LeetCode 1780 - Check if Number is a Sum of Powers of Three
Parent index: LeetCode Problem Index Set 2 MOC
Problem Metadata
- LeetCode URL: https://leetcode.com/problems/check-if-number-is-a-sum-of-powers-of-three/
- Frontend ID: 1780
- Difficulty: Medium
- Primary category: Math & Number Theory
- Source lists: NeetCode Practice
Related Algorithms
Research Status
- Problem statement and constraints verified against the LeetCode page.
- Core algorithm explained in paper-style prose.
- Worked examples, edge cases, complexity proof, and pitfalls added.
- Solution variants linked back to the relevant algorithm notes.