* Q. Given an array arr[] of unique elements. Generate all possible permutations of the elements in the array. * Note: You can return the permutations in any order, the driver code will print them in ...

Given an array like nums = [1, 2, 3], the next permutation is [1, 3, 2]. If it's the last permutation like [3, 2, 1], then the next should be the smallest one: [1, 2, 3]. Steps: 1.Find the first index ...