**Input Format:** - First line contains an integer **N** (1 <= N <= 10^6), the size of the array.- Second line contains **N** integers **a[i]** (1 <= a[i] <= N ...

The periodic table contains elements that range from incredibly common to almost impossible to find. Some exist only in tiny traces or appear for mere moments before disappearing. The rarest elements ...

Picture all of Earth’s oceans, which cover about 70% of the planet and are mostly made of hydrogen. Now multiply that by nine. That may be the amount of hydrogen in Earth’s core, possibly making it ...

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 ...

Snapchat remains one of the most widely used social media apps, known for its fun filters, disappearing snaps, and instant photo-sharing features. However, many Android users face a common frustration ...

Abstract: The embedded element efficiency (EEE), which quantifies mutual coupling in antenna arrays, critically limits the signal-to-noise ratio in large-scale array communications. However, ...