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Given a string paragraph and a string array of the banned words banned, return the most frequent word that is not banned. It is guaranteed there is at...
You are given an array of strings names, and an array heights that consists of distinct positive integers. Both arrays are of length n. For each index...
You are given two arrays with positive integers arr1 and arr2. A prefix of a positive integer is an integer formed by one or more of its digits,...
You have a set of integers s, which originally contains all the numbers from 1 to n. Unfortunately, due to some error, one of the numbers in s got...
