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| class MinHeap | |
| def initialize(elements = []) | |
| @heap = [] | |
| elements.each(&method(:push)) | |
| end | |
| # `push` adds an element to the Min heap | |
| def push(element) | |
| heap << element | |
| rebalance_push(heap.size - 1) |
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| require 'concurrent' | |
| require 'benchmark' | |
| class Request | |
| class << self | |
| def make(num) | |
| @body = Faraday.get("https://jsonplaceholder.typicode.com/todos/#{num}").body | |
| self | |
| end |
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| class Ant | |
| DIRECTIONS = [[1,0], [0,1], [-1,0], [0,-1]] # [0]:right, [1]:bottom, [2]:left, [3]:top | |
| def in_border? | |
| (0 <= @position_x && @position_x < @size_x) && (0 <= @position_y && @position_y < @size_y) | |
| end | |
| def initialize(size, turns, middle = size/2) | |
| @matrix = Array.new(size) { Array.new(size, 'W') } |
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| def top_k_words(str, n) | |
| return [] if n < 0 | |
| str = str.downcase.scan(/[\w']+/) | |
| occurances = Hash.new | |
| str.each do |word| | |
| if occurances[word] | |
| occurances[word] += 1 |
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| def calculate_time(customers_in_line, barbers_speed) | |
| customers_queue = Queue.new | |
| customers_in_line.times { |i| customers_queue << i } | |
| required_time = 0 | |
| barbers_progress = {} | |
| barbers_speed.sort.each.with_index do |speed, idx| | |
| customers_queue.pop(true) | |
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| require 'date' | |
| # task input | |
| input = [['10:00', '10:20'], | |
| ['10:40', '11:00'], | |
| ['10:50', '12:00'], | |
| ['12:00', '13:00'], | |
| ['10:00', '10:20']] | |
| class TimeConverter |