Code and Debug

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Welcome to Code and Debug! At Code and Debug, we empower aspiring programmers and developers to master Data Structures and Algorithms, Python programming, and interview preparation through easy-to-follow tutorials and insightful videos. Whether you're a beginner taking your first steps in coding or an experienced professional polishing your skills, our channel is your go-to resource for: In-depth coding tutorials and problem-solving techniques Competitive programming strategies Step-by-step interview guidance Real-world projects and coding challenges With a proven track record of training over 15,000+ students online and helping them land their dream jobs, we are passionate about making coding simple, fun, and accessible for everyone. Join our community of coders today, and let’s code, debug, and succeed together! Stay tuned for weekly uploads packed with value, and don’t forget to subscribe to stay updated on the latest in the tech world!

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Complete Low Level Design Course in Python | Design Patterns & SOLID Principles

Complete Low Level Design Course in Python | Design Patterns & SOLID Principles Code and Debug

582 views - 16 hours ago

Stop Making These 7 Resume Mistakes | Why Freshers Don't Get Interview Calls

Stop Making These 7 Resume Mistakes | Why Freshers Don't Get Interview Calls Code and Debug

400 views - 5 days ago

DSA in Python - Count Distinct Substrings | Brute Force vs Trie Approach | Naukri Code360 | Part 230

DSA in Python - Count Distinct Substrings | Brute Force vs Trie Approach | Naukri Code360 | Part 230 Code and Debug

3.9K views - 5 months ago

DSA in Python - Complete String | Trie Based Prefix Checking | Part 229 [Hindi]

DSA in Python - Complete String | Trie Based Prefix Checking | Part 229 [Hindi] Code and Debug

682 views - 5 months ago

DSA in Python - Implement Trie II | Insert, Count, and Erase Operations | Part 228 [Hindi]

DSA in Python - Implement Trie II | Insert, Count, and Erase Operations | Part 228 [Hindi] Code and Debug

461 views - 5 months ago

DSA in Python - Implement Trie (Prefix Tree) | Insert, Search, startsWith | Part 227 [Hindi]

DSA in Python - Implement Trie (Prefix Tree) | Insert, Search, startsWith | Part 227 [Hindi] Code and Debug

694 views - 5 months ago

DSA in Python - Roman to Integer | Mapping + Subtraction Rule | LeetCode 13 | Part 226 [Hindi]

DSA in Python - Roman to Integer | Mapping + Subtraction Rule | LeetCode 13 | Part 226 [Hindi] Code and Debug

1.1K views - 5 months ago

DSA in Python - Maximum Nesting Depth of the Parentheses | Depth Counter | Part 225 [Hindi]

DSA in Python - Maximum Nesting Depth of the Parentheses | Depth Counter | Part 225 [Hindi] Code and Debug

616 views - 5 months ago

Sort Characters By Frequency | Hash Map + Sort/Heap (O(n + k log k)) | Part 224 [Hindi]

Sort Characters By Frequency | Hash Map + Sort/Heap (O(n + k log k)) | Part 224 [Hindi] Code and Debug

855 views - 5 months ago

DSA in Python - Valid Anagram | Hash Map vs Sorting (O(n) vs O(n log n)) | Part 223 [Hindi]

DSA in Python - Valid Anagram | Hash Map vs Sorting (O(n) vs O(n log n)) | Part 223 [Hindi] Code and Debug

1.1K views - 5 months ago

DSA in Python - Rotate String | s+s Substring Trick (O(n)) | Part 222 [Hindi]

DSA in Python - Rotate String | s+s Substring Trick (O(n)) | Part 222 [Hindi] Code and Debug

750 views - 5 months ago

DSA in Python - Isomorphic Strings | Bidirectional Hash Maps (O(n)) | Part 221 [Hindi]

DSA in Python - Isomorphic Strings | Bidirectional Hash Maps (O(n)) | Part 221 [Hindi] Code and Debug

1.1K views - 5 months ago

DSA in Python - Longest Common Prefix | Vertical Scan + Alternatives (O(N·M)) | Part 220 [Hindi]

DSA in Python - Longest Common Prefix | Vertical Scan + Alternatives (O(N·M)) | Part 220 [Hindi] Code and Debug

1.9K views - 5 months ago

DSA in Python - Largest Odd Number in String | Greedy Right-to-Left Scan (O(n)) | Part 219 [Hindi]

DSA in Python - Largest Odd Number in String | Greedy Right-to-Left Scan (O(n)) | Part 219 [Hindi] Code and Debug

985 views - 5 months ago

DSA in Python - Reverse Words in a String | Clean Split-Reverse-Join (O(n)) | Part 218 [Hindi]

DSA in Python - Reverse Words in a String | Clean Split-Reverse-Join (O(n)) | Part 218 [Hindi] Code and Debug

1.2K views - 5 months ago

DSA in Python - Remove Outermost Parentheses | Depth Counter Trick (O(n)) | Part 217 [Hindi]

DSA in Python - Remove Outermost Parentheses | Depth Counter Trick (O(n)) | Part 217 [Hindi] Code and Debug

1.8K views - 5 months ago

DSA in Python - Best Time to Buy and Sell Stock IV | At-Most K Trades DP (O(n·k)) | Part 216 [Hindi]

DSA in Python - Best Time to Buy and Sell Stock IV | At-Most K Trades DP (O(n·k)) | Part 216 [Hindi] Code and Debug

461 views - 5 months ago

DSA in Python - Best Time to Buy and Sell Stock III | At-Most Two Trades DP | Part 215 [Hindi]

DSA in Python - Best Time to Buy and Sell Stock III | At-Most Two Trades DP | Part 215 [Hindi] Code and Debug

336 views - 5 months ago

DSA in Python - Best Time to Buy and Sell Stock II | DP Intuition | LeetCode 122 | Part 214 [Hindi]

DSA in Python - Best Time to Buy and Sell Stock II | DP Intuition | LeetCode 122 | Part 214 [Hindi] Code and Debug

543 views - 5 months ago

DSA in Python - Delete Operation for Two Strings | LCS-Based DP + Space Opt | Part 213 [Hindi]

DSA in Python - Delete Operation for Two Strings | LCS-Based DP + Space Opt | Part 213 [Hindi] Code and Debug

289 views - 5 months ago

Minimum Insertion Steps to Make a String Palindrome | LPS Trick + Interval DP | Part 212 [Hindi]

Minimum Insertion Steps to Make a String Palindrome | LPS Trick + Interval DP | Part 212 [Hindi] Code and Debug

309 views - 6 months ago

DSA in Python - Longest Palindromic Subsequence (LPS) | LCS Trick + DP Variations | Part 211 [Hindi

DSA in Python - Longest Palindromic Subsequence (LPS) | LCS Trick + DP Variations | Part 211 [Hindi Code and Debug

470 views - 6 months ago

DSA in Python - Longest Common Substring | DP on Strings (Tabulation + Space Opt) | Part 210 [Hindi]

DSA in Python - Longest Common Substring | DP on Strings (Tabulation + Space Opt) | Part 210 [Hindi] Code and Debug

778 views - 6 months ago

DSA in Python - Print the Longest Common Subsequence | Build DP Table + Backtrack | Part 209 [Hindi]

DSA in Python - Print the Longest Common Subsequence | Build DP Table + Backtrack | Part 209 [Hindi] Code and Debug

490 views - 6 months ago

DSA in Python - Longest Common Subsequence (LCS) | 5 DP Variations + Space Optimization | Part 208

DSA in Python - Longest Common Subsequence (LCS) | 5 DP Variations + Space Optimization | Part 208 Code and Debug

750 views - 6 months ago

DSA in Python - 0/1 Knapsack | 5 DP Approaches + Space-Optimized Tricks | GFG Practice | Part 207

DSA in Python - 0/1 Knapsack | 5 DP Approaches + Space-Optimized Tricks | GFG Practice | Part 207 Code and Debug

1.1K views - 6 months ago

DSA in Python - Count Partitions with Given Difference | Reduce to Subset Sum | GFG | Part 206

DSA in Python - Count Partitions with Given Difference | Reduce to Subset Sum | GFG | Part 206 Code and Debug

412 views - 6 months ago

DSA in Python - Count Subsets with Sum K | Perfect Sum Problem | GFG Practice | Part 205

DSA in Python - Count Subsets with Sum K | Perfect Sum Problem | GFG Practice | Part 205 Code and Debug

570 views - 6 months ago

DSA in Python - Partition Set Into 2 Subsets with Min Absolute Sum Difference | GFG | Part 204

DSA in Python - Partition Set Into 2 Subsets with Min Absolute Sum Difference | GFG | Part 204 Code and Debug

578 views - 6 months ago

DSA in Python - Partition Equal Subset Sum | 1D DP on Subsequences | LeetCode 416 | Part 203 [Hindi]

DSA in Python - Partition Equal Subset Sum | 1D DP on Subsequences | LeetCode 416 | Part 203 [Hindi] Code and Debug

638 views - 6 months ago

DSA in Python - Subset Sum Equal to Target | Pick/Not-Pick DP | GFG Practice | Part 202 [Hindi]

DSA in Python - Subset Sum Equal to Target | Pick/Not-Pick DP | GFG Practice | Part 202 [Hindi] Code and Debug

767 views - 6 months ago

DSA in Python - Cherry Pickup II | 3D DP for 2 Robots | LeetCode 1463 | Part 201 [Hindi]

DSA in Python - Cherry Pickup II | 3D DP for 2 Robots | LeetCode 1463 | Part 201 [Hindi] Code and Debug

1.3K views - 6 months ago

DSA in Python - Minimum/Maximum Falling Path Sum | Grid DP Full Approaches | LeetCode 931 | Part 200

DSA in Python - Minimum/Maximum Falling Path Sum | Grid DP Full Approaches | LeetCode 931 | Part 200 Code and Debug

2.2K views - 6 months ago

DSA in Python - Minimum Path Sum in Triangular Grid | 4 DP Approaches | LeetCode 120 | Part 199

DSA in Python - Minimum Path Sum in Triangular Grid | 4 DP Approaches | LeetCode 120 | Part 199 Code and Debug

726 views - 6 months ago

DSA in Python - Minimum Path Sum | 4 Grid DP Approaches | LeetCode 64 | Part 198 [Hindi]

DSA in Python - Minimum Path Sum | 4 Grid DP Approaches | LeetCode 64 | Part 198 [Hindi] Code and Debug

813 views - 6 months ago

DSA in Python - Unique Paths II | Grid DP with Obstacles | LeetCode 63 | Part 197 [Hindi]

DSA in Python - Unique Paths II | Grid DP with Obstacles | LeetCode 63 | Part 197 [Hindi] Code and Debug

677 views - 6 months ago

DSA in Python - Unique Paths | 4 DP Approaches | LeetCode 62 | Part 196 [Hindi]

DSA in Python - Unique Paths | 4 DP Approaches | LeetCode 62 | Part 196 [Hindi] Code and Debug

872 views - 6 months ago

DSA in Python - Geek's Training | 2D DP on Activities | GFG Practice | Part 195 [Hindi]

DSA in Python - Geek's Training | 2D DP on Activities | GFG Practice | Part 195 [Hindi] Code and Debug

1.4K views - 6 months ago

DSA in Python - House Robber II | 4 DP Approaches | Circular Constraint | LeetCode Medium | Part 194

DSA in Python - House Robber II | 4 DP Approaches | Circular Constraint | LeetCode Medium | Part 194 Code and Debug

1.1K views - 6 months ago

DSA in Python - House Robber | All 4 DP Approaches | Recursion to Optimal | LC Medium | Part 193

DSA in Python - House Robber | All 4 DP Approaches | Recursion to Optimal | LC Medium | Part 193 Code and Debug

1.2K views - 6 months ago

DSA in Python - Frog Jump | All 4 DP Approaches | Recursion to Optimal | GFG Practice | Part 192

DSA in Python - Frog Jump | All 4 DP Approaches | Recursion to Optimal | GFG Practice | Part 192 Code and Debug

1.5K views - 6 months ago

Climbing Stairs | All 4 DP Approaches | Recursion to Optimal | Part 191 | DSA in Python Course

Climbing Stairs | All 4 DP Approaches | Recursion to Optimal | Part 191 | DSA in Python Course Code and Debug

1.6K views - 7 months ago

Introduction to Dynamic Programming | Recursion, Memoization, Tabulation | Part 190 | DSA in Python

Introduction to Dynamic Programming | Recursion, Memoization, Tabulation | Part 190 | DSA in Python Code and Debug

3.9K views - 7 months ago

DSA in Python Course - Kth Largest Element in a Stream | Min Heap Design | Medium | Part 189

DSA in Python Course - Kth Largest Element in a Stream | Min Heap Design | Medium | Part 189 Code and Debug

680 views - 7 months ago

DSA in Python Course - Kth Largest Element in an Array | QuickSelect Algorithm | Part 188

DSA in Python Course - Kth Largest Element in an Array | QuickSelect Algorithm | Part 188 Code and Debug

956 views - 7 months ago

DSA in Python Course - Heap Sort Algorithm | Sorting using Max Heap | Part 187 [Hindi]

DSA in Python Course - Heap Sort Algorithm | Sorting using Max Heap | Part 187 [Hindi] Code and Debug

1.2K views - 7 months ago

DSA in Python Course - Convert Min Heap to Max Heap | Efficient Transformation | Part 186 [Hindi]

DSA in Python Course - Convert Min Heap to Max Heap | Efficient Transformation | Part 186 [Hindi] Code and Debug

1.4K views - 7 months ago

DSA in Python Course - Check if an Array Represents a Min Heap | Validation Explained | Part 185

DSA in Python Course - Check if an Array Represents a Min Heap | Validation Explained | Part 185 Code and Debug

815 views - 7 months ago

DSA in Python Course - Implement Max Heap | From Scratch with Code | Part 184 [Hindi]

DSA in Python Course - Implement Max Heap | From Scratch with Code | Part 184 [Hindi] Code and Debug

821 views - 7 months ago

DSA in Python Course - Implement Min Heap | From Scratch with Code | Part 183 [Hindi]

DSA in Python Course - Implement Min Heap | From Scratch with Code | Part 183 [Hindi] Code and Debug

1.1K views - 7 months ago

DSA in Python Course - Build Heap from a Given Array | Heap Construction Explained | Part 182

DSA in Python Course - Build Heap from a Given Array | Heap Construction Explained | Part 182 Code and Debug

900 views - 7 months ago

DSA in Python Course - Heapify Algorithm Explained | Building Heaps Efficiently | Part 181 [Hindi]

DSA in Python Course - Heapify Algorithm Explained | Building Heaps Efficiently | Part 181 [Hindi] Code and Debug

1.3K views - 7 months ago

DSA in Python - Introduction to Priority Queues using Binary Heaps | Min & Max Heaps | Part 180

DSA in Python - Introduction to Priority Queues using Binary Heaps | Min & Max Heaps | Part 180 Code and Debug

2.3K views - 7 months ago

DSA in Python Course - Predecessor and Successor in BST | GFG Practice | Part 179 [Hindi]

DSA in Python Course - Predecessor and Successor in BST | GFG Practice | Part 179 [Hindi] Code and Debug

541 views - 7 months ago

DSA in Python Course - Lowest Common Ancestor of a Binary Search Tree | LeetCode Medium | Part 178

DSA in Python Course - Lowest Common Ancestor of a Binary Search Tree | LeetCode Medium | Part 178 Code and Debug

832 views - 7 months ago

DSA in Python Course - Validate Binary Search Tree | Range Validation | LeetCode Medium | Part 177

DSA in Python Course - Validate Binary Search Tree | Range Validation | LeetCode Medium | Part 177 Code and Debug

722 views - 7 months ago

DSA in Python Course - Kth Smallest Element in a BST | Morris Algorithm | LeetCode Medium | Part 176

DSA in Python Course - Kth Smallest Element in a BST | Morris Algorithm | LeetCode Medium | Part 176 Code and Debug

740 views - 7 months ago

DSA in Python Course - Morris Algorithm for Inorder/Preorder Traversal | Space Optimized | Part 175

DSA in Python Course - Morris Algorithm for Inorder/Preorder Traversal | Space Optimized | Part 175 Code and Debug

825 views - 7 months ago

DSA in Python Course - Delete Node in a BST | LeetCode Medium | Part 174 [Hindi]

DSA in Python Course - Delete Node in a BST | LeetCode Medium | Part 174 [Hindi] Code and Debug

1.2K views - 7 months ago

DSA in Python Course - Insert into a Binary Search Tree | LeetCode Medium | Part 173 [Hindi]

DSA in Python Course - Insert into a Binary Search Tree | LeetCode Medium | Part 173 [Hindi] Code and Debug

979 views - 7 months ago