• Feb 6, 2021 •LeifMessinger
0 likes • 3 views
class SequentialQueue{ //if you want it to go backwards, too bad next(){ return this.i++; } constructor(start = 0){ this.i = start; } } const que = new SequentialQueue(0); for(let i = 0; i < 10; i++){ console.log(que.next()); }
• Nov 19, 2022 •CodeCatch
const celsiusToFahrenheit = (celsius) => celsius * 9/5 + 32; const fahrenheitToCelsius = (fahrenheit) => (fahrenheit - 32) * 5/9; // Examples celsiusToFahrenheit(15); // 59 celsiusToFahrenheit(0); // 32 celsiusToFahrenheit(-20); // -4 fahrenheitToCelsius(59); // 15 fahrenheitToCelsius(32); // 0
• Jan 26, 2023 •AustinLeath
0 likes • 7 views
function printHeap(heap, index, level) { if (index >= heap.length) { return; } console.log(" ".repeat(level) + heap[index]); printHeap(heap, 2 * index + 1, level + 1); printHeap(heap, 2 * index + 2, level + 1); } //You can call this function by passing in the heap array and the index of the root node, which is typically 0, and level = 0. let heap = [3, 8, 7, 15, 17, 30, 35, 2, 4, 5, 9]; printHeap(heap,0,0)
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const quickSort = arr => { const a = [...arr]; if (a.length < 2) return a; const pivotIndex = Math.floor(arr.length / 2); const pivot = a[pivotIndex]; const [lo, hi] = a.reduce( (acc, val, i) => { if (val < pivot || (val === pivot && i != pivotIndex)) { acc[0].push(val); } else if (val > pivot) { acc[1].push(val); } return acc; }, [[], []] ); return [...quickSort(lo), pivot, ...quickSort(hi)]; }; quickSort([1, 6, 1, 5, 3, 2, 1, 4]); // [1, 1, 1, 2, 3, 4, 5, 6]
• Oct 29, 2020 •LeifMessinger
0 likes • 5 views
questions = Array.from(document.querySelectorAll(".multiple-choice-question")); async function hackRadio(question){ if(question.querySelector(".question-chevron").getAttribute("aria-label") == "Question completed") return; let answerChoices = question.querySelectorAll(".zb-radio-button"); async function guess(answerChoice){ answerChoice.querySelector("label").click(); } let pause = 0; for(let answerChoice of answerChoices){ setTimeout(()=>{guess(answerChoice)},pause); //No need to check given that it will record the correct answer anyways. pause += 1000; } } for(let question of questions){ hackRadio(question); } questions = Array.from(document.querySelectorAll(".short-answer-question")); async function hackShortAnswer(question){ if(question.querySelector(".question-chevron").getAttribute("aria-label") == "Question completed") return; question.querySelector("textarea").value = question.querySelector(".forfeit-answer").textContent; //question.querySelector(".check-button").click(); They are smart bastards } for(let question of questions){ const showAnswerButton = question.querySelector(".show-answer-button"); showAnswerButton.click(); showAnswerButton.click(); hackShortAnswer(question); }
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const bucketSort = (arr, size = 5) => { const min = Math.min(...arr); const max = Math.max(...arr); const buckets = Array.from( { length: Math.floor((max - min) / size) + 1 }, () => [] ); arr.forEach(val => { buckets[Math.floor((val - min) / size)].push(val); }); return buckets.reduce((acc, b) => [...acc, ...b.sort((a, b) => a - b)], []); }; bucketSort([6, 3, 4, 1]); // [1, 3, 4, 6]