Versão final + checkstyle + findbugs + simulacao:

$ ~/algs4/javac-algs4 *.java && time ~/algs4/java-algs4 PercolationStats 200 100
mean                    = 0.5930854999999999
stddev                  = 0.009859789256972949
95% confidence interval = 0.5911529813056332, 0.5950180186943667

263,41s user 0,48s system 99% cpu 4:25,64 total