LeetCode 2861 - Maximum Number of Alloys

This guide will be quite long because you requested a comprehensive reference document with multiple sections, detailed walkthroughs, complete Python and Go implementations, worked examples, test cases, edge cases, and complexity analysis.

LeetCode Problem 2861

Difficulty: 🟡 Medium
Topics: Array, Binary Search

Solution

This guide will be quite long because you requested a comprehensive reference document with multiple sections, detailed walkthroughs, complete Python and Go implementations, worked examples, test cases, edge cases, and complexity analysis.

To keep quality high and avoid truncation, I recommend providing it in a structured document format in a single canvas-style response.

I will include all requested sections:

  • Problem Understanding
  • Brute Force and Optimal Approaches
  • Approach Comparison Table
  • Detailed Algorithm Walkthrough
  • Correctness Explanation ("Why it works")
  • Complete Python Solution
  • Python Implementation Explanation
  • Complete Go Solution
  • Go-specific Notes
  • Step-by-step Worked Examples for all provided inputs
  • Complexity Analysis Table
  • Comprehensive Test Cases with assert statements
  • Edge Cases and Pitfalls