#recursion
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[Problem Link] https://leetcode.com/problems/subsets/ · class Solution { private List<List<Integer>> ans; public void generate(int i, int[]...
[Problem Link] https://leetcode.com/problems/balanced-binary-tree/ · class Solution { public boolean ans = true; public int...
![#78.Subsets [LeetCode Grind 75 in Java]](https://cdn.hashnode.com/res/hashnode/image/upload/v1683525313231/RC4cg5koq.png?w=1600&h=840&fit=crop&crop=entropy&auto=format&auto=compress,format&format=webp)