Given an array A of size n of integers in the range from 1 to n, we need to find the inverse permutation of that array. Inverse Permutation is a permutation which you will get by inserting position of ...

You are given an integer n and a 2D array requirements, where requirements[i] = [endi, cnti] represents the end index and the inversion count of each requirement. A pair of indices (i, j) from an ...