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πŸš€ Dynamic Programming (DP) – The Brain of DSA 🧠

Dynamic Programming is one of the most powerful techniques in problem-solving. It’s all about breaking a complex problem into smaller overlapping subproblems, solving each subproblem once, and storing the results for reuse.

✨ Why DP matters?
Avoids repeated work ➝ makes algorithms efficient.

Solves problems that plain recursion or brute force cannot handle in time.

Forms the backbone of advanced algorithms in AI, bioinformatics, and optimization.

πŸ“Œ Key Ideas in DP:
1. Overlapping Subproblems β†’ Solve once, reuse results.

2. Optimal Substructure β†’ The solution to a problem depends on solutions to smaller subproblems.

3. Memoization (Top-Down) β†’ Store results of recursive calls.

4. Tabulation (Bottom-Up) β†’ Build a table iteratively to reach the final answer.

⚑ Classic DP Problems:
Fibonacci Numbers πŸ”’
Longest Common Subsequence
Unique Paths in a Grid πŸ€–

Knapsack Problem πŸŽ’

πŸ‘‰ Mastering DP = unlocking the ability to solve the toughest algorithmic problems efficiently.

πŸ’‘ Remember: Think recursive, optimize with memory.

#DSA #DynamicProgramming #Coding
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