Added reference to HackerRank Fundamental Mathematics Problem 'Connecting Towns'.
Added reference to HackerRank Fundamental Mathematics Problem 'Connecting Towns'.

shivkrthakur/HackerRankSolutions,shivkrthakur/HackerRankSolutions,shivkrthakur/HackerRankSolutions,shivkrthakur/HackerRankSolutions