update

Author: Shikha-code36

Backtracking/46-Permutations.py

@@ -1,5 +1,5 @@
+'''Leetcode- https://leetcode.com/problems/permutations/'''
 '''
-                                Permutations
 Given an array nums of distinct integers, return all the possible permutations. You can return the answer in any order.
 
 Example 1:

Backtracking/78-Subsets.py

@@ -1,5 +1,5 @@
-'''
-                              Subsets    
+'''Leetcode- https://leetcode.com/problems/subsets/'''
+'''                   
 Given an integer array nums of unique elements, return all possible subsets (the power set).
 
 The solution set must not contain duplicate subsets. Return the solution in any order.

Backtracking/90-Subsets-II.py

@@ -1,5 +1,5 @@
+'''Leetcode- https://leetcode.com/problems/subsets-ii/'''
 '''
-                                    Subsets II
 Given an integer array nums that may contain duplicates, return all possible subsets (the power set).
 
 The solution set must not contain duplicate subsets. Return the solution in any order.