114 lines
5.1 KiB
Python
114 lines
5.1 KiB
Python
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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
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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('AtCoder-styled contest expects no config or dict as config')
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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('invalid value "%s" for config key "%s"' % (value, key))
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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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with connection.cursor() as cursor:
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cursor.execute('''
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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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GROUP BY cp.id
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''', (participation.id, participation.id))
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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 = participation.submissions.exclude(submission__result__isnull=True) \
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.exclude(submission__result__in=['IE', 'CE']) \
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.filter(problem_id=prob)
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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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participation.cumtime = cumtime + penalty
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participation.score = points
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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):
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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 = format_html('<small style="color:red"> ({penalty})</small>',
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penalty=floatformat(format_data['penalty'])) if format_data['penalty'] else ''
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return format_html(
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'<td class="{state}"><a href="{url}">{points}{penalty}<div class="solving-time">{time}</div></a></td>',
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state=(('pretest-' if self.contest.run_pretests_only and contest_problem.is_pretested else '') +
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self.best_solution_state(format_data['points'], contest_problem.points)),
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url=reverse('contest_user_submissions',
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args=[self.contest.key, participation.user.user.username, contest_problem.problem.code]),
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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></td>')
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