{"action":"created","comment":{"url":"https://api.github.com/repos/rubyroidlabs/bsuir-courses/pulls/comments/84414830","pull_request_review_id":5195245,"id":84414830,"diff_hunk":"@@ -0,0 +1,80 @@\n+NUM_REGEX = /[-+]?[0-9]*\\.?[0-9]+(?:[eE][-+]?[0-9]+)*/\n+SIGN_REGEX = /[\\+\\-\\*\\/\\!]{1}/\n+$example = \"3 5 + 4 / 7 * 3 4 + -\"\n+\n+\n+def main()\n+    begin\n+        stack = validate_str gets\n+\n+        result = RPN(stack)\n+        \n+        result.to_i if result == result.to_i\n+\n+         return \"=> \" + result.to_s\n+\n+     rescue IOError => ex\n+         puts \"#{ex.class}: #{ex.message}\"\n+         exit\n+     rescue TypeError => ex\n+         puts \"Error: Incorrect RPN.\"\n+         exit\n+     rescue NoMethodError => ex\n+         puts \"Error: Incorrect RPN.\"\n+         exit\n+     end\n+\n+\n+end\n+\n+\n+def validate_str(str)\n+    elements = str.split\n+    elements.map! do |element| \n+        if element.match(NUM_REGEX)\n+            element.to_f\n+        elsif element.match(SIGN_REGEX)\n+            element\n+        else\n+            raise IOError, \"Input error.\"\n+        end\n+    end\n+    .reverse!\n+\n+\n+    return elements\n+end\n+\n+\n+def RPN (source)\n+    stack = []\n+    until source.empty? do\n+        if (el = source.pop).is_a? Float\n+            stack.push el\n+        else \n+            op1, op2 = stack.pop, stack.pop","path":"2016/VladislavErmolkin/1/task001.rb","position":55,"original_position":55,"commit_id":"5324f7d8c423bf671e03116ee71563090e6b39d7","original_commit_id":"5324f7d8c423bf671e03116ee71563090e6b39d7","user":{"login":"houndci-bot","id":6697940,"avatar_url":"https://avatars.githubusercontent.com/u/6697940?v=3","gravatar_id":"","url":"https://api.github.com/users/houndci-bot","html_url":"https://github.com/houndci-bot","followers_url":"https://api.github.com/users/houndci-bot/followers","following_url":"https://api.github.com/users/houndci-bot/following{/other_user}","gists_url":"https://api.github.com/users/houndci-bot/gists{/gist_id}","starred_url":"https://api.github.com/users/houndci-bot/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/houndci-bot/subscriptions","organizations_url":"https://api.github.com/users/houndci-bot/orgs","repos_url":"https://api.github.com/users/houndci-bot/repos","events_url":"https://api.github.com/users/houndci-bot/events{/privacy}","received_events_url":"https://api.github.com/users/houndci-bot/received_events","type":"User","site_admin":false},"body":"Use 2 (not 4) spaces for indentation.<br>Do not use parallel assignment.","created_at":"2016-10-21T03:38:12Z","updated_at":"2016-10-21T03:38:12Z","html_url":"https://github.com/rubyroidlabs/bsuir-courses/pull/469#discussion_r84414830","pull_request_url":"https://api.github.com/repos/rubyroidlabs/bsuir-courses/pulls/469","_links":{"self":{"href":"https://api.github.com/repos/rubyroidlabs/bsuir-courses/pulls/comments/84414830"},"html":{"href":"https://github.com/rubyroidlabs/bsuir-courses/pull/469#discussion_r84414830"},"pull_request":{"href":"https://api.github.com/repos/rubyroidlabs/bsuir-courses/pulls/469"}}},"pull_request":{"url":"https://api.github.com/repos/rubyroidlabs/bsuir-courses/pulls/469","id":90317369,"html_url":"https://github.com/rubyroidlabs/bsuir-courses/pull/469","diff_url":"https://github.com/rubyroidlabs/bsuir-courses/pull/469.diff","patch_url":"https://github.com/rubyroidlabs/bsuir-courses/pull/469.patch","issue_url":"https://api.github.com/repos/rubyroidlabs/bsuir-courses/issues/469","number":469,"state":"open","locked":false,"title":"implement homework 1","user":{"login":"Stigmater","id":11902012,"avatar_url":"https://avatars.githubusercontent.com/u/11902012?v=3","gravatar_id":"","url":"https://api.github.com/users/Stigmater","html_url":"https://github.com/Stigmater","followers_url":"https://api.github.com/users/Stigmater/followers","following_url":"https://api.github.com/users/Stigmater/following{/other_user}","gists_url":"https://api.github.com/users/Stigmater/gists{/gist_id}","starred_url":"https://api.github.com/users/Stigmater/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Stigmater/subscriptions","organizations_url":"https://api.github.com/users/Stigmater/orgs","repos_url":"https://api.github.com/users/Stigmater/repos","events_url":"https://api.github.com/users/Stigmater/events{/privacy}","received_events_url":"https://api.github.com/users/Stigmater/received_events","type":"User","site_admin":false},"body":"## Фамилия Имя\r\nЕрмолкин Владислав\r\n\r\n## Email\r\nStigmatervlad@gmail.com\r\n\r\n## Номер домашнего задания\r\n1\r\n\r\n## Ссылка на видео с демо работы\r\nhttps://youtu.be/bhyl4gHRq0I\r\n\r\n## Комментарии\r\nВвод в одну строку. \r\n\r\n","created_at":"2016-10-21T03:23:26Z","updated_at":"2016-10-21T03:38:13Z","closed_at":null,"merged_at":null,"merge_commit_sha":"cbf21b411fca7560992cf21d3f372cff7ce39504","assignee":null,"assignees":[],"milestone":null,"commits_url":"https://api.github.com/repos/rubyroidlabs/bsuir-courses/pulls/469/commits","review_comments_url":"https://api.github.com/repos/rubyroidlabs/bsuir-courses/pulls/469/comments","review_comment_url":"https://api.github.com/repos/rubyroidlabs/bsuir-courses/pulls/comments{/number}","comments_url":"https://api.github.com/repos/rubyroidlabs/bsuir-courses/issues/469/comments","statuses_url":"https://api.github.com/repos/rubyroidlabs/bsuir-courses/statuses/5324f7d8c423bf671e03116ee71563090e6b39d7","head":{"label":"Stigmater:homework-1","ref":"homework-1","sha":"5324f7d8c423bf671e03116ee71563090e6b39d7","user":{"login":"Stigmater","id":11902012,"avatar_url":"https://avatars.githubusercontent.com/u/11902012?v=3","gravatar_id":"","url":"https://api.github.com/users/Stigmater","html_url":"https://github.com/Stigmater","followers_url":"https://api.github.com/users/Stigmater/followers","following_url":"https://api.github.com/users/Stigmater/following{/other_user}","gists_url":"https://api.github.com/users/Stigmater/gists{/gist_id}","starred_url":"https://api.github.com/users/Stigmater/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Stigmater/subscriptions","organizations_url":"https://api.github.com/users/Stigmater/orgs","repos_url":"https://api.github.com/users/Stigmater/repos","events_url":"https://api.github.com/users/Stigmater/events{/privacy}","received_events_url":"https://api.github.com/users/Stigmater/received_events","type":"User","site_admin":false},"repo":{"id":71520812,"name":"bsuir-courses","full_name":"Stigmater/bsuir-courses","owner":{"login":"Stigmater","id":11902012,"avatar_url":"https://avatars.githubusercontent.com/u/11902012?v=3","gravatar_id":"","url":"https://api.github.com/users/Stigmater","html_url":"https://github.com/Stigmater","followers_url":"https://api.github.com/users/Stigmater/followers","following_url":"https://api.github.com/users/Stigmater/following{/other_user}","gists_url":"https://api.github.com/users/Stigmater/gists{/gist_id}","starred_url":"https://api.github.com/users/Stigmater/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Stigmater/subscriptions","organizations_url":"https://api.github.com/users/Stigmater/orgs","repos_url":"https://api.github.com/users/Stigmater/repos","events_url":"https://api.github.com/users/Stigmater/events{/privacy}","received_events_url":"https://api.github.com/users/Stigmater/received_events","type":"User","site_admin":false},"private":false,"html_url":"https://github.com/Stigmater/bsuir-courses","description":"This 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