Dmitry Belyavtsev vk26
vk26
/ valid_brackets.rb
Created
November 17, 2017 14:26
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| def valid_brackets?(brackets_string) | |
| stack = [] | |
| matcher = { ')' => '(', '}' => '{' } | |
| brackets_string.chars.each do |el| | |
| if matcher.values.include? el | |
| stack.push el | |
| elsif stack.last == matcher[el] | |
| stack.pop | |
| else | |
| return false |
vk26
/ search_missing_values.rb
Last active
September 15, 2015 14:23
Поиск 2 пропущенных элементов отсортированного массива. Двумя способами: через бинарный поиск и через побитовые операции.
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| require 'byebug' | |
| require 'wrong/assert' | |
| require "benchmark/ips" | |
| include Wrong::Assert | |
| module Search | |
| def get_bit(num, bit = 1) | |
| unless num & bit == 0 | |
| return bit | |
| else |