
return hashCode;
|
||||
}
|
||||
return _values;
|
||||
}
|
||||
entries() {
|
||||
let _entries = [];
|
||||
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
let currentNode = this.buckets[i].head;
|
||||
while (currentNode) {
|
||||
_entries.push([currentNode.key, currentNode.value]);
|
||||
currentNode = currentNode.next;
|
||||
}
|
||||
}
|
||||
hash(key) {
|
||||
return this.stringToNumber(key);
|
||||
}
|
||||
|
||||
capacityWatcher() {
|
||||
let consumed = this.buckets.filter(Object).length;
|
||||
if (consumed >= this.capacity * this.loadFactor) {
|
||||
this.capacity = Math.round(1.25 * this.capacity);
|
||||
}
|
||||
}
|
||||
|
||||
set(key, value) {
|
||||
let _hash = this.hash(key);
|
||||
let bucketIndex = _hash % this.capacity;
|
||||
this.capacityWatcher();
|
||||
if (this.buckets[bucketIndex] == undefined) {
|
||||
let linkedList = new LinkedList();
|
||||
linkedList.append(key, value);
|
||||
|
||||
this.buckets[bucketIndex] = linkedList;
|
||||
} else {
|
||||
let keyExists = this.buckets[bucketIndex].contains(key);
|
||||
|
||||
if (keyExists) {
|
||||
this.buckets[bucketIndex].replace(key, value);
|
||||
} else {
|
||||
this.buckets[bucketIndex].append(key, value);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
get(key) {
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
let value = this.buckets[i].find(key);
|
||||
if (value) return value;
|
||||
}
|
||||
}
|
||||
}
|
||||
has(key) {
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
let value = this.buckets[i].find(key);
|
||||
if (value) return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
remove(key) {
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
let removed = this.buckets[i].remove(key);
|
||||
if (this.buckets[i].size === 0) this.buckets[i] = undefined;
|
||||
if (removed) return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
length() {
|
||||
let count = 0;
|
||||
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
count += this.buckets[i].size;
|
||||
}
|
||||
}
|
||||
return count;
|
||||
}
|
||||
clear() {
|
||||
this.capacity = this.initialCapacity;
|
||||
this.buckets = Array(this.capacity);
|
||||
}
|
||||
keys() {
|
||||
let _keys = [];
|
||||
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
let currentNode = this.buckets[i].head;
|
||||
while (currentNode) {
|
||||
_keys.push(currentNode.key);
|
||||
currentNode = currentNode.next;
|
||||
}
|
||||
}
|
||||
}
|
||||
return _keys;
|
||||
}
|
||||
values() {
|
||||
let _values = [];
|
||||
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
let currentNode = this.buckets[i].head;
|
||||
while (currentNode) {
|
||||
_values.push(currentNode.value);
|
||||
currentNode = currentNode.next;
|
||||
}
|
||||
}
|
||||
}
|
||||
return _values;
|
||||
}
|
||||
entries() {
|
||||
let _entries = [];
|
||||
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
let currentNode = this.buckets[i].head;
|
||||
while (currentNode) {
|
||||
_entries.push([currentNode.key, currentNode.value]);
|
||||
currentNode = currentNode.next;
|
||||
}
|
||||
}
|
||||
}
|
||||
return _entries;
|
||||
}
|
||||
return _entries;
|
||||
}
|
||||
}
|
||||
|
||||
let t = new HashMap();
|
||||
|
||||
// Starter Data
|
||||
t.set("football", "redskins");
|
||||
t.set("framework", "laptop");
|
||||
t.set("framework 2", "sucks");
|
||||
t.set("deliver", "me");
|
||||
t.set("alpha", "omega");
|
||||
t.set("hello", "world");
|
||||
t.set("hello", "smigs");
|
||||
t.set("helo", "world");
|
||||
t.set("omg kevin that's wild", "world");
|
||||
t.set("mike", "world");
|
||||
t.set("zebra", "zoo");
|
||||
t.set("linux", "tux");
|
||||
t.set("c major", "c e g");
|
||||
t.remove("zebra");
|
||||
t.remove("hello");
|
||||
t.set('football', 'redskins');
|
||||
t.set('framework', 'laptop');
|
||||
t.set('framework 2', 'sucks');
|
||||
t.set('deliver', 'me');
|
||||
t.set('alpha', 'omega');
|
||||
t.set('hello', 'world');
|
||||
t.set('hello', 'smigs');
|
||||
t.set('helo', 'world');
|
||||
t.set("omg kevin that's wild", 'world');
|
||||
t.set('mike', 'world');
|
||||
t.set('zebra', 'zoo');
|
||||
t.set('linux', 'tux');
|
||||
t.set('c major', 'c e g');
|
||||
t.remove('zebra');
|
||||
t.remove('hello');
|
||||
console.log(t.length());
|
||||
// Print the Keys
|
||||
console.log(t.keys());
|
||||
|
|
@ -271,57 +271,57 @@ console.log(t.entries());
|
|||
|
||||
// clear the hashmap
|
||||
t.clear();
|
||||
console.log("Stuff was cleared");
|
||||
console.log("new data set");
|
||||
t.set("football", "redskins");
|
||||
t.set("framework", "laptop");
|
||||
t.set("framework 2", "sucks");
|
||||
t.set("deliver", "me");
|
||||
t.set("alpha", "omega");
|
||||
t.set("hello", "world");
|
||||
t.set("hello", "smigs");
|
||||
t.set("helo", "world");
|
||||
t.set("omg kevin that's wild", "world");
|
||||
t.set("mike", "world");
|
||||
t.set("zebra", "zoo");
|
||||
t.set("linux", "tux");
|
||||
t.set("c major", "c e g");
|
||||
t.set("user_role", "DevOps Engineer");
|
||||
t.set("interests", "Blogging, Influencing, Stocks, Generating Income");
|
||||
t.set("goals", "Build following / grow community, Learn and grow, Technology");
|
||||
t.set("preferred_name", "Smig");
|
||||
t.set("data_request", "Create key value pairs for an arbitrary data set");
|
||||
t.set("format", "t.set('key', 'value')");
|
||||
t.set("entries", "30");
|
||||
t.set("entry_1", "value_1");
|
||||
t.set("entry_2", "value_2");
|
||||
t.set("entry_3", "value_3");
|
||||
t.set("entry_4", "value_4");
|
||||
t.set("entry_5", "value_5");
|
||||
t.set("entry_6", "value_6");
|
||||
t.set("entry_7", "value_7");
|
||||
t.set("entry_8", "value_8");
|
||||
t.set("entry_9", "value_9");
|
||||
t.set("entry_10", "value_10");
|
||||
t.set("entry_11", "value_11");
|
||||
t.set("entry_12", "value_12");
|
||||
t.set("entry_13", "value_13");
|
||||
t.set("entry_14", "value_14");
|
||||
t.set("entry_15", "value_15");
|
||||
t.set("entry_16", "value_16");
|
||||
t.set("entry_17", "value_17");
|
||||
t.set("entry_18", "value_18");
|
||||
t.set("entry_19", "value_19");
|
||||
t.set("entry_20", "value_20");
|
||||
t.set("entry_21", "value_21");
|
||||
t.set("entry_22", "value_22");
|
||||
t.set("entry_23", "value_23");
|
||||
t.set("entry_24", "value_24");
|
||||
t.set("entry_25", "value_25");
|
||||
t.set("entry_26", "value_26");
|
||||
t.set("entry_27", "value_27");
|
||||
t.set("entry_28", "value_28");
|
||||
t.set("entry_29", "value_29");
|
||||
t.set("entry_30", "value_30");
|
||||
console.log('Stuff was cleared');
|
||||
console.log('new data set');
|
||||
t.set('football', 'redskins');
|
||||
t.set('framework', 'laptop');
|
||||
t.set('framework 2', 'sucks');
|
||||
t.set('deliver', 'me');
|
||||
t.set('alpha', 'omega');
|
||||
t.set('hello', 'world');
|
||||
t.set('hello', 'smigs');
|
||||
t.set('helo', 'world');
|
||||
t.set("omg kevin that's wild", 'world');
|
||||
t.set('mike', 'world');
|
||||
t.set('zebra', 'zoo');
|
||||
t.set('linux', 'tux');
|
||||
t.set('c major', 'c e g');
|
||||
t.set('user_role', 'DevOps Engineer');
|
||||
t.set('interests', 'Blogging, Influencing, Stocks, Generating Income');
|
||||
t.set('goals', 'Build following / grow community, Learn and grow, Technology');
|
||||
t.set('preferred_name', 'Smig');
|
||||
t.set('data_request', 'Create key value pairs for an arbitrary data set');
|
||||
t.set('format', "t.set('key', 'value')");
|
||||
t.set('entries', '30');
|
||||
t.set('entry_1', 'value_1');
|
||||
t.set('entry_2', 'value_2');
|
||||
t.set('entry_3', 'value_3');
|
||||
t.set('entry_4', 'value_4');
|
||||
t.set('entry_5', 'value_5');
|
||||
t.set('entry_6', 'value_6');
|
||||
t.set('entry_7', 'value_7');
|
||||
t.set('entry_8', 'value_8');
|
||||
t.set('entry_9', 'value_9');
|
||||
t.set('entry_10', 'value_10');
|
||||
t.set('entry_11', 'value_11');
|
||||
t.set('entry_12', 'value_12');
|
||||
t.set('entry_13', 'value_13');
|
||||
t.set('entry_14', 'value_14');
|
||||
t.set('entry_15', 'value_15');
|
||||
t.set('entry_16', 'value_16');
|
||||
t.set('entry_17', 'value_17');
|
||||
t.set('entry_18', 'value_18');
|
||||
t.set('entry_19', 'value_19');
|
||||
t.set('entry_20', 'value_20');
|
||||
t.set('entry_21', 'value_21');
|
||||
t.set('entry_22', 'value_22');
|
||||
t.set('entry_23', 'value_23');
|
||||
t.set('entry_24', 'value_24');
|
||||
t.set('entry_25', 'value_25');
|
||||
t.set('entry_26', 'value_26');
|
||||
t.set('entry_27', 'value_27');
|
||||
t.set('entry_28', 'value_28');
|
||||
t.set('entry_29', 'value_29');
|
||||
t.set('entry_30', 'value_30');
|
||||
console.log(t.keys());
|
||||
console.log(t.entries());
|
||||
|
|
|
|||
116
csci/projectHashSet.js
Normal file
116
csci/projectHashSet.js
Normal file
|
|
@ -0,0 +1,116 @@
|
|||
// import { LinkedList } from './linkedList';
|
||||
import { LinkedList } from './linkedList.js';
|
||||
|
||||
class HashSet {
|
||||
constructor(capacity = 8) {
|
||||
this.initialCapacity = capacity;
|
||||
this.capacity = capacity;
|
||||
this.buckets = Array(capacity);
|
||||
this.capacity = this.buckets.length;
|
||||
this.loadFactor = 0.75;
|
||||
}
|
||||
|
||||
stringToNumber(string) {
|
||||
let hashCode = 0;
|
||||
const primeNumber = 31;
|
||||
|
||||
for (let i = 0; i < string.length; i++) {
|
||||
hashCode = primeNumber * hashCode + string.charCodeAt(i);
|
||||
}
|
||||
|
||||
return hashCode;
|
||||
}
|
||||
|
||||
hash(key) {
|
||||
return this.stringToNumber(key);
|
||||
}
|
||||
|
||||
capacityWatcher() {
|
||||
let consumed = this.buckets.filter(Object).length;
|
||||
if (consumed >= this.capacity * this.loadFactor) {
|
||||
this.capacity = Math.round(1.25 * this.capacity);
|
||||
}
|
||||
}
|
||||
|
||||
set(key) {
|
||||
let _hash = this.hash(key);
|
||||
let bucketIndex = _hash % this.capacity;
|
||||
this.capacityWatcher();
|
||||
if (this.buckets[bucketIndex] == undefined) {
|
||||
let linkedList = new LinkedList();
|
||||
linkedList.append(key);
|
||||
|
||||
this.buckets[bucketIndex] = linkedList;
|
||||
} else {
|
||||
let keyExists = this.buckets[bucketIndex].contains(key);
|
||||
|
||||
if (keyExists) {
|
||||
return;
|
||||
} else {
|
||||
this.buckets[bucketIndex].append(key);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
get(key) {
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
let value = this.buckets[i].find(key);
|
||||
if (value) return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
remove(key) {
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
let removed = this.buckets[i].remove(key);
|
||||
if (this.buckets[i].size === 0) this.buckets[i] = undefined;
|
||||
if (removed) return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
length() {
|
||||
let count = 0;
|
||||
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
count += this.buckets[i].size;
|
||||
}
|
||||
}
|
||||
return count;
|
||||
}
|
||||
clear() {
|
||||
this.capacity = this.initialCapacity;
|
||||
this.buckets = Array(this.capacity);
|
||||
}
|
||||
keys() {
|
||||
let _keys = [];
|
||||
|
||||
for (let i = 0; i < this.buckets.length; i++) {
|
||||
if (this.buckets[i]) {
|
||||
let currentNode = this.buckets[i].head;
|
||||
while (currentNode) {
|
||||
_keys.push(currentNode.value);
|
||||
currentNode = currentNode.nextNode;
|
||||
}
|
||||
}
|
||||
}
|
||||
return _keys;
|
||||
}
|
||||
}
|
||||
|
||||
const _set = new HashSet();
|
||||
_set.set('test');
|
||||
_set.set('test');
|
||||
_set.set('hello');
|
||||
_set.set('deeeez');
|
||||
_set.set('deeez');
|
||||
_set.set('deez');
|
||||
_set.set('dez');
|
||||
_set.set('trueskii');
|
||||
_set.set('mike');
|
||||
console.log(_set.keys());
|
||||
_set.remove('test');
|
||||
console.log(_set.buckets);
|
||||
Loading…
Reference in a new issue