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Make recommendation random

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This commit is contained in:
cuom1999 2022-04-24 23:25:50 -05:00
parent ebe09cf0ad
commit 81644a7415
1 changed files with 17 additions and 21 deletions
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38
judge/views/problem.py
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@ -1,9 +1,10 @@
import logging
import os
import shutil
from datetime import timedelta
from datetime import timedelta, datetime
from operator import itemgetter
from random import randrange
import random
from django.conf import settings
from django.contrib.auth.decorators import login_required
@ -161,7 +162,7 @@ class ProblemDetail(ProblemMixin, SolvedProblemMixin, CommentedDetailView):
template_name = 'problem/problem.html'
def get_comment_page(self):
return 'p:%s' % self.object.code
return 'p:%s' % self.object.code
def get_context_data(self, **kwargs):
context = super(ProblemDetail, self).get_context_data(**kwargs)
@ -611,27 +612,22 @@ class ProblemFeed(ProblemList):
orphans=orphans, allow_empty_first_page=allow_empty_first_page, **kwargs)
# arr = [[], [], ..]
def merge_recommendation(self, arr):
idx = [0] * len(arr)
stop = False
def merge_recommendation(self, arr):
seed = datetime.now().strftime("%d%m%Y")
merged_array = []
for a in arr:
merged_array += a
random.Random(seed).shuffle(merged_array)
res = []
used_pid = set()
cnt = 0
while not stop:
cnt += 1
stop = True
for i in range(len(arr)):
if idx[i] < len(arr[i]):
obj = arr[i][idx[i]]
if type(obj) == tuple:
obj = obj[1]
elif cnt % 3 != 0: # hot problems appear less
continue
if obj not in used_pid:
res.append(obj)
used_pid.add(obj)
idx[i] += 1
stop = False
for obj in merged_array:
if type(obj) == tuple:
obj = obj[1]
if obj not in used_pid:
res.append(obj)
used_pid.add(obj)
return res
def get_queryset(self):