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Grokking the Coding Interview Patterns in Python

Solution: Next Permutation

Explore how to compute the next greater lexicographical permutation of a number array by identifying pivot and successor elements using two pointers. Understand the in-place approach that efficiently reverses array suffixes to achieve minimal increases, while maintaining constant space and linear time complexities.

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Statement

Your task is to rearrange an array, nums, containing positive integers to form the next lexicographically greater permutationA permutation of an array of integers refers to any ordering of its elements into a sequence or linear arrangement.. This means finding the next permutation in the sequence of all possible arrangements sorted in dictionary order.

For example, given the array  ...