Create 56MergedIntervals.java

Create 49GroupAnagrams.java

Rename ValidParentheses.java to 20ValidParentheses.java

Update ValidParentheses.java

Create 1007MinDominoRotation.java

Create 53maxArray.java

Update 45JumpGameII.java

Create 45JumpGameII.java

Create 413ArithmeticSlices.java

Create 33SearchRotatedSortedArray.java

Create 3392CountSubarraysLengthThreeWithCondition.java

Create 72EditDistance.java

Create 5LongestPalindromicSubstring.java

Create 3LongestSubstringWithoutRepeatingCharacters.java

Rename 2873MaximumValueofanOrderedTripletI to 2873MaximumValueofanOrderedTripletI.java