Permutations of array in java.Given array of distinct integers, print all permutations of the array.

Create a function permute that takes two parameters: the array to be permuted and the current…

Answered: Permutations of array in java. Given…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Permutations of array in java.
Given array of distinct integers, print all permutations of the array.

Expert Solution

Step 1: Elaborating the Algorithm

Create a function permute that takes two parameters: the array to be permuted and the current index.
If the current index is equal to the length of the array then it means we have generated a permutation and Print the array.
Otherwise iterate through the array starting from the current index :
- a. Swap the current element with the element at the current index.
- b. Recursively call permute with the incremented current index.
- c. Swap back the elements to maintain the original array for the next iteration.

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