K-th permutation of first N integers

In this article, we will understand and explore about the concept of generating k-th lexicographical permutation of first N integers. There are O(N!) permutations but you can find it in O(N) time.

Table of contentsPermutation sequencekth permutation of first n integersComplexity analysis

This is similar to Leetcode problem 60. Permutation Sequence. Let us get started with this problem.

Permutation Sequence

Literally, permutation is the arrangement of objects in a definite order. Mathematica...