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[BinaryTree] isMergeDuplicatedNodeById removed, [MapGraph] MapGraph added

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Revone 2023-09-07 21:00:22 +08:00
parent f3b2398d20
commit 26ab0be17b
12 changed files with 112 additions and 122 deletions
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21
LICENSE
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@ -0,0 +1,21 @@
MIT License
Copyright (c) 2022 Tyler Zeng <zrwusa@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

132
src/data-structures/binary-tree/abstract-binary-tree.ts
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@ -141,15 +141,8 @@ export abstract class AbstractBinaryTree<N extends AbstractBinaryTreeNode<N['val
*/
protected constructor(options?: AbstractBinaryTreeOptions) {
if (options !== undefined) {
const {
loopType = LoopType.ITERATIVE,
isMergeDuplicatedNodeById = true
} = options;
this._isMergeDuplicatedNodeById = isMergeDuplicatedNodeById;
const {loopType = LoopType.ITERATIVE} = options;
this._loopType = loopType;
} else {
this._isMergeDuplicatedNodeById = true;
this._loopType = LoopType.ITERATIVE;
}
this.clear();
}
@ -172,13 +165,6 @@ export abstract class AbstractBinaryTree<N extends AbstractBinaryTreeNode<N['val
return this._loopType;
}
// TODO this variable may be moved to TreeMultiset
private _isMergeDuplicatedNodeById: boolean = true;
get isMergeDuplicatedNodeById(): boolean {
return this._isMergeDuplicatedNodeById;
}
private _visitedId: BinaryTreeNodeId[] = [];
get visitedId(): BinaryTreeNodeId[] {
@ -268,7 +254,8 @@ export abstract class AbstractBinaryTree<N extends AbstractBinaryTreeNode<N['val
while (queue.length > 0) {
const cur = queue.shift();
if (cur) {
const inserted = this.addTo(newNode, cur);
if (newNode && cur.id === newNode.id) return;
const inserted = this._addTo(newNode, cur);
if (inserted !== undefined) return inserted;
if (cur.left) queue.push(cur.left);
if (cur.right) queue.push(cur.right);
@ -310,39 +297,6 @@ export abstract class AbstractBinaryTree<N extends AbstractBinaryTreeNode<N['val
return inserted;
}
/**
* The function adds a new node to the left or right child of a parent node, updating the size of the tree if
* necessary.
* @param {N | null} newNode - The `newNode` parameter represents the node that you want to add to the tree. It can be
* either a node object (`N`) or `null`.
* @param {N} parent - The `parent` parameter represents the parent node to which the new node will be added as a
* child.
* @returns either the left child node, the right child node, or undefined.
*/
addTo(newNode: N | null, parent: N): N | null | undefined {
if (parent) {
// When all leaf nodes are null, it will no longer be possible to add new entity nodes to this binary tree.
// In this scenario, null nodes serve as "sentinel nodes," "virtual nodes," or "placeholder nodes."
if (parent.left === undefined) {
parent.left = newNode;
if (newNode) {
this._setSize(this.size + 1);
}
return parent.left;
} else if (parent.right === undefined) {
parent.right = newNode;
if (newNode) {
this._setSize(this.size + 1);
}
return parent.right;
} else {
return;
}
} else {
return;
}
}
/**
* The `addMany` function adds multiple nodes to a tree data structure and returns an array of the inserted nodes or
* null/undefined values.
@ -357,31 +311,27 @@ export abstract class AbstractBinaryTree<N extends AbstractBinaryTreeNode<N['val
const inserted: (N | null | undefined)[] = [];
const map: Map<N | BinaryTreeNodeId | null, number> = new Map();
if (this.isMergeDuplicatedNodeById) {
for (const idOrNode of idsOrNodes) map.set(idOrNode, (map.get(idOrNode) ?? 0) + 1);
}
for (const idOrNode of idsOrNodes) map.set(idOrNode, (map.get(idOrNode) ?? 0) + 1);
for (let i = 0; i < idsOrNodes.length; i++) {
const idOrNode = idsOrNodes[i];
if (idOrNode instanceof AbstractBinaryTreeNode) {
inserted.push(this.add(idOrNode.id, idOrNode.val));
continue;
}
if (idOrNode === null) {
inserted.push(this.add(null));
continue;
}
const val = data?.[i];
if (this.isMergeDuplicatedNodeById) {
if (map.has(idOrNode)) {
inserted.push(this.add(idOrNode, val));
map.delete(idOrNode);
if (map.has(idOrNode)) {
if (idOrNode instanceof AbstractBinaryTreeNode) {
inserted.push(this.add(idOrNode.id, idOrNode.val));
continue;
}
} else {
if (idOrNode === null) {
inserted.push(this.add(null));
continue;
}
const val = data?.[i];
inserted.push(this.add(idOrNode, val));
map.delete(idOrNode);
}
}
return inserted;
}
@ -1001,11 +951,11 @@ export abstract class AbstractBinaryTree<N extends AbstractBinaryTreeNode<N['val
return this._getResultByPropertyName(nodeOrPropertyName);
}
DFSIterative(): BinaryTreeNodeId[];
// --- start additional methods ---
DFSIterative(): BinaryTreeNodeId[];
DFSIterative(pattern?: DFSOrderPattern, nodeOrPropertyName?: 'id'): BinaryTreeNodeId[];
DFSIterative(pattern?: DFSOrderPattern, nodeOrPropertyName?: 'val'): N[];
@ -1304,6 +1254,40 @@ export abstract class AbstractBinaryTree<N extends AbstractBinaryTreeNode<N['val
return this._getResultByPropertyName(nodeOrPropertyName);
}
/**
* The function adds a new node to a binary tree if there is an available position.
* @param {N | null} newNode - The `newNode` parameter is of type `N | null`, which means it can either be a node of
* type `N` or `null`. It represents the node that you want to add to the binary tree.
* @param {N} parent - The parent parameter is of type N, which represents a node in a binary tree.
* @returns either the left or right child node of the parent node, depending on which child is available for adding
* the new node. If a new node is added, the function also updates the size of the binary tree. If neither the left nor
* right child is available, the function returns undefined. If the parent node is null, the function also returns
* undefined.
*/
protected _addTo(newNode: N | null, parent: N): N | null | undefined {
if (parent) {
// When all leaf nodes are null, it will no longer be possible to add new entity nodes to this binary tree.
// In this scenario, null nodes serve as "sentinel nodes," "virtual nodes," or "placeholder nodes."
if (parent.left === undefined) {
parent.left = newNode;
if (newNode) {
this._setSize(this.size + 1);
}
return parent.left;
} else if (parent.right === undefined) {
parent.right = newNode;
if (newNode) {
this._setSize(this.size + 1);
}
return parent.right;
} else {
return;
}
} else {
return;
}
}
/**
* The function sets the loop type for a protected variable.
* @param {LoopType} value - The value parameter is of type LoopType.
@ -1344,14 +1328,6 @@ export abstract class AbstractBinaryTree<N extends AbstractBinaryTreeNode<N['val
this._visitedLeftSum = value;
}
/**
* The function sets the value of a protected property called "_isMergeDuplicatedNodeById".
* @param {boolean} value - The value parameter is a boolean value that determines whether the isMergeDuplicatedNodeById
* property should be set to true or false.
*/
protected _setIsDuplicatedVal(value: boolean) {
this._isMergeDuplicatedNodeById = value;
}
/**
* The function sets the root property of an object to a given value, and if the value is not null, it also sets the

50
src/data-structures/binary-tree/tree-multiset.ts
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@ -50,7 +50,7 @@ export class TreeMultiset<N extends TreeMultisetNode<N['val'], N> = TreeMultiset
* TreeMultiset.
*/
constructor(options?: TreeMultisetOptions) {
super({...options, isMergeDuplicatedNodeById: true});
super({...options});
}
private _count = 0;
@ -178,15 +178,15 @@ export class TreeMultiset<N extends TreeMultisetNode<N['val'], N> = TreeMultiset
}
/**
* The function adds a new node to a binary tree as the left or right child of a given parent node.
* @param {N | null} newNode - The `newNode` parameter represents the node that you want to add to the tree. It can be
* either a node object (`N`) or `null`.
* The function adds a new node to a binary tree if there is an available slot on the left or right side of the parent
* node.
* @param {N | null} newNode - The `newNode` parameter represents the node that needs to be added to the tree. It can
* be either a node object (`N`) or `null`.
* @param {N} parent - The `parent` parameter represents the parent node to which the new node will be added as a
* child.
* @returns either the left or right child node that was added to the parent node. It can also return `null` or
* `undefined` in certain cases.
* @returns The method returns either the `parent.left`, `parent.right`, or `undefined`.
*/
override addTo(newNode: N | null, parent: N): N | null | undefined {
override _addTo(newNode: N | null, parent: N): N | null | undefined {
if (parent) {
if (parent.left === undefined) {
parent.left = newNode;
@ -225,32 +225,28 @@ export class TreeMultiset<N extends TreeMultisetNode<N['val'], N> = TreeMultiset
const inserted: (N | null | undefined)[] = [];
const map: Map<N | BinaryTreeNodeId, number> = new Map();
if (this.isMergeDuplicatedNodeById) {
for (const idOrNode of idsOrNodes) map.set(idOrNode, (map.get(idOrNode) ?? 0) + 1);
}
for (const idOrNode of idsOrNodes) map.set(idOrNode, (map.get(idOrNode) ?? 0) + 1);
for (let i = 0; i < idsOrNodes.length; i++) {
const idOrNode = idsOrNodes[i];
if (idOrNode instanceof TreeMultisetNode) {
inserted.push(this.add(idOrNode.id, idOrNode.val, idOrNode.count));
continue;
}
if (map.has(idOrNode)) {
if (idOrNode === null) {
inserted.push(this.add(NaN, null, 0));
continue;
}
const count = this.isMergeDuplicatedNodeById ? map.get(idOrNode) : 1;
const val = data?.[i];
if (this.isMergeDuplicatedNodeById) {
if (map.has(idOrNode)) {
inserted.push(this.add(idOrNode, val, count));
map.delete(idOrNode);
if (idOrNode instanceof TreeMultisetNode) {
inserted.push(this.add(idOrNode.id, idOrNode.val, idOrNode.count));
continue;
}
} else {
inserted.push(this.add(idOrNode, val, 1));
if (idOrNode === null) {
inserted.push(this.add(NaN, null, 0));
continue;
}
const val = data?.[i], count = map.get(idOrNode);
inserted.push(this.add(idOrNode, val, count));
map.delete(idOrNode);
}
}
return inserted;
}

15
src/data-structures/graph/abstract-graph.ts
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@ -10,7 +10,7 @@ import {PriorityQueue} from '../priority-queue';
import type {DijkstraResult, VertexId} from '../types';
import {IAbstractGraph} from '../interfaces';
export abstract class AbstractVertex<T = number> {
export abstract class AbstractVertex<T = any> {
/**
* The function is a protected constructor that takes an id and an optional value as parameters.
@ -45,7 +45,7 @@ export abstract class AbstractVertex<T = number> {
}
}
export abstract class AbstractEdge<T = number> {
export abstract class AbstractEdge<T = any> {
/**
* The above function is a protected constructor that initializes the weight, value, and hash code properties of an
@ -103,7 +103,7 @@ export abstract class AbstractEdge<T = number> {
}
}
export abstract class AbstractGraph<V extends AbstractVertex<any>, E extends AbstractEdge<any>> implements IAbstractGraph<V, E> {
export abstract class AbstractGraph<V extends AbstractVertex<any> = AbstractVertex<any>, E extends AbstractEdge<any> = AbstractEdge<any>> implements IAbstractGraph<V, E> {
private _vertices: Map<VertexId, V> = new Map<VertexId, V>();
get vertices(): Map<VertexId, V> {
@ -604,9 +604,7 @@ export abstract class AbstractGraph<V extends AbstractVertex<any>, E extends Abs
const srcVertex = this._getVertex(src);
const destVertex = dest ? this._getVertex(dest) : null;
if (!srcVertex) {
return null;
}
if (!srcVertex) return null;
for (const vertex of vertices) {
const vertexOrId = vertex[1];
@ -619,6 +617,11 @@ export abstract class AbstractGraph<V extends AbstractVertex<any>, E extends Abs
distMap.set(srcVertex, 0);
preMap.set(srcVertex, null);
/**
* The function `getPaths` retrieves all paths from vertices to a specified minimum vertex.
* @param {V | null} minV - The parameter `minV` is of type `V | null`. It represents the minimum vertex value or
* null.
*/
const getPaths = (minV: V | null) => {
for (const vertex of vertices) {
const vertexOrId = vertex[1];

1
src/data-structures/graph/index.ts
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@ -1,3 +1,4 @@
export * from './abstract-graph';
export * from './directed-graph';
export * from './undirected-graph';
export * from './map-graph';

4
src/data-structures/interfaces/abstract-binary-tree.ts
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@ -53,8 +53,6 @@ export interface IAbstractBinaryTree<N extends AbstractBinaryTreeNode<N['val'],
get visitedLeftSum(): number[]
get isMergeDuplicatedNodeById(): boolean
get root(): N | null
get size(): number
@ -67,8 +65,6 @@ export interface IAbstractBinaryTree<N extends AbstractBinaryTreeNode<N['val'],
add(id: BinaryTreeNodeId | N, val?: N['val']): N | null | undefined
addTo(newNode: N | null, parent: N): N | null | undefined
addMany(idsOrNodes: (BinaryTreeNodeId | N | null)[], data?: N['val'][]): (N | null | undefined)[]
fill(idsOrNodes: (BinaryTreeNodeId | N | null)[], data?: N[] | Array<N['val']>): boolean

1
src/data-structures/interfaces/tree-multiset.ts
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@ -8,5 +8,4 @@ export interface ITreeMultisetNode<T, NEIGHBOR extends ITreeMultisetNode<T, NEIG
export interface ITreeMultiset<N extends TreeMultisetNode<N['val'], N>> extends IAVLTree<N> {
}

2
src/data-structures/tree/tree.ts
View file

@ -1,4 +1,4 @@
export class TreeNode<T = number> {
export class TreeNode<T = any> {
constructor(id: string, value?: T, children?: TreeNode<T>[]) {
this._id = id;
this._value = value || undefined;

1
src/data-structures/types/abstract-binary-tree.ts
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@ -37,5 +37,4 @@ export type AbstractBinaryTreeNodeNested<T> = AbstractBinaryTreeNode<T, Abstract
export type AbstractBinaryTreeOptions = {
loopType?: LoopType,
isMergeDuplicatedNodeById?: boolean
}

2
src/data-structures/types/abstract-graph.ts
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@ -1,5 +1,5 @@
export type VertexId = string | number;
export type EdgeId = string;
export type DijkstraResult<V> =
{ distMap: Map<V, number>, preMap: Map<V, V | null>, seen: Set<V>, paths: V[][], minDist: number, minPath: V[] }
{ distMap: Map<V, number>, distPaths?: Map<V, V[]> ,preMap: Map<V, V | null>, seen: Set<V>, paths: V[][], minDist: number, minPath: V[] }
| null;

1
src/data-structures/types/index.ts
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@ -4,6 +4,7 @@ export * from './avl-tree';
export * from './segment-tree';
export * from './tree-multiset';
export * from './abstract-graph';
export * from './map-graph';
export * from './abstract-binary-tree';
export * from './rb-tree';
export * from './directed-graph';

4
src/data-structures/types/tree-multiset.ts
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@ -3,6 +3,4 @@ import {AVLTreeOptions} from './avl-tree';
export type TreeMultisetNodeNested<T> = TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, TreeMultisetNode<T, any>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
export type TreeMultisetOptions = Omit<AVLTreeOptions, 'isMergeDuplicatedNodeById'> & {
isMergeDuplicatedNodeById: true,
}
export type TreeMultisetOptions = Omit<AVLTreeOptions, 'isMergeDuplicatedNodeById'> & {}