BUBBLE SORT USING RUBY . ARRAY SIZE 500

The following graph shows the time taken to execute
an algorithm with an array size of 500 using ruby 
language. Graph is plotted for 5 consecutive executions.

The values for plotting the above graph is taken 
from the values which is produced with the help of 
time command.
Mon Apr  7 18:34:34 IST 2014

real	0m0.219s
user	0m0.060s
sys	0m0.004s

real	0m0.045s
user	0m0.040s
sys	0m0.004s

real	0m0.055s
user	0m0.052s
sys	0m0.000s

real	0m0.056s
user	0m0.052s
sys	0m0.000s

real	0m0.049s
user	0m0.048s
sys	0m0.000s