Additional Number

You are given two integer arrays $-$ $A$ and $B$. The first array has $N$ elements, and the second array has $N+1$ elements. The second array ($B$) contains all the elements of the first array ($A$) (not necessarily the same order) and **1 additional element**. You need to find the additional element present in $B$. ### Input - First line contains an integer $N$, length of $A$ - Second line con