Merge branch 'master' into DFSmethods

Author: LyashenkoGS

README.md

@@ -1,10 +1,11 @@
 # GoogleHashCode2017  
-hash tags: #hashcode #2017 #googleHashCode 
 ![google hash code logo](./documentation/logo.png)
+hash tags: #hashcode #2017 #googleHashCode 
+[![Join the chat at https://gitter.im/GoogleHashCode2017/Lobby](https://badges.gitter.im/GoogleHashCode2017/Lobby.svg)](https://gitter.im/GoogleHashCode2017/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 [![Build Status](https://travis-ci.org/LyashenkoGS/GoogleHashCode2017.svg?branch=master)](https://travis-ci.org/LyashenkoGS/GoogleHashCode2017)
 
 ##Pizza
-Practice problem for the Google HashCode 2017
+Practice problem for the Google HashCode 2017. Current version works correctly for example input only.
 
 * original assignment - [Task.pdf](./documentation/TaskDescription.pdf)
 * [input data sets](./inputDataSets)