mirror of
https://github.moeyy.xyz/https://github.com/trekhleb/javascript-algorithms.git
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Merge 261fd8c4ae
into 9046d80bdb
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commit
939951c618
@ -7,7 +7,7 @@
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class MaxHeapAdhoc {
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constructor(heap = []) {
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this.heap = [];
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heap.forEach(this.add);
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heap.forEach((value) => this.add(value));
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}
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add(num) {
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@ -7,7 +7,7 @@
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class MinHeapAdhoc {
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constructor(heap = []) {
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this.heap = [];
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heap.forEach(this.add);
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heap.forEach((value) => this.add(value));
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}
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add(num) {
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@ -1,8 +1,8 @@
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import MaxHeap from '../MaxHeapAdhoc';
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import MaxHeapAdhoc from '../MaxHeapAdhoc';
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describe('MaxHeapAdhoc', () => {
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it('should create an empty max heap', () => {
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const maxHeap = new MaxHeap();
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const maxHeap = new MaxHeapAdhoc();
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expect(maxHeap).toBeDefined();
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expect(maxHeap.peek()).toBe(undefined);
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@ -10,7 +10,7 @@ describe('MaxHeapAdhoc', () => {
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});
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it('should add items to the heap and heapify it up', () => {
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const maxHeap = new MaxHeap();
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const maxHeap = new MaxHeapAdhoc();
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maxHeap.add(5);
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expect(maxHeap.isEmpty()).toBe(false);
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@ -44,7 +44,7 @@ describe('MaxHeapAdhoc', () => {
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});
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it('should poll items from the heap and heapify it down', () => {
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const maxHeap = new MaxHeap();
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const maxHeap = new MaxHeapAdhoc();
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maxHeap.add(5);
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maxHeap.add(3);
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@ -74,7 +74,7 @@ describe('MaxHeapAdhoc', () => {
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});
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it('should heapify down through the right branch as well', () => {
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const maxHeap = new MaxHeap();
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const maxHeap = new MaxHeapAdhoc();
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maxHeap.add(3);
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maxHeap.add(12);
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@ -88,4 +88,12 @@ describe('MaxHeapAdhoc', () => {
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expect(maxHeap.poll()).toBe(12);
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expect(maxHeap.toString()).toBe('11,3,10');
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});
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it('should create the max heap filled', () => {
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const maxHeap = new MaxHeapAdhoc([3, 12, 10]);
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expect(maxHeap).toBeDefined();
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expect(maxHeap.peek()).toBe(12);
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expect(maxHeap.isEmpty()).toBe(false);
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});
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});
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@ -88,4 +88,12 @@ describe('MinHeapAdhoc', () => {
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expect(minHeap.poll()).toBe(3);
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expect(minHeap.toString()).toBe('10,11,12');
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});
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it('should create the min heap filled', () => {
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const minHeap = new MinHeapAdhoc([3, 12, 10]);
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expect(minHeap).toBeDefined();
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expect(minHeap.peek()).toBe(3);
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expect(minHeap.isEmpty()).toBe(false);
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});
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});
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