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Distinct Subsequences

hard Solve on LeetCode

Last edited: January 4, 2026

Problem
Examples
Example 1
Example 2
Solution
Method 1 – Top-Down Dynamic Programming (Memoization)
Intuition
Approach
Code
Method 2 – Dynamic Programming (2D DP Table)
Intuition
Approach
Code
Complexity

Related Tags

dynamic-programming leetcode string todo

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