153 lines
6.1 KiB
Python
153 lines
6.1 KiB
Python
from datetime import timedelta
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from django.core.exceptions import ValidationError
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from django.db import connection
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from django.template.defaultfilters import floatformat
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from django.urls import reverse
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from django.utils.html import format_html
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from django.utils.safestring import mark_safe
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from django.utils.translation import gettext_lazy
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from judge.contest_format.default import DefaultContestFormat
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from judge.contest_format.registry import register_contest_format
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from judge.timezone import from_database_time, to_database_time
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from judge.utils.timedelta import nice_repr
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@register_contest_format("atcoder")
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class AtCoderContestFormat(DefaultContestFormat):
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name = gettext_lazy("AtCoder")
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config_defaults = {"penalty": 5}
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config_validators = {"penalty": lambda x: x >= 0}
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"""
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penalty: Number of penalty minutes each incorrect submission adds. Defaults to 5.
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"""
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@classmethod
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def validate(cls, config):
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if config is None:
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return
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if not isinstance(config, dict):
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raise ValidationError(
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"AtCoder-styled contest expects no config or dict as config"
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)
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for key, value in config.items():
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if key not in cls.config_defaults:
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raise ValidationError('unknown config key "%s"' % key)
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if not isinstance(value, type(cls.config_defaults[key])):
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raise ValidationError('invalid type for config key "%s"' % key)
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if not cls.config_validators[key](value):
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raise ValidationError(
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'invalid value "%s" for config key "%s"' % (value, key)
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)
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def __init__(self, contest, config):
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self.config = self.config_defaults.copy()
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self.config.update(config or {})
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self.contest = contest
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def update_participation(self, participation):
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cumtime = 0
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penalty = 0
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points = 0
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format_data = {}
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frozen_time = self.contest.end_time
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if self.contest.freeze_after:
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frozen_time = participation.start + self.contest.freeze_after
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with connection.cursor() as cursor:
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cursor.execute(
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"""
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SELECT MAX(cs.points) as `score`, (
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SELECT MIN(csub.date)
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FROM judge_contestsubmission ccs LEFT OUTER JOIN
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judge_submission csub ON (csub.id = ccs.submission_id)
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WHERE ccs.problem_id = cp.id AND ccs.participation_id = %s AND ccs.points = MAX(cs.points)
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) AS `time`, cp.id AS `prob`
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FROM judge_contestproblem cp INNER JOIN
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judge_contestsubmission cs ON (cs.problem_id = cp.id AND cs.participation_id = %s) LEFT OUTER JOIN
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judge_submission sub ON (sub.id = cs.submission_id)
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WHERE sub.date < %s
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GROUP BY cp.id
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""",
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(participation.id, participation.id, to_database_time(frozen_time)),
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)
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for score, time, prob in cursor.fetchall():
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time = from_database_time(time)
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dt = (time - participation.start).total_seconds()
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# Compute penalty
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if self.config["penalty"]:
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# An IE can have a submission result of `None`
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subs = (
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participation.submissions.exclude(
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submission__result__isnull=True
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)
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.exclude(submission__result__in=["IE", "CE"])
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.filter(problem_id=prob)
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)
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if score:
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prev = subs.filter(submission__date__lte=time).count() - 1
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penalty += prev * self.config["penalty"] * 60
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else:
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# We should always display the penalty, even if the user has a score of 0
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prev = subs.count()
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else:
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prev = 0
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if score:
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cumtime = max(cumtime, dt)
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format_data[str(prob)] = {"time": dt, "points": score, "penalty": prev}
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points += score
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self.handle_frozen_state(participation, format_data)
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participation.cumtime = cumtime + penalty
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participation.score = round(points, self.contest.points_precision)
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participation.tiebreaker = 0
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participation.format_data = format_data
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participation.save()
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def display_user_problem(self, participation, contest_problem, show_final=False):
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format_data = (participation.format_data or {}).get(str(contest_problem.id))
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if format_data:
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penalty = (
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format_html(
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'<small style="color:red"> ({penalty})</small>',
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penalty=floatformat(format_data["penalty"]),
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)
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if format_data.get("penalty")
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else ""
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)
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return format_html(
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'<td class="{state} problem-score-col"><a data-featherlight="{url}" href="#">{points}{penalty}<div class="solving-time">{time}</div></a></td>',
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state=(
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(
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"pretest-"
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if self.contest.run_pretests_only
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and contest_problem.is_pretested
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else ""
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)
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+ self.best_solution_state(
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format_data["points"], contest_problem.points
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)
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+ (" frozen" if format_data.get("frozen") else "")
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),
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url=reverse(
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"contest_user_submissions_ajax",
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args=[
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self.contest.key,
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participation.id,
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contest_problem.problem.code,
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],
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),
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points=floatformat(format_data["points"]),
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penalty=penalty,
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time=nice_repr(timedelta(seconds=format_data["time"]), "noday"),
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)
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else:
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return mark_safe('<td class="problem-score-col"></td>')
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