A subarray is a contiguous portion of an array. In simple terms, a subarray consists of one or more consecutive elements of the array in the exact order as they ...

When preparing for Data Structures and Algorithms (DSA) interviews, it's crucial to master certain patterns that frequently arise in array problems. Here are five fundamental patterns, each explained ...

You are given an array (ARR) of length N, consisting of integers. You have to find the sum of the subarray (including empty subarray) having maximum sum among all subarrays. A subarray is a contiguous ...

[ 1 2 3 ] [ 4 5 6 ] [ 7 8 9 ] The answer should be 5 since the longest path would be 1-2-5-6-9]() import heapq def max_three(arr): a = heapq.nlargest(3, arr ...