master
test
finish renaming files and directories
add EncodeAndDecodeTinyURL.java
ExclusiveTimeOfFunctions.java
add InsertDeleteGetRandomO1.java
added edited version of LetterCombinationsOfAPhoneNumber.java
added modified solution for LongestConsecutiveSequence.java
added new MergeIntervals.java solution
adding new problems
add PalindromicSubstrings and PaintHouse