You are given an integer array gifts denoting the number of gifts in various piles. Every second, you do the following: Choose the pile with the maximum number of gifts.If there is more than one pile

You are given a 0-indexed integer array nums and an integer k. You have a starting score of 0. In one operation:choose an index i such that 0 <= i < nums.length,increase your score by nums[

You are playing a video game where you are defending your city from a group of n monsters. You are given a 0-indexed integer array dist of size n, where dist[i] is the initial distance in kilometers o

You are given two strings start and target, both of length n. Each string consists only of the characters ‘L’, ‘R’, and ‘_’ where: The characters ‘L’ and ‘R’ represent pieces, where a piece ‘L’ can mo

You are given a floating-point number hour, representing the amount of time you have to reach the office. To commute to the office, you must take n trains in sequential order. You are also given an in

You are given two strings s and t consisting of only lowercase English letters. Return the minimum number of characters that need to be appended to the end of s so that t becomes a subsequence of s. A

You are given an integer array nums and an integer k. Find the maximum subarray sum of all the subarrays of nums that meet the following conditions:The length of the subarray is k, andAll the elements

A teacher is writing a test with n true/false questions, with ‘T’ denoting true and ‘F’ denoting false. He wants to confuse the students by maximizing the number of consecutive questions with the

For two strings s and t, we say “t divides s” if and only if s = t + … + t (i.e., t is concatenated with itself one or more times). Given two strings str1 and str2, return the largest string x su

You are given a 0-indexed array nums of n integers, and an integer k. The k-radius average for a subarray of nums centered at some index i with the radius k is the average of all elements in nums betw