Number of Ways to Assign Edge Weights I | LeetCode 3558 | Tree + Math + Binary Exponentiation

Can you count the number of valid edge-weight assignments without generating every possibility? In this video, we solve LeetCode 3558 - Number of Ways to Assign Edge Weights I using a clean mathematical observation on trees and binary assignments. 💡 What you'll learn: ✅ Tree Traversal Fundamentals ✅ Maximum Depth Node Observation ✅ Path-Based Problem Reduction ✅ Odd Sum Pattern Analysis ✅ Binary Assignment Counting ✅ Fast Mathematical Solution 📌 Problem Overview: You are given a rooted tree where each edge can be assigned either weight 1 or 2. Choose any node at the maximum depth and consider only the path from the root to that node. Your task is to count the number of ways to assign weights such that the total path cost is odd. 🔥 Topics Covered: • Trees & DFS • Maximum Depth Computation • Path Analysis • Combinatorics • Mathematical Observation • Modular Arithmetic • Interview Problem Solving 🎯 Helpful For: • Google Interview Preparation • Amazon Coding Interviews • Meta Coding Rounds • Microsoft Interview Preparation • Tree-Based Problems • Competitive Programming • LeetCode Medium Questions ⚡ This is a great problem for understanding how a seemingly tree-based question can be simplified into a mathematical counting problem. 👇 Before watching the solution, try solving it yourself and comment your approach! ⭐ Subscribe for Daily LeetCode Solutions, System Design, HLD, LLD, and Coding Interview Preparation. #LeetCode3558,#BinaryExponentiation,#FastPower,#TreeProblems,#DFS,#BFS,#ModularArithmetic,#DSA,#Algorithms,#CodingInterview,#LeetCodeSolution,#CompetitiveProgramming,#GraphTheory,#SoftwareEngineer,#InterviewPreparation