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feat(tests): fixtures

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This commit is contained in:
Barrett Ruth 2025-10-05 23:06:38 -04:00
parent c143600c5b
commit 4fac6c8019
7 changed files with 3750 additions and 1823 deletions
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2
scrapers/cses.py
View file

@ -19,7 +19,7 @@ from .models import (
)
BASE_URL = "https://cses.fi"
INDEX_PATH = "/problemset/list"
INDEX_PATH = "/problemset"
TASK_PATH = "/problemset/task/{id}"
HEADERS = {
"User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"

144
tests/conftest.py
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@ -1,11 +1,16 @@
import asyncio
import importlib.util
import io
import json
import sys
from pathlib import Path
from types import ModuleType
from types import SimpleNamespace
from typing import Any
import httpx
import pytest
import requests
from scrapling import fetchers
ROOT = Path(__file__).resolve().parent.parent
FIX = Path(__file__).resolve().parent / "fixtures"
@ -20,12 +25,12 @@ def fixture_text():
return _load
def _load_scraper_module(module_path: Path, module_name: str) -> ModuleType:
def _load_scraper_module(module_path: Path, module_name: str):
spec = importlib.util.spec_from_file_location(
f"scrapers.{module_name}", module_path
)
if spec is None or spec.loader is None:
raise ImportError(f"Could not load spec for {module_name} from {module_path}")
raise ImportError(f"Cannot load module {module_name}")
module = importlib.util.module_from_spec(spec)
sys.modules[f"scrapers.{module_name}"] = module
spec.loader.exec_module(module)
@ -33,8 +38,6 @@ def _load_scraper_module(module_path: Path, module_name: str) -> ModuleType:
def _capture_stdout(coro):
import asyncio
buf = io.StringIO()
old = sys.stdout
sys.stdout = buf
@ -49,12 +52,26 @@ def _capture_stdout(coro):
@pytest.fixture
def run_scraper_offline(fixture_text):
def _router_cses(*, path: str | None = None, url: str | None = None) -> str:
if path == "/problemset/list":
if not path and not url:
raise AssertionError("CSES expects path or url")
target = path or url
if target is None:
raise AssertionError(f"No target for CSES (path={path!r}, url={url!r})")
if target.startswith("https://cses.fi"):
target = target.removeprefix("https://cses.fi")
if target.strip("/") == "problemset":
return fixture_text("cses_contests.html")
if path and path.startswith("/problemset/task/"):
pid = path.rsplit("/", 1)[-1]
if target.startswith("/problemset/task/") or target.startswith(
"problemset/task/"
):
pid = target.rstrip("/").split("/")[-1]
return fixture_text(f"cses_task_{pid}.html")
raise AssertionError(f"No fixture for CSES path={path!r}")
raise AssertionError(f"No fixture for CSES path={path!r} url={url!r}")
def _router_atcoder(*, path: str | None = None, url: str | None = None) -> str:
if not url:
@ -71,6 +88,9 @@ def run_scraper_offline(fixture_text):
def _router_codeforces(*, path: str | None = None, url: str | None = None) -> str:
if not url:
raise AssertionError("Codeforces expects url routing")
if "/contest/" in url and url.endswith("/problems"):
contest_id = url.rstrip("/").split("/")[-2]
return fixture_text(f"codeforces_{contest_id}_problems.html")
if "/contests" in url and "/problem/" not in url:
return fixture_text("codeforces_contests.html")
if "/problem/" in url:
@ -81,58 +101,99 @@ def run_scraper_offline(fixture_text):
parts = url.rstrip("/").split("/")
contest_id, index = parts[-2], parts[-1]
return fixture_text(f"codeforces_{contest_id}_{index}.html")
raise AssertionError(f"No fixture for Codeforces url={url!r}")
def _make_offline_fetches(scraper_name: str):
if scraper_name == "cses":
match scraper_name:
case "cses":
def __offline_fetch_text(client, path: str) -> str:
return _router_cses(path=path)
async def __offline_fetch_text(client, path: str, **kwargs):
html = _router_cses(path=path)
return SimpleNamespace(
text=html,
status_code=200,
raise_for_status=lambda: None,
)
return {
"__offline_fetch_text": __offline_fetch_text,
"__offline_fetch_sync": lambda url: (_ for _ in ()).throw(
AssertionError("CSES doesn't use _fetch")
),
"__offline_fetch_async": lambda client, url: (_ for _ in ()).throw(
AssertionError("CSES doesn't use _get_async")
),
}
if scraper_name == "atcoder":
async def __offline_fetch_async(client, url: str) -> str:
return _router_atcoder(url=url)
case "atcoder":
def __offline_fetch_sync(url: str) -> str:
def __offline_fetch(url: str, *args, **kwargs):
html = _router_atcoder(url=url)
return html
async def __offline_get_async(client, url: str, **kwargs):
return _router_atcoder(url=url)
return {
"__offline_fetch_text": lambda client, path: (_ for _ in ()).throw(
AssertionError("AtCoder doesn't use fetch_text")
),
"__offline_fetch_sync": __offline_fetch_sync,
"__offline_fetch_async": __offline_fetch_async,
"_fetch": __offline_fetch,
"_get_async": __offline_get_async,
}
if scraper_name == "codeforces":
def __offline_fetch_sync(url: str) -> str:
return _router_codeforces(url=url)
case "codeforces":
class MockPage:
def __init__(self, html: str):
self.html_content = html
def _mock_stealthy_fetch(url: str, **kwargs):
return MockPage(_router_codeforces(url=url))
def _mock_requests_get(url: str, **kwargs):
if "api/contest.list" in url:
data = {
"status": "OK",
"result": [
{
"id": 1550,
"name": "Educational Codeforces Round 155 (Rated for Div. 2)",
"phase": "FINISHED",
},
{
"id": 1000,
"name": "Codeforces Round #1000",
"phase": "FINISHED",
},
],
}
class R:
def json(self_inner):
return data
def raise_for_status(self_inner):
return None
return R()
raise AssertionError(f"Unexpected requests.get call: {url}")
return {
"__offline_fetch_text": lambda client, path: (_ for _ in ()).throw(
AssertionError("Codeforces doesn't use fetch_text")
),
"__offline_fetch_sync": __offline_fetch_sync,
"__offline_fetch_async": lambda client, url: (_ for _ in ()).throw(
AssertionError("Codeforces doesn't use _get_async")
),
"StealthyFetcher.fetch": _mock_stealthy_fetch,
"requests.get": _mock_requests_get,
}
case _:
raise AssertionError(f"Unknown scraper: {scraper_name}")
def _run(scraper_name: str, mode: str, *args: str):
mod_path = ROOT / "scrapers" / f"{scraper_name}.py"
ns = _load_scraper_module(mod_path, scraper_name)
main_async = getattr(ns, "main_async", None)
offline_fetches = _make_offline_fetches(scraper_name)
if scraper_name == "codeforces":
fetchers.stealthyfetcher.fetch = offline_fetches["stealthyfetcher.fetch"] # type: ignore
requests.get = offline_fetches["requests.get"]
elif scraper_name == "atcoder":
ns._fetch = offline_fetches["_fetch"]
ns._get_async = offline_fetches["_get_async"]
elif scraper_name == "cses":
httpx.asyncclient.get = offline_fetches["__offline_fetch_text"] # type: ignore
main_async = getattr(ns, "main_async")
assert callable(main_async), f"main_async not found in {scraper_name}"
argv = [str(mod_path), mode, *args]
@ -143,14 +204,9 @@ def run_scraper_offline(fixture_text):
finally:
sys.argv = old_argv
json_lines = []
json_lines: list[Any] = []
for line in (l for l in out.splitlines() if l.strip()):
try:
json_lines.append(json.loads(line))
except json.JSONDecodeError as e:
raise AssertionError(
f"Invalid JSON from {scraper_name} {mode}: {line}"
) from e
return rc, json_lines
return _run

1123
tests/fixtures/atcoder_task_abc100_a.html vendored
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1123
tests/fixtures/atcoder_task_abc100_b.html vendored
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618
tests/fixtures/atcoder_task_abc100_c.html vendored Normal file
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@ -0,0 +1,618 @@
<!DOCTYPE html>
<html>
<head>
<title>C - *3 or /2</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="Content-Language" content="en">
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<meta name="format-detection" content="telephone=no">
<meta name="google-site-verification" content="nXGC_JxO0yoP1qBzMnYD_xgufO6leSLw1kyNo2HZltM" />
<script async src="https://www.googletagmanager.com/gtag/js?id=G-RC512FD18N"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('set', 'user_properties', {
'login_status': 'logged_out',
});
gtag('config', 'G-RC512FD18N');
</script>
<meta name="description" content="AtCoder is a programming contest site for anyone from beginners to experts. We hold weekly programming contests online.">
<meta name="author" content="AtCoder Inc.">
<meta property="og:site_name" content="AtCoder">
<meta property="og:title" content="C - *3 or /2" />
<meta property="og:description" content="AtCoder is a programming contest site for anyone from beginners to experts. We hold weekly programming contests online." />
<meta property="og:type" content="website" />
<meta property="og:url" content="https://atcoder.jp/contests/abc100/tasks/abc100_c" />
<meta property="og:image" content="https://img.atcoder.jp/assets/atcoder.png" />
<meta name="twitter:card" content="summary" />
<meta name="twitter:site" content="@atcoder" />
<meta property="twitter:title" content="C - *3 or /2" />
<link href="//fonts.googleapis.com/css?family=Lato:400,700" rel="stylesheet" type="text/css">
<link rel="stylesheet" type="text/css" href="//img.atcoder.jp/public/6372bb3/css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="//img.atcoder.jp/public/6372bb3/css/base.css">
<link rel="shortcut icon" type="image/png" href="//img.atcoder.jp/assets/favicon.png">
<link rel="apple-touch-icon" href="//img.atcoder.jp/assets/atcoder.png">
<script src="//img.atcoder.jp/public/6372bb3/js/lib/jquery-1.9.1.min.js"></script>
<script src="//img.atcoder.jp/public/6372bb3/js/lib/bootstrap.min.js"></script>
<script src="//img.atcoder.jp/public/6372bb3/js/cdn/js.cookie.min.js"></script>
<script src="//img.atcoder.jp/public/6372bb3/js/cdn/moment.min.js"></script>
<script src="//img.atcoder.jp/public/6372bb3/js/cdn/moment_js-ja.js"></script>
<script>
var LANG = "en";
var userScreenName = "";
var csrfToken = "KwoiS7wTPLvccvgUDoQZ6H++fkjXMCchJrW6/YFqOJM="
</script>
<script src="//img.atcoder.jp/public/6372bb3/js/utils.js"></script>
<script src="//img.atcoder.jp/public/6372bb3/js/contest.js"></script>
<link href="//img.atcoder.jp/public/6372bb3/css/contest.css" rel="stylesheet" />
<script>
var contestScreenName = "abc100";
var remainingText = "Remaining Time";
var countDownText = "Contest begins in";
var startTime = moment("2018-06-16T21:00:00+09:00");
var endTime = moment("2018-06-16T22:40:00+09:00");
</script>
<style></style>
<link href="//img.atcoder.jp/public/6372bb3/css/cdn/select2.min.css" rel="stylesheet" />
<link href="//img.atcoder.jp/public/6372bb3/css/cdn/select2-bootstrap.min.css" rel="stylesheet" />
<script src="//img.atcoder.jp/public/6372bb3/js/lib/select2.min.js"></script>
<script src="//img.atcoder.jp/public/6372bb3/js/ace/ace.js"></script>
<script src="//img.atcoder.jp/public/6372bb3/js/ace/ext-language_tools.js"></script>
<script src="//img.atcoder.jp/public/6372bb3/js/cdn/run_prettify.js"></script>
<link rel="stylesheet" href="//img.atcoder.jp/public/6372bb3/css/cdn/katex.min.css">
<script defer src="//img.atcoder.jp/public/6372bb3/js/cdn/katex.min.js"></script>
<script defer src="//img.atcoder.jp/public/6372bb3/js/cdn/auto-render.min.js"></script>
<script>$(function(){$('var').each(function(){var html=$(this).html().replace(/<sub>/g,'_{').replace(/<\/sub>/g,'}');$(this).html('\\('+html+'\\)');});});</script>
<script>
var katexOptions = {
delimiters: [
{left: "$$", right: "$$", display: true},
{left: "\\(", right: "\\)", display: false},
{left: "\\[", right: "\\]", display: true}
],
ignoredTags: ["script", "noscript", "style", "textarea", "code", "option"],
ignoredClasses: ["prettyprint", "source-code-for-copy"],
throwOnError: false
};
document.addEventListener("DOMContentLoaded", function() { renderMathInElement(document.body, katexOptions);});
</script>
<script src="//img.atcoder.jp/public/6372bb3/js/base.js"></script>
</head>
<body>
<script type="text/javascript">
var __pParams = __pParams || [];
__pParams.push({client_id: '468', c_1: 'atcodercontest', c_2: 'ClientSite'});
</script>
<script type="text/javascript" src="https://cdn.d2-apps.net/js/tr.js" async></script>
<div id="modal-contest-start" class="modal fade" tabindex="-1" role="dialog">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
<h4 class="modal-title">Contest started</h4>
</div>
<div class="modal-body">
<p>AtCoder Beginner Contest 100 has begun.</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div id="modal-contest-end" class="modal fade" tabindex="-1" role="dialog">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
<h4 class="modal-title">Contest is over</h4>
</div>
<div class="modal-body">
<p>AtCoder Beginner Contest 100 has ended.</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div id="main-div" class="float-container">
<nav class="navbar navbar-inverse navbar-fixed-top">
<div class="container-fluid">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar-collapse" aria-expanded="false">
<span class="icon-bar"></span><span class="icon-bar"></span><span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="/home"></a>
</div>
<div class="collapse navbar-collapse" id="navbar-collapse">
<ul class="nav navbar-nav">
<li><a class="contest-title" href="/contests/abc100">AtCoder Beginner Contest 100</a></li>
</ul>
<ul class="nav navbar-nav navbar-right">
<li class="dropdown">
<a class="dropdown-toggle" data-toggle="dropdown" href="#" role="button" aria-haspopup="true" aria-expanded="false">
<img src='//img.atcoder.jp/assets/top/img/flag-lang/en.png'> English <span class="caret"></span>
</a>
<ul class="dropdown-menu">
<li><a href="/contests/abc100/tasks/abc100_c?lang=ja"><img src='//img.atcoder.jp/assets/top/img/flag-lang/ja.png'> 日本語</a></li>
<li><a href="/contests/abc100/tasks/abc100_c?lang=en"><img src='//img.atcoder.jp/assets/top/img/flag-lang/en.png'> English</a></li>
</ul>
</li>
<li><a href="/register?continue=https%3A%2F%2Fatcoder.jp%2Fcontests%2Fabc100%2Ftasks%2Fabc100_c">Sign Up</a></li>
<li><a href="/login?continue=https%3A%2F%2Fatcoder.jp%2Fcontests%2Fabc100%2Ftasks%2Fabc100_c">Sign In</a></li>
</ul>
</div>
</div>
</nav>
<form method="POST" name="form_logout" action="/logout?continue=https%3A%2F%2Fatcoder.jp%2Fcontests%2Fabc100%2Ftasks%2Fabc100_c">
<input type="hidden" name="csrf_token" value="KwoiS7wTPLvccvgUDoQZ6H&#43;&#43;fkjXMCchJrW6/YFqOJM=" />
</form>
<div id="main-container" class="container"
style="padding-top:50px;">
<div class="row">
<div id="contest-nav-tabs" class="col-sm-12 mb-2 cnvtb-fixed">
<div>
<small class="contest-duration">
Contest Duration:
<a href='http://www.timeanddate.com/worldclock/fixedtime.html?iso=20180616T2100&p1=248' target='blank'><time class='fixtime fixtime-full'>2018-06-16 21:00:00+0900</time></a> - <a href='http://www.timeanddate.com/worldclock/fixedtime.html?iso=20180616T2240&p1=248' target='blank'><time class='fixtime fixtime-full'>2018-06-16 22:40:00+0900</time></a> (local time)
(100 minutes)
</small>
<small class="back-to-home pull-right"><a href="/home">Back to Home</a></small>
</div>
<ul class="nav nav-tabs">
<li><a href="/contests/abc100"><span class="glyphicon glyphicon-home" aria-hidden="true"></span> Top</a></li>
<li class="active"><a href="/contests/abc100/tasks"><span class="glyphicon glyphicon-tasks" aria-hidden="true"></span> Tasks</a></li>
<li><a href="/contests/abc100/clarifications"><span class="glyphicon glyphicon-question-sign" aria-hidden="true"></span> Clarifications <span id="clar-badge" class="badge" ></span></a></li>
<li>
<a class="dropdown-toggle" data-toggle="dropdown" href="#" role="button" aria-haspopup="true" aria-expanded="false"><span class="glyphicon glyphicon-list" aria-hidden="true"></span> Results<span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="/contests/abc100/submissions"><span class="glyphicon glyphicon-globe" aria-hidden="true"></span> All Submissions</a></li>
</ul>
</li>
<li><a href="/contests/abc100/standings"><span class="glyphicon glyphicon-sort-by-attributes-alt" aria-hidden="true"></span> Standings</a></li>
<li><a href="/contests/abc100/standings/virtual"><span class="glyphicon glyphicon-sort-by-attributes-alt" aria-hidden="true"></span> Virtual Standings</a></li>
<li><a href="/contests/abc100/editorial"><span class="glyphicon glyphicon-book" aria-hidden="true"></span> Editorial</a></li>
<li class="pull-right"><a id="fix-cnvtb" href="javascript:void(0)"><span class="glyphicon glyphicon-pushpin" aria-hidden="true"></span></a></li>
</ul>
</div>
<div class="col-sm-12">
<span class="h2">
C - *3 or /2
<a class="btn btn-default btn-sm" href="/contests/abc100/tasks/abc100_c/editorial">Editorial</a>
</span>
<span id="task-lang-btn" class="pull-right"><span data-lang="ja"><img src='//img.atcoder.jp/assets/top/img/flag-lang/ja.png'></span> / <span data-lang="en"><img src='//img.atcoder.jp/assets/top/img/flag-lang/en.png'></span></span>
<script>
$(function() {
var ts = $('#task-statement span.lang');
if (ts.children('span').size() <= 1) {
$('#task-lang-btn').hide();
ts.children('span').show();
return;
}
var REMEMBER_LB = 5;
var LS_KEY = 'task_lang';
var taskLang = getLS(LS_KEY) || '';
function isTaskLangSet(taskLang) { return taskLang === 'ja' || taskLang === 'en';}
if (isTaskLangSet(taskLang)) {
const params = new URLSearchParams(window.location.search);
if (params.get('lang')) {
setLS(LS_KEY, REMEMBER_LB);
taskLang = LANG;
}
} else {
taskLang = LANG;
}
ts.children('span.lang-' + taskLang).show();
$('#task-lang-btn span').click(function() {
var l = $(this).data('lang');
ts.children('span').hide();
ts.children('span.lang-' + l).show();
taskLang = getLS(LS_KEY) || '';
let changeTimes = 0;
if (isTaskLangSet(taskLang)) {
changeTimes = REMEMBER_LB;
} else {
changeTimes = parseInt(taskLang, 10);
if (isNaN(changeTimes)) changeTimes = 0;
changeTimes++;
}
if (changeTimes < REMEMBER_LB) setLS(LS_KEY, changeTimes);
else setLS(LS_KEY, l);
});
});
</script>
<hr/>
<p>
Time Limit: 2 sec / Memory Limit: 976 MiB
</p>
<div id="task-statement">
<span class="lang">
<span class="lang-ja">
<p>配点: <var>300</var> 点</p>
<div class="part">
<section>
<h3>問題文</h3>
<p>AtCoder Beginner Contest 100 の開催にともなって, AtCoder 社では長さ <var>N</var> の数列 <var>a = </var>{<var>a_1, a_2, a_3, ..., a_N</var>} が飾られることになった. <br />
社員のすぬけ君は, この数列で遊んでみようと思った. </p>
<p>具体的には, 以下の操作をできるだけ多くの回数繰り返そうと思った. </p>
<pre><var>1 \leq i \leq N</var> を満たす全ての <var>i</var> に対して, それぞれ「<var>a_i</var> の値を <var>2</var> で割る」「<var>a_i</var> の値を <var>3</var> 倍する」のどちらかを行う.
ただし, 全ての <var>i</var> に対して <var>3</var> 倍することはできず, 操作後の <var>a_i</var> の値は整数でなければならない.
</pre>
<p>最大で何回の操作が可能か, 求めなさい. </p>
</section>
</div>
<div class="part">
<section>
<h3>制約</h3>
<ul>
<li><var>N</var> は <var>1</var> 以上 <var>10 \ 000</var> 以下の整数</li>
<li><var>a_i</var> は <var>1</var> 以上 <var>1 \ 000 \ 000 \ 000</var> 以下の整数</li>
</ul>
</section>
</div>
<hr />
<div class="io-style">
<div class="part">
<section>
<h3>入力</h3>
<p>入力は以下の形式で標準入力から与えられる. </p>
<pre><var>N</var>
<var>a_1</var> <var>a_2</var> <var>a_3</var> <var>...</var> <var>a_N</var>
</pre>
</section>
</div>
<div class="part">
<section>
<h3>出力</h3>
<p>すぬけ君が行える最大の操作回数を出力しなさい. </p>
</section>
</div>
</div>
<hr />
<div class="part">
<section>
<h3>入力例 1</h3><pre>3
5 2 4
</pre>
</section>
</div>
<div class="part">
<section>
<h3>出力例 1</h3><pre>3
</pre>
<p>最初, 数列は <var>{5, 2, 4}</var> であるが, 以下のように操作すれば <var>3</var> 回の操作を行うことができる. </p>
<ul>
<li>最初に, <var>a_1</var> を <var>3</var> 倍し, <var>a_2</var> を <var>3</var> 倍し, <var>a_3</var> を <var>2</var> で割る. すると数列は <var>{15, 6, 2}</var> となる.</li>
<li>次に, <var>a_1</var> を <var>3</var> 倍し, <var>a_2</var> を <var>2</var> で割り, <var>a_3</var> を <var>3</var> 倍する. すると数列は <var>{45, 3, 6}</var> となる.</li>
<li>最後に, <var>a_1</var> を <var>3</var> 倍し, <var>a_2</var> を <var>3</var> 倍し, <var>a_3</var> を <var>2</var> で割る. すると数列は <var>{135, 9, 3}</var> となる.</li>
</ul>
</section>
</div>
<hr />
<div class="part">
<section>
<h3>入力例 2</h3><pre>4
631 577 243 199
</pre>
</section>
</div>
<div class="part">
<section>
<h3>出力例 2</h3><pre>0
</pre>
<p>全ての要素が奇数なので, 操作はできない. よって答えは <var>0</var> である. </p>
</section>
</div>
<hr />
<div class="part">
<section>
<h3>入力例 3</h3><pre>10
2184 2126 1721 1800 1024 2528 3360 1945 1280 1776
</pre>
</section>
</div>
<div class="part">
<section>
<h3>出力例 3</h3><pre>39
</pre></section>
</div>
</span>
<span class="lang-en">
<p>Score: <var>300</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3>
<p>As AtCoder Beginner Contest 100 is taking place, the office of AtCoder, Inc. is decorated with a sequence of length <var>N</var>, <var>a = </var>{<var>a_1, a_2, a_3, ..., a_N</var>}.<br />
Snuke, an employee, would like to play with this sequence.</p>
<p>Specifically, he would like to repeat the following operation as many times as possible:</p>
<pre>For every <var>i</var> satisfying <var>1 \leq i \leq N</var>, perform one of the following: &quot;divide <var>a_i</var> by <var>2</var>&quot; and &quot;multiply <var>a_i</var> by <var>3</var>&quot;.
Here, choosing &quot;multiply <var>a_i</var> by <var>3</var>&quot; for every <var>i</var> is not allowed, and the value of <var>a_i</var> after the operation must be an integer.
</pre>
<p>At most how many operations can be performed?</p>
</section>
</div>
<div class="part">
<section>
<h3>Constraints</h3>
<ul>
<li><var>N</var> is an integer between <var>1</var> and <var>10 \ 000</var> (inclusive).</li>
<li><var>a_i</var> is an integer between <var>1</var> and <var>1 \ 000 \ 000 \ 000</var> (inclusive).</li>
</ul>
</section>
</div>
<hr />
<div class="io-style">
<div class="part">
<section>
<h3>Input</h3>
<p>Input is given from Standard Input in the following format:</p>
<pre><var>N</var>
<var>a_1</var> <var>a_2</var> <var>a_3</var> <var>...</var> <var>a_N</var>
</pre>
</section>
</div>
<div class="part">
<section>
<h3>Output</h3>
<p>Print the maximum number of operations that Snuke can perform.</p>
</section>
</div>
</div>
<hr />
<div class="part">
<section>
<h3>Sample Input 1</h3><pre>3
5 2 4
</pre>
</section>
</div>
<div class="part">
<section>
<h3>Sample Output 1</h3><pre>3
</pre>
<p>The sequence is initially <var>{5, 2, 4}</var>. Three operations can be performed as follows:</p>
<ul>
<li>First, multiply <var>a_1</var> by <var>3</var>, multiply <var>a_2</var> by <var>3</var> and divide <var>a_3</var> by <var>2</var>. The sequence is now <var>{15, 6, 2}</var>.</li>
<li>Next, multiply <var>a_1</var> by <var>3</var>, divide <var>a_2</var> by <var>2</var> and multiply <var>a_3</var> by <var>3</var>. The sequence is now <var>{45, 3, 6}</var>.</li>
<li>Finally, multiply <var>a_1</var> by <var>3</var>, multiply <var>a_2</var> by <var>3</var> and divide <var>a_3</var> by <var>2</var>. The sequence is now <var>{135, 9, 3}</var>.</li>
</ul>
</section>
</div>
<hr />
<div class="part">
<section>
<h3>Sample Input 2</h3><pre>4
631 577 243 199
</pre>
</section>
</div>
<div class="part">
<section>
<h3>Sample Output 2</h3><pre>0
</pre>
<p>No operation can be performed since all the elements are odd. Thus, the answer is <var>0</var>.</p>
</section>
</div>
<hr />
<div class="part">
<section>
<h3>Sample Input 3</h3><pre>10
2184 2126 1721 1800 1024 2528 3360 1945 1280 1776
</pre>
</section>
</div>
<div class="part">
<section>
<h3>Sample Output 3</h3><pre>39
</pre></section>
</div>
</span>
</span>
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<p>
Time Limit: 2 sec / Memory Limit: 976 MiB
</p>
<div id="task-statement">
<span class="lang">
<span class="lang-ja">
<p>配点: <var>400</var> 点</p>
<div class="part">
<section>
<h3>問題文</h3>
<p>高橋君はプロのパティシエになり, AtCoder Beginner Contest 100 を記念して, 「ABC洋菓子店」というお店を開いた. </p>
<p>ABC洋菓子店では, <var>N</var> 種類のケーキを売っている.<br />
各種類のケーキには「綺麗さ」「おいしさ」「人気度」の <var>3</var> つの値を持ち, <var>i</var> 種類目のケーキの綺麗さは <var>x_i</var>, おいしさは <var>y_i</var>, 人気度は <var>z_i</var> である.<br />
これらの値は <var>0</var> 以下である可能性もある. </p>
<p>りんごさんは, ABC洋菓子店で <var>M</var> 個のケーキを食べることにした. 彼は次のように, 食べるケーキの組み合わせを選ぶことにした. </p>
<ul>
<li>同じ種類のケーキを <var>2</var> 個以上食べない.</li>
<li>上の条件を満たしつつ, (綺麗さの合計の絶対値) + (おいしさの合計の絶対値) + (人気度の合計の絶対値) が最大になるように選ぶ.</li>
</ul>
<p>このとき, りんごさんが選ぶケーキの (綺麗さの合計の絶対値) + (おいしさの合計の絶対値) + (人気度の合計の絶対値) の最大値を求めなさい. </p>
</section>
</div>
<div class="part">
<section>
<h3>制約</h3>
<ul>
<li><var>N</var> は <var>1</var> 以上 <var>1 \ 000</var> 以下の整数</li>
<li><var>M</var> は <var>0</var> 以上 <var>N</var> 以下の整数</li>
<li><var>x_i, y_i, z_i \ (1 \leq i \leq N)</var> は, それぞれ <var>-10 \ 000 \ 000 \ 000</var> 以上 <var>10 \ 000 \ 000 \ 000</var> 以下の整数.</li>
</ul>
</section>
</div>
<hr />
<div class="io-style">
<div class="part">
<section>
<h3>入力</h3>
<p>入力は以下の形式で標準入力から与えられる. </p>
<pre><var>N</var> <var>M</var>
<var>x_1</var> <var>y_1</var> <var>z_1</var>
<var>x_2</var> <var>y_2</var> <var>z_2</var>
<var>:</var> <var>:</var>
<var>x_N</var> <var>y_N</var> <var>z_N</var>
</pre>
</section>
</div>
<div class="part">
<section>
<h3>出力</h3>
<p>りんごさんが選ぶケーキの (綺麗さの合計の絶対値) + (おいしさの合計の絶対値) + (人気度の合計の絶対値) の最大値を出力しなさい. </p>
</section>
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<div class="part">
<section>
<h3>入力例 1</h3><pre>5 3
3 1 4
1 5 9
2 6 5
3 5 8
9 7 9
</pre>
</section>
</div>
<div class="part">
<section>
<h3>出力例 1</h3><pre>56
</pre>
<p><var>2, 4, 5</var> 種類目のケーキを食べることを考える. そのとき, 「綺麗さ」「おいしさ」「人気度」の合計はそれぞれ次のようになる. </p>
<ul>
<li>綺麗さ：<var>1 + 3 + 9 = 13</var></li>
<li>おいしさ：<var>5 + 5 + 7 = 17</var></li>
<li>人気度：<var>9 + 8 + 9 = 26</var></li>
</ul>
<p>このときの (綺麗さの合計の絶対値) + (おいしさの合計の絶対値) + (人気度の合計の絶対値) は <var>13 + 17 + 26 = 56</var> となり, これが最大になる. </p>
</section>
</div>
<hr />
<div class="part">
<section>
<h3>入力例 2</h3><pre>5 3
1 -2 3
-4 5 -6
7 -8 -9
-10 11 -12
13 -14 15
</pre>
</section>
</div>
<div class="part">
<section>
<h3>出力例 2</h3><pre>54
</pre>
<p><var>1, 3, 5</var> 種類目のケーキを食べることを考える. そのとき, 「綺麗さ」「おいしさ」「人気度」の合計はそれぞれ次のようになる. </p>
<ul>
<li>綺麗さ：<var>1 + 7 + 13 = 21</var></li>
<li>おいしさ：<var>(-2) + (-8) + (-14) = -24</var></li>
<li>人気度：<var>3 + (-9) + 15 = 9</var></li>
</ul>
<p>このときの (綺麗さの合計の絶対値) + (おいしさの合計の絶対値) + (人気度の合計の絶対値) は <var>21 + 24 + 9 = 54</var> となり, これが最大になる. </p>
</section>
</div>
<hr />
<div class="part">
<section>
<h3>入力例 3</h3><pre>10 5
10 -80 21
23 8 38
-94 28 11
-26 -2 18
-69 72 79
-26 -86 -54
-72 -50 59
21 65 -32
40 -94 87
-62 18 82
</pre>
</section>
</div>
<div class="part">
<section>
<h3>出力例 3</h3><pre>638
</pre>
<p><var>3, 4, 5, 7, 10</var> 種類目のケーキを食べると, 綺麗さの合計は <var>-323</var>, おいしさの合計は <var>66</var>, 人気度の合計は <var>249</var> となる.<br />
このときの (綺麗さの合計の絶対値) + (おいしさの合計の絶対値) + (人気度の合計の絶対値) は <var>323 + 66 + 249 = 638</var> となり, これが最大になる. </p>
</section>
</div>
<hr />
<div class="part">
<section>
<h3>入力例 4</h3><pre>3 2
2000000000 -9000000000 4000000000
7000000000 -5000000000 3000000000
6000000000 -1000000000 8000000000
</pre>
</section>
</div>
<div class="part">
<section>
<h3>出力例 4</h3><pre>30000000000
</pre>
<p>ケーキの綺麗さ, おいしさ, 人気度や出力すべき値が, 32bit 整数に収まらない場合もある. </p></section>
</div>
</span>
<span class="lang-en">
<p>Score: <var>400</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3>
<p>Takahashi became a pastry chef and opened a shop <em>La Confiserie d'ABC</em> to celebrate AtCoder Beginner Contest 100.</p>
<p>The shop sells <var>N</var> kinds of cakes.<br />
Each kind of cake has three parameters "beauty", "tastiness" and "popularity". The <var>i</var>-th kind of cake has the beauty of <var>x_i</var>, the tastiness of <var>y_i</var> and the popularity of <var>z_i</var>.<br />
These values may be zero or negative.</p>
<p>Ringo has decided to have <var>M</var> pieces of cakes here. He will choose the set of cakes as follows:</p>
<ul>
<li>Do not have two or more pieces of the same kind of cake.</li>
<li>Under the condition above, choose the set of cakes to maximize (the absolute value of the total beauty) + (the absolute value of the total tastiness) + (the absolute value of the total popularity).</li>
</ul>
<p>Find the maximum possible value of (the absolute value of the total beauty) + (the absolute value of the total tastiness) + (the absolute value of the total popularity) for the set of cakes that Ringo chooses.</p>
</section>
</div>
<div class="part">
<section>
<h3>Constraints</h3>
<ul>
<li><var>N</var> is an integer between <var>1</var> and <var>1 \ 000</var> (inclusive).</li>
<li><var>M</var> is an integer between <var>0</var> and <var>N</var> (inclusive).</li>
<li><var>x_i, y_i, z_i \ (1 \leq i \leq N)</var> are integers between <var>-10 \ 000 \ 000 \ 000</var> and <var>10 \ 000 \ 000 \ 000</var> (inclusive).</li>
</ul>
</section>
</div>
<hr />
<div class="io-style">
<div class="part">
<section>
<h3>Input</h3>
<p>Input is given from Standard Input in the following format:</p>
<pre><var>N</var> <var>M</var>
<var>x_1</var> <var>y_1</var> <var>z_1</var>
<var>x_2</var> <var>y_2</var> <var>z_2</var>
<var>:</var> <var>:</var>
<var>x_N</var> <var>y_N</var> <var>z_N</var>
</pre>
</section>
</div>
<div class="part">
<section>
<h3>Output</h3>
<p>Print the maximum possible value of (the absolute value of the total beauty) + (the absolute value of the total tastiness) + (the absolute value of the total popularity) for the set of cakes that Ringo chooses.</p>
</section>
</div>
</div>
<hr />
<div class="part">
<section>
<h3>Sample Input 1</h3><pre>5 3
3 1 4
1 5 9
2 6 5
3 5 8
9 7 9
</pre>
</section>
</div>
<div class="part">
<section>
<h3>Sample Output 1</h3><pre>56
</pre>
<p>Consider having the <var>2</var>-nd, <var>4</var>-th and <var>5</var>-th kinds of cakes. The total beauty, tastiness and popularity will be as follows:</p>
<ul>
<li>Beauty: <var>1 + 3 + 9 = 13</var></li>
<li>Tastiness: <var>5 + 5 + 7 = 17</var></li>
<li>Popularity: <var>9 + 8 + 9 = 26</var></li>
</ul>
<p>The value (the absolute value of the total beauty) + (the absolute value of the total tastiness) + (the absolute value of the total popularity) here is <var>13 + 17 + 26 = 56</var>. This is the maximum value.</p>
</section>
</div>
<hr />
<div class="part">
<section>
<h3>Sample Input 2</h3><pre>5 3
1 -2 3
-4 5 -6
7 -8 -9
-10 11 -12
13 -14 15
</pre>
</section>
</div>
<div class="part">
<section>
<h3>Sample Output 2</h3><pre>54
</pre>
<p>Consider having the <var>1</var>-st, <var>3</var>-rd and <var>5</var>-th kinds of cakes. The total beauty, tastiness and popularity will be as follows:</p>
<ul>
<li>Beauty: <var>1 + 7 + 13 = 21</var></li>
<li>Tastiness: <var>(-2) + (-8) + (-14) = -24</var></li>
<li>Popularity: <var>3 + (-9) + 15 = 9</var></li>
</ul>
<p>The value (the absolute value of the total beauty) + (the absolute value of the total tastiness) + (the absolute value of the total popularity) here is <var>21 + 24 + 9 = 54</var>. This is the maximum value.</p>
</section>
</div>
<hr />
<div class="part">
<section>
<h3>Sample Input 3</h3><pre>10 5
10 -80 21
23 8 38
-94 28 11
-26 -2 18
-69 72 79
-26 -86 -54
-72 -50 59
21 65 -32
40 -94 87
-62 18 82
</pre>
</section>
</div>
<div class="part">
<section>
<h3>Sample Output 3</h3><pre>638
</pre>
<p>If we have the <var>3</var>-rd, <var>4</var>-th, <var>5</var>-th, <var>7</var>-th and <var>10</var>-th kinds of cakes, the total beauty, tastiness and popularity will be <var>-323</var>, <var>66</var> and <var>249</var>, respectively.<br />
The value (the absolute value of the total beauty) + (the absolute value of the total tastiness) + (the absolute value of the total popularity) here is <var>323 + 66 + 249 = 638</var>. This is the maximum value.</p>
</section>
</div>
<hr />
<div class="part">
<section>
<h3>Sample Input 4</h3><pre>3 2
2000000000 -9000000000 4000000000
7000000000 -5000000000 3000000000
6000000000 -1000000000 8000000000
</pre>
</section>
</div>
<div class="part">
<section>
<h3>Sample Output 4</h3><pre>30000000000
</pre>
<p>The values of the beauty, tastiness and popularity of the cakes and the value to be printed may not fit into 32-bit integers.</p></section>
</div>
</span>
</span>
</div>
</div>
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