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Dev.to
6/15/2026
🚀 LeetCode 329: Longest Increasing Path in a Matrix (DFS + Memoization) | Easy Explanation

🚀 LeetCode 329: Longest Increasing Path in a Matrix (DFS + Memoization) | Easy Explanation

Short summary

Tutorial on solving LeetCode problem 329 (Longest Increasing Path in a Matrix) using DFS with memoization. Demonstrates how memoization optimizes naive recursion from exponential to O(m*n) time complexity. Includes complete Java implementation with step-by-step example walkthrough.

  • Covers LeetCode 329 using DFS + memoization pattern
  • Explains exponential time complexity problem and memoization solution
  • Provides full Java code with detailed trace walkthrough

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