Given an array nums and an integer k, return the number of non-empty subarrays that have a sum divisible by k. A subarray is a contiguous

Given an integer array nums return an array result such that result.length == nums.length and result[i] is the absolute difference between

Given a binary array nums and an integer goal, return the number of subarrays with a sum equal to goal. A subarray is a contiguous part of

Given an integer array nums and an integer k, return the total number of subarrays in nums whose sum is equal to k. A subarray is a

Given an integer array nums, find the middle index in array, middleIndex. Note that you must find the leftmost middle index in nums array.