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Group AnagramsGiven an array of strings strs, group the anagrams together. You can return the answer in any order. Example 1:Input: strs = ["eat","tea","tan","ate","nat","bat"]Output: [["bat"],["nat","tan"],["ate","eat","tea"]]Explanation:There is no string in strs that can be rearranged to form "bat".The strings "nat" and "tan" are anagrams as they can be rearranged to form each other.The strin..

Summary RangesYou are given a sorted unique integer array nums.A range [a,b] is the set of all integers from a to b (inclusive).Return the smallest sorted list of ranges that cover all the numbers in the array exactly. That is, each element of nums is covered by exactly one of the ranges, and there is no integer x such that x is in one of the ranges but not in nums.Each range [a,b] in the list s..