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| const arr1 = [1, 3, 5, 7, 11, 17, 21]; | |
| const arr2 = [-1, 0, 2, 3, 9, 11, 29]; | |
| function intersection(arr1, arr2) { | |
| let result = []; | |
| let p1 = 0, p2 = 0; | |
| while((p1 < arr1.length) && (p2 < arr2.length)) { | |
| if (arr1[p1] == arr2[p2]) { |
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| function stockSpan(array) { | |
| let answer = []; | |
| array.forEach((stock, index) => { | |
| let count = 1; | |
| for(let i = index - 1; (i >= 0) && (array[i] <= stock); i--) { | |
| count++; | |
| } |
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| // a + b * c + d | |
| // a b c * + d + | |
| // a + b * c + d | |
| // a b c * + d + | |
| function infixToPostfix(input) { |
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| class BNode { | |
| constructor (value) { | |
| this.data = value; | |
| this.left = null; | |
| this.right = null; | |
| } | |
| search(values) { | |
| let c = values.indexOf(this.data) >=0 ? 1 : 0; |
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| class BNode { | |
| constructor (value) { | |
| this.data = value; | |
| this.left = null; | |
| this.right = null; | |
| } | |
| search(values) { | |
| let c = values.indexOf(this.data) >=0 ? 1 : 0; |
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| class Node { | |
| constructor(value) { | |
| this.value = value; | |
| this.children = []; | |
| } | |
| add(child) { | |
| this.children.push(child); | |
| } |
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| class Node { | |
| constructor(value) { | |
| this.value = value; | |
| this.children = []; | |
| } | |
| add(child) { | |
| this.children.push(child); | |
| } |
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| class Node { | |
| constructor(value) { | |
| this.value = value; | |
| this.children = []; | |
| } | |
| add(child) { | |
| this.children.push(child); | |
| } |
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| class TrieNode { | |
| constructor (value, note="") { | |
| this.value = value; | |
| this.note = note; | |
| this.children = new Array(26); | |
| } | |
| addChildNode (char, value=null) { | |
| let index = char.charCodeAt(0) - 97; | |
| this.children[index] = this.children[index] || new TrieNode(null, char); |
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| function traverse(node, level=0) { | |
| let indent = ""; | |
| for (let i = 0; i < level; i++) { | |
| indent += "*"; | |
| } | |
| console.log(`${indent}${node.nodeName}`); | |
| if (node.childNodes.length > 0 ){ | |
| node.childNodes.forEach(traverse, level+1); | |
| } | |
| } |