More or less successfull code (96.5/100).

Compilation:  PASSED
Style:        FAILED
Findbugs:     Potential bugs found.
API:          PASSED

Correctness:  19/20 tests passed
Memory:       8/8 tests passed
Timing:       9/9 tests passed

Raw score: 96.75% [Correctness: 65%, Memory: 10%, Timing: 25%, Style:
0%]

Failing test:
```
Creating new PercolationStats(200, 10)
------------------------------------------------
  *  confidenceLo() = 0.5415701022643917
  *  confidenceHi() = 0.6562998977356083
==> FAILED
```