Tag: most_common

Teaching Kids Programming: Videos on Data Structures and Algorithms Given an array of integers arr and an integer k. Find the least number of unique integers after removing exactly …

Teaching Kids Programming: Videos on Data Structures and Algorithms You are given an integer array arr. You can choose a set of integers and remove all the occurrences of …

Teaching Kids Programming: Videos on Data Structures and Algorithms Given an integer array nums and an integer k, return the k most frequent elements. You may return the answer …