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Grokking the Coding Interview Patterns in C++

Next Permutation

Explore how to rearrange an array of integers to the next lexicographically greater permutation using the two pointers technique. Understand the logic to efficiently solve permutations in-place with constant memory, and practice coding the solution to enhance your problem-solving skills.

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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 [4,5,6][4, 5, 6], the next permutation is [4,6,5][4, 6, 5] ...