Skill Topic · Cinematic

📘 DSA — DP Classic Problems

Interviews ke sabse famous DP problems — master karo sab! 🏆

Overview

📘 DSA — DP Classic Problems — Quick Facts

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Shopping Concept: DP Problem

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Bag space limit: 0/1 Knapsack

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Maximum value items: Maximize value

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Take or leave item: Take/Skip decision

Topic 1

🎯 Real-World Analogy: Shopping Budget Planner 🛍️💰

📚 Classic DP samajhne ka best tareeqa: limited budget me shopping! 🛍️ **Limited bag space =…

Topic 2

📌 1. Knapsack Problems

💡 Bag me kitna value bharoge? Weight limit hai! `javascript // ═══ 0/1 Knapsack — har item…

Topic 3

📌 2. Coin Change Problems

🎯 Exact amount pay karo — minimum coins ya total ways! `javascript // ═══ Minimum Coins —…

Topic 4

📌 3. Longest Common Subsequence (LCS)

⭐ Do strings me common kya hai? `mermaid graph TD A["LCS Rule"] --> B["Match?\ndp[i][j] =…

Topic 5

📌 4. Edit Distance

🔑 Ek word ko dusre me convert karo — min operations! `javascript // ═══ Edit Distance…

Topic 6

📌 5. Longest Increasing Subsequence (LIS)

✨ `javascript // ═══ LIS — O(n²) DP ═══ function lengthOfLIS(nums) { const dp = new…

Topic 7

📌 6. Grid DP

🌟 Mall me top-left se bottom-right — kitne raaste? `javascript // ═══ Unique Paths ═══…

Topic 8

📌 7. Palindrome DP

🚀 `javascript // ═══ Longest Palindromic Substring ═══ function longestPalindrome(s) {…

Topic 9

📌 8. Subset / Partition

📚 `javascript // ═══ Partition Equal Subset Sum ═══ function canPartition(nums) { const…

Topic 10

🚫 Common Mistakes

💡 | # | Galti ❌ | Sahi Tareeqa ✅ | |---|---|---| | 1 | 0/1 me forward iterate | Reverse…

Topic 11

💪 Practice Exercises

🎯 | Level | Exercise | Hint | |---|---|---| | 🟢 Beginner | Coin Change minimum | Unbounded…

Topic 12

📋 Summary Table

⭐ | Topic | Key Takeaway | |---|---| | 0/1 Knapsack | Take/skip, reverse iterate 1D | |…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quick Quiz

Quiz — Question 1

📘 DSA — DP Classic Problems ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

📘 DSA — DP Classic Problems ka 'Bag space limit' kya hai?

Complete! 🎉

📘 DSA — DP Classic Problems Complete!

Aliens School · HIEN · Cinematic Knowledge

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