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Add ML to problem feed

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This commit is contained in:
cuom1999 2022-04-11 21:18:01 -05:00
parent 34523ab53f
commit 2fe571379c
8 changed files with 157 additions and 6 deletions
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4
judge/utils/problems.py
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@ -115,7 +115,7 @@ def hot_problems(duration, limit):
qs = cache.get(cache_key)
if qs is None:
qs = Problem.get_public_problems() \
.filter(submission__date__gt=timezone.now() - duration, points__gt=3, points__lt=25)
.filter(submission__date__gt=timezone.now() - duration)
qs0 = qs.annotate(k=Count('submission__user', distinct=True)).order_by('-k').values_list('k', flat=True)
if not qs0:
@ -141,7 +141,7 @@ def hot_problems(duration, limit):
qs = qs.filter(unique_user_count__gt=max(mx / 3.0, 1))
qs = qs.annotate(ordering=ExpressionWrapper(
0.5 * F('points') * (0.4 * F('ac_volume') / F('submission_volume') + 0.6 * F('ac_rate')) +
0.02 * F('points') * (0.4 * F('ac_volume') / F('submission_volume') + 0.6 * F('ac_rate')) +
100 * e ** (F('unique_user_count') / mx), output_field=FloatField(),
)).order_by('-ordering').defer('description')[:limit]