Created
March 22, 2019 00:32
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開設学類別のGPAを計算する
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| str = File.read("SIRS201519198.csv") | |
| def hyoka2gp(c) | |
| case c | |
| when 'A+' | |
| 4.3 | |
| when 'A' | |
| 4 | |
| when 'B' | |
| 3 | |
| when 'C' | |
| 2 | |
| when ?D | |
| 0 | |
| else | |
| -1 | |
| end | |
| end | |
| a = str.each_line.to_a | |
| a.shift | |
| kamoku = Struct.new("Kamoku", :bango, :tanisu, :hyoka) | |
| gp = Struct.new("GP", :sum_gp, :sum_tanisu) | |
| kamokus = [] | |
| a.each do |l| | |
| la = l.chomp.split('","') | |
| kamokus << kamoku.new(la[2],la[4].to_f,hyoka2gp(la[7])) | |
| end | |
| shizen = gp.new(0,0) | |
| joho = gp.new(0,0) | |
| sonota = gp.new(0,0) | |
| kamokus.each do |k| | |
| if k.hyoka >= 0 | |
| case k.bango | |
| when /^[FE]/ #旧自然学群科目 | |
| shizen.sum_tanisu += k.tanisu | |
| shizen.sum_gp += k.tanisu*k.hyoka | |
| when /^G/ #情報学群科目 | |
| joho.sum_tanisu += k.tanisu | |
| joho.sum_gp += k.tanisu*k.hyoka | |
| else | |
| sonota.sum_tanisu += k.tanisu | |
| sonota.sum_gp += k.tanisu*k.hyoka | |
| end | |
| end | |
| end | |
| puts "旧自然学群GPA: #{shizen.sum_gp/shizen.sum_tanisu}" | |
| puts "情報学群GPA: #{joho.sum_gp/joho.sum_tanisu}" | |
| puts "その他GPA: #{sonota.sum_gp/sonota.sum_tanisu}" | |
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