Explanation: Total number of unique elements are 3, i.e[1,2,3] and Therefore return 3 after assigning [1,2,3] in the beginning of the array. Explanation: Total number of unique elements are 4, i.e[1,2 ...

Abstract: This communication presents a limited-scan phased array antenna (PAA) design, incorporating interleaved directors to achieve high gain and suppressed grating lobes for both horizontal (HP) ...

The US is looking to diversify its rare earth supply chain. Credit: evan_huang/Shutterstock.com. In April, China imposed a new round of export controls on seven rare earth elements (REEs) that are ...

Google is testing a feature that helps Chrome detect and warn about duplicate tabs. When enabled, the feature declutters your tab strip, including inactive tabs, to keep your tab bar tidy and clean.

// Given an array of integers nums sorted in non-decreasing order, find the starting and ending position of a given target value. // If target is not found in the array, return [-1, -1]. // You must ...