Arrays Basics, 2D arrays, sliding window, prefix sums, Kadane’s, etc. Foundation for all other DSA problems. Strings Palindromes, anagrams, character frequency, pattern matching Frequently asked in ...

ABSTRACT: Ahead of the Internet of Things and the emergence of big data, the interest of research is today focused on radio access and the process of optimizing it or increasing its capacity and ...

Abstract: To address the challenge of ensuring a submarine can smoothly pass through a strait and complete its mission, this article proposes using a magnetic decoy array to simulate the submarine’s ...

Abstract: The time complexity of the Counting Sort algorithm is linear and is famous for sorting non-negative integers (0−positive). It runs well for a possible small difference between the smallest ...

Given an array of integers A sorted in non-decreasing order, return an array of the squares of each number, also in sorted non-decreasing order.