2081. Sum of k-Mirror Numbers | Leetcode Daily - Python
🧋 Support the channel! Buy me a boba: https://www.buymeaboba.com
Dive deep into LeetCode 2081: Sum of k-Mirror Numbers! This problem challenges us to find numbers that are palindromes in both base-10 and another base 'k'.
In this video, we'll break down this tricky problem into simple, understandable steps. We'll start by exploring why a simple brute-force approach is too slow. Then, we'll implement a much smarter solution using the "Generate, Don't Check" principle, where we efficiently create base-10 palindromes and then test them. We'll walk through the Python code for this method line by line.
Finally, we'll uncover a powerful contest-winning trick: precomputation. Given the problem's small constraints, we can pre-calculate every possible answer for an incredibly fast O(1) solution. We'll compare the time and space complexity of both strategies to help you understand the trade-offs.
Perfect for coding interview preparation and improving problem-solving skills.
👍 Like, Subscribe, and Comment! Let me know what problems you'd like to see solved.
Solution Link:
https://leetcode.com/problems/sum-of-...
#leetcode #python #algorithms #codinginterview #dailycoding