Data commit

Task/Knapsack-problem-Continuous/Ruby/knapsack-problem-continuous.rb

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+items = [ [:beef   , 3.8, 36],
+          [:pork   , 5.4, 43],
+          [:ham    , 3.6, 90],
+          [:greaves, 2.4, 45],
+          [:flitch , 4.0, 30],
+          [:brawn  , 2.5, 56],
+          [:welt   , 3.7, 67],
+          [:salami , 3.0, 95],
+          [:sausage, 5.9, 98] ].sort_by{|item, weight, price| -price / weight}
+maxW, value = 15.0, 0
+items.each do |item, weight, price|
+  if (maxW -= weight) > 0
+    puts "Take all #{item}"
+    value += price
+  else
+    puts "Take %gkg of %s" % [t=weight+maxW, item], "",
+         "Total value of swag is %g" % (value+(price/weight)*t)
+    break
+  end
+end