Description https://leetcode.com/problems/reorder-data-in-log-files/ You are given an array of logs. Each log is a space-delimited string of words, where the first word…

Description https://leetcode.com/problems/maximum-product-difference-between-two-pairs/ The product difference between two pairs (a, b) and (c, d) is defined as (a * b) – (c * d). For example, the product…

Description https://leetcode.com/problems/make-two-arrays-equal-by-reversing-sub-arrays/ Given two integer arrays of equal length target and arr. In one step, you can select any non-empty sub-array of arr and reverse it. You…

Description https://leetcode.com/problems/all-paths-from-source-to-target/ The product sum of two equal-length arrays a and b is equal to the sum of a[i] * b[i] for all 0 <= i < a.length (0-indexed). For…

Description https://leetcode.com/problems/insert-interval/ Given a set of non-overlapping intervals, insert a new interval into the intervals (merge if necessary). You may assume that…

Description https://leetcode.com/problems/distance-between-bus-stops/ A bus has n stops numbered from 0 to n – 1 that form a circle. We know the distance between all pairs of neighboring stops…

Description https://leetcode.com/problems/check-if-array-is-sorted-and-rotated/ You are given an array of distinct integers arr and an array of integer arrays pieces, where the integers in pieces are distinct. Your goal is…

Description https://leetcode.com/problems/check-if-array-is-sorted-and-rotated/ Given an array nums, return true if the array was originally sorted in non-decreasing order, then rotated some number of positions (including zero).…

Description https://leetcode.com/problems/find-the-duplicate-number/ Given an array of integers nums containing n + 1 integers where each integer is in the range [1, n] inclusive. There is only one…

Description https://leetcode.com/problems/can-place-flowers/ You have a long flowerbed in which some of the plots are planted, and some are not. However,…