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Decode Ways

medium Solve on LeetCode

Last edited: October 11, 2025

Problem
Examples
Similar Problems
Solution
Video explanation
Method 1 - Recursion
Code
Complexity
Dry Run
Method 2 - Top Down DP with Memoization OR DFS with Cache
Code
Complexity
Method 3 - Bottom up DP
Base Cases
Filling the DP Table
Code
Complexity
Method 4 - Space-optimized Bottom-up DP
Code
Complexity

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Decode Ways IIHard

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