Data commit

Task/Ranking-methods/Ruby/ranking-methods.rb

@@ -0,0 +1,21 @@
+ar = "44 Solomon
+42 Jason
+42 Errol
+41 Garry
+41 Bernard
+41 Barry
+39 Stephen".lines.map{|line| line.split}
+grouped = ar.group_by{|pair| pair.shift.to_i}
+s_rnk = 1
+m_rnk = o_rnk = 0
+puts "stand.\tmod.\tdense\tord.\tfract."
+
+grouped.each.with_index(1) do |(score, names), d_rnk|
+  m_rnk += names.flatten!.size
+  f_rnk = (s_rnk + m_rnk)/2.0
+  names.each do |name|
+    o_rnk += 1
+    puts "#{s_rnk}\t#{m_rnk}\t#{d_rnk}\t#{o_rnk}\t#{f_rnk.to_s.sub(".0","")}\t#{score} #{name}"
+  end
+  s_rnk += names.size
+end