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You are given an integer array nums with the following properties: nums.length == 2 * n. nums contains n + 1 unique elements. Exactly one element...
We define the conversion array conver of an array arr as follows: conver[i] = arr[i] + max(arr[0..i]) where max(arr[0..i]) is the maximum value of...
Given an integer array arr, return the mean of the remaining integers after removing the smallest 5% and the largest 5% of the elements. Answers...
Given a string s containing only lowercase English letters and the '?' character, convert all the '?' characters into lowercase letters such that the...
A sentence is a list of tokens separated by a single space with no leading or trailing spaces. Every token is either a positive number consisting of...
You are given an integer num. You can swap two digits at most once to get the maximum valued number. Return the maximum valued number you can...