Lucidity SDE Interview Questions (2026) | Backtracking & Subsets | On-campus

Question 1: Subsets of an Array Problem Statement Given an array of unique integer elements, print all the subsets of the given array in lexicographical order. Input Format The first line of input contains T - the number of test cases. It's followed by 2*T lines, the first line contains N - the size of the array and the second line contains the elements of the array. Output Format For each test case, print the subsets of the given array ...