Commit cec7a07

@@ -6,13 +6,13 @@ mkdir -p tmp/graphs
 
 gnuplot << EOF
   set title 'time analysis'
-  set xlabel "Time (seconds)"
-  set ylabel "Input size (n)"
+  set xlabel "Input size (n)"
+  set ylabel "Time (seconds)"
   set grid
   set term png
   set output "tmp/graphs/$FILENAME.png"
   set datafile separator ","
-  set xrange [0:100]
+  set yrange [0:100]
   plot 'tmp/input.csv' with line
 EOF
 

@@ -168,8 +168,8 @@ describe "triplet sum" do
         start_time = Time.now
         triplet_sum(target, items)
         end_time = Time.now
-        puts "#{(end_time - start_time) * 1_000},#{items.size}"
-        file.write("#{(end_time - start_time) * 1_000},#{items.size}\n")
+        puts "#{items.size}: #{(end_time - start_time) * 1_000} seconds"
+        file.write("#{items.size},#{(end_time - start_time) * 1_000}\n")
       end
     end
   end