We read every piece of feedback, and take your input very seriously.
To see all available qualifiers, see our documentation.
There was an error while loading. Please reload this page.
Choosing recursion solves certain problems much easier than using a stack or a queue (using deque).
Here is an example: Problem: https://leetcode.com/problems/symmetric-tree/description/ Solution: https://github.com/goungoun/leetcode/blob/main/Tree/symetric_tree.py