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Given an integer array nums and an integer k, return the k most frequent elements. You may return the answer in any order. Example 1: Input: nums =...
Given an array of strings strs, group the anagrams together. You can return the answer in any order. An Anagram is a word or phrase formed by...
Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to the target. You may assume that each...
Given two strings s and t, return true if t is an anagram of s, and false otherwise. An Anagram is a word or phrase formed by rearranging the letters...