minor changes
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@ -38,11 +38,11 @@ class Submission < ActiveRecord::Base
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end
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end
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def normalized_score
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def normalized_score
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score / exercise.maximum_score
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score / exercise.maximum_score if score
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end
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end
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def percentage
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def percentage
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(normalized_score * 100).round
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(normalized_score * 100).round if score
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end
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end
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[:score, :stop].each do |action|
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[:score, :stop].each do |action|
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