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class ReportController < ApplicationController
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before_filter :admin_authorization, only: [:login_stat,:submission_stat, :stuck]
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before_filter(only: [:problem_hof]) { |c|
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return false unless authenticate
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if GraderConfiguration["right.user_view_submission"]
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return true;
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end
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admin_authorization
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}
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def login_stat
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@logins = Array.new
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date_and_time = '%Y-%m-%d %H:%M'
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begin
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md = params[:since_datetime].match(/(\d+)-(\d+)-(\d+) (\d+):(\d+)/)
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@since_time = Time.zone.local(md[1].to_i,md[2].to_i,md[3].to_i,md[4].to_i,md[5].to_i)
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rescue
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@since_time = DateTime.new(1000,1,1)
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end
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begin
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md = params[:until_datetime].match(/(\d+)-(\d+)-(\d+) (\d+):(\d+)/)
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@until_time = Time.zone.local(md[1].to_i,md[2].to_i,md[3].to_i,md[4].to_i,md[5].to_i)
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rescue
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@until_time = DateTime.new(3000,1,1)
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end
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User.all.each do |user|
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@logins << { id: user.id,
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login: user.login,
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full_name: user.full_name,
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count: Login.where("user_id = ? AND created_at >= ? AND created_at <= ?",
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user.id,@since_time,@until_time)
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.count(:id),
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min: Login.where("user_id = ? AND created_at >= ? AND created_at <= ?",
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user.id,@since_time,@until_time)
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.minimum(:created_at),
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max: Login.where("user_id = ? AND created_at >= ? AND created_at <= ?",
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user.id,@since_time,@until_time)
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.maximum(:created_at),
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ip: Login.where("user_id = ? AND created_at >= ? AND created_at <= ?",
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user.id,@since_time,@until_time)
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.select(:ip_address).uniq
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}
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end
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end
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def submission_stat
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date_and_time = '%Y-%m-%d %H:%M'
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begin
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@since_time = DateTime.strptime(params[:since_datetime],date_and_time)
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rescue
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@since_time = DateTime.new(1000,1,1)
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end
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begin
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@until_time = DateTime.strptime(params[:until_datetime],date_and_time)
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rescue
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@until_time = DateTime.new(3000,1,1)
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end
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@submissions = {}
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User.find_each do |user|
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@submissions[user.id] = { login: user.login, full_name: user.full_name, count: 0, sub: { } }
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end
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Submission.where("submitted_at >= ? AND submitted_at <= ?",@since_time,@until_time).find_each do |s|
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if @submissions[s.user_id]
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if not @submissions[s.user_id][:sub].has_key?(s.problem_id)
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a = nil
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begin
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a = Problem.find(s.problem_id)
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rescue
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a = nil
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end
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@submissions[s.user_id][:sub][s.problem_id] =
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{ prob_name: (a ? a.full_name : '(NULL)'),
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sub_ids: [s.id] }
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else
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@submissions[s.user_id][:sub][s.problem_id][:sub_ids] << s.id
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end
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@submissions[s.user_id][:count] += 1
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end
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end
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end
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def problem_hof
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# gen problem list
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@user = User.find(session[:user_id])
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@problems = @user.available_problems
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# get selected problems or the default
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if params[:id]
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begin
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@problem = Problem.available.find(params[:id])
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rescue
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redirect_to action: :problem_hof
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flash[:notice] = 'Error: submissions for that problem are not viewable.'
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return
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end
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end
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return unless @problem
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@by_lang = {} #aggregrate by language
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range =65
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@histogram = { data: Array.new(range,0), summary: {} }
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@summary = {count: 0, solve: 0, attempt: 0}
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user = Hash.new(0)
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Submission.where(problem_id: @problem.id).find_each do |sub|
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#histogram
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d = (DateTime.now.in_time_zone - sub.submitted_at) / 24 / 60 / 60
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@histogram[:data][d.to_i] += 1 if d < range
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next unless sub.points
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@summary[:count] += 1
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user[sub.user_id] = [user[sub.user_id], (sub.points >= @problem.full_score) ? 1 : 0].max
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lang = Language.find_by_id(sub.language_id)
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next unless lang
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next unless sub.points >= @problem.full_score
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#initialize
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unless @by_lang.has_key?(lang.pretty_name)
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@by_lang[lang.pretty_name] = {
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runtime: { avail: false, value: 2**30-1 },
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memory: { avail: false, value: 2**30-1 },
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length: { avail: false, value: 2**30-1 },
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first: { avail: false, value: DateTime.new(3000,1,1) }
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}
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end
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if sub.max_runtime and sub.max_runtime < @by_lang[lang.pretty_name][:runtime][:value]
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@by_lang[lang.pretty_name][:runtime] = { avail: true, user_id: sub.user_id, value: sub.max_runtime, sub_id: sub.id }
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end
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if sub.peak_memory and sub.peak_memory < @by_lang[lang.pretty_name][:memory][:value]
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@by_lang[lang.pretty_name][:memory] = { avail: true, user_id: sub.user_id, value: sub.peak_memory, sub_id: sub.id }
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end
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if sub.submitted_at and sub.submitted_at < @by_lang[lang.pretty_name][:first][:value] and
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!sub.user.admin?
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@by_lang[lang.pretty_name][:first] = { avail: true, user_id: sub.user_id, value: sub.submitted_at, sub_id: sub.id }
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end
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if @by_lang[lang.pretty_name][:length][:value] > sub.effective_code_length
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@by_lang[lang.pretty_name][:length] = { avail: true, user_id: sub.user_id, value: sub.effective_code_length, sub_id: sub.id }
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end
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end
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#process user_id
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@by_lang.each do |lang,prop|
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prop.each do |k,v|
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v[:user] = User.exists?(v[:user_id]) ? User.find(v[:user_id]).full_name : "(NULL)"
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end
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end
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#sum into best
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if @by_lang and @by_lang.first
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@best = @by_lang.first[1].clone
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@by_lang.each do |lang,prop|
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if @best[:runtime][:value] >= prop[:runtime][:value]
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@best[:runtime] = prop[:runtime]
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@best[:runtime][:lang] = lang
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end
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if @best[:memory][:value] >= prop[:memory][:value]
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@best[:memory] = prop[:memory]
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@best[:memory][:lang] = lang
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end
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if @best[:length][:value] >= prop[:length][:value]
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@best[:length] = prop[:length]
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@best[:length][:lang] = lang
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end
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if @best[:first][:value] >= prop[:first][:value]
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@best[:first] = prop[:first]
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@best[:first][:lang] = lang
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end
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end
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end
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@histogram[:summary][:max] = [@histogram[:data].max,1].max
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@summary[:attempt] = user.count
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user.each_value { |v| @summary[:solve] += 1 if v == 1 }
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end
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def stuck #report struggling user,problem
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# init
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user,problem = nil
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solve = true
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tries = 0
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@struggle = Array.new
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record = {}
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Submission.includes(:problem,:user).order(:problem_id,:user_id).find_each do |sub|
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next unless sub.problem and sub.user
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if user != sub.user_id or problem != sub.problem_id
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@struggle << { user: record[:user], problem: record[:problem], tries: tries } unless solve
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record = {user: sub.user, problem: sub.problem}
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user,problem = sub.user_id, sub.problem_id
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solve = false
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tries = 0
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end
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if sub.points >= sub.problem.full_score
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solve = true
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else
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tries += 1
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end
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end
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@struggle.sort!{|a,b| b[:tries] <=> a[:tries] }
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@struggle = @struggle[0..50]
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end
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def multiple_login
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raw = Submission.joins(:user).joins(:problem).where("problems.available != 0").group("login,ip_address").order(:login)
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last,count = 0,0
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@multiple = []
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raw.each do |r|
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if last != r.user.login
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count = 1
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else
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@multiple << r
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end
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end
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end
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end
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