Find the Largest Element in an Array Rotate Array to the Right by K Steps Remove Duplicates from a Sorted Array Move Zeros to the End of Array Find All Pairs with a Given Sum Subarray with a Given Sum Kadane’s Algorithm (Maximum Subarray Sum) Sort Colors (Dutch National Flag Problem) Merge Two Sorted Arrays Without Extra Space Find the Intersection of Two Arrays

Reverse a String Check for Palindrome String Longest Common Prefix Longest Substring Without Repeating Characters Anagram Check Count and Say Sequence Valid Parentheses Group Anagrams Longest Palindromic Substring Implement Atoi (String to Integer Conversion

Reverse a Linked List Detect and Remove Loop in Linked List Merge Two Sorted Linked Lists Intersection of Two Linked Lists Remove Nth Node from the End of List Reorder Linked List Find the Middle of a Linked List Flatten a Multilevel Doubly Linked List Clone a Linked List with Random Pointers Add Two Numbers Represented by Linked Lists

Inorder Traversal of Binary Tree Level Order Traversal Maximum Depth of a Binary Tree Symmetric Tree Check Path Sum in Binary Tree Lowest Common Ancestor of a Binary Tree Diameter of Binary Tree Convert Binary Tree to Doubly Linked List Flatten Binary Tree to Linked List Binary Tree Zigzag Level Order Traversa

Find Kth Largest Element in an Array Merge K Sorted Arrays Top K Frequent Elements Median in a Stream of Integers Minimize the Maximum Difference Between Heights Find the Running Median Reorganize String Task Scheduler K Closest Points to Origin Sort Characters by Frequency

Breadth-First Search (BFS) Depth-First Search (DFS) Detect Cycle in a Graph Topological Sorting Number of Islands Minimum Spanning Tree (Prim’s and Kruskal’s Algorithm) Shortest Path in a Graph (Dijkstra’s Algorithm) Bellman-Ford Algorithm Floyd-Warshall Algorithm Alien Dictionary

Software engineering

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Array Problems

Find the Largest Element in an Array
Rotate Array to the Right by K Steps
Remove Duplicates from a Sorted Array
Move Zeros to the End of Array
Find All Pairs with a Given Sum
Subarray with a Given Sum
Kadane’s Algorithm (Maximum Subarray Sum)
Sort Colors (Dutch National Flag Problem)
Merge Two Sorted Arrays Without Extra Space
Find the Intersection of Two Arrays

String Problems

Reverse a String
Check for Palindrome String
Longest Common Prefix
Longest Substring Without Repeating Characters
Anagram Check
Count and Say Sequence
Valid Parentheses
Group Anagrams
Longest Palindromic Substring
Implement Atoi (String to Integer Conversion

Linked List Problems

Reverse a Linked List
Detect and Remove Loop in Linked List
Merge Two Sorted Linked Lists
Intersection of Two Linked Lists
Remove Nth Node from the End of List
Reorder Linked List
Find the Middle of a Linked List
Flatten a Multilevel Doubly Linked List
Clone a Linked List with Random Pointers
Add Two Numbers Represented by Linked Lists

Stack and Queue Problems

Implement Stack Using Queues
Implement Queue Using Stacks
Next Greater Element
Valid Stack Sequences
Evaluate Reverse Polish Notation
Implement LRU Cache
Sliding Window Maximum
Simplify Directory Path
Design a Circular Queue
Decode String

Binary Tree Problems

Inorder Traversal of Binary Tree
Level Order Traversal
Maximum Depth of a Binary Tree
Symmetric Tree Check
Path Sum in Binary Tree
Lowest Common Ancestor of a Binary Tree
Diameter of Binary Tree
Convert Binary Tree to Doubly Linked List
Flatten Binary Tree to Linked List
Binary Tree Zigzag Level Order Traversa

Binary Search Tree Problems

Search in a Binary Search Tree
Validate Binary Search Tree
Convert Sorted Array to BST
Insert Node in a BST
Delete Node in a BST
Kth Smallest Element in a BST
Inorder Successor in a BST
Binary Search Tree Iterator
Recover Binary Search Tree
Lowest Common Ancestor of BST

Heap Problems

Find Kth Largest Element in an Array
Merge K Sorted Arrays
Top K Frequent Elements
Median in a Stream of Integers
Minimize the Maximum Difference Between Heights
Find the Running Median
Reorganize String Task Scheduler
K Closest Points to Origin
Sort Characters by Frequency

Graph Problems

Breadth-First Search (BFS)
Depth-First Search (DFS)
Detect Cycle in a Graph
Topological Sorting
Number of Islands
Minimum Spanning Tree (Prim’s and Kruskal’s Algorithm)
Shortest Path in a Graph (Dijkstra’s Algorithm)
Bellman-Ford Algorithm
Floyd-Warshall Algorithm
Alien Dictionary

Dynamic Programming Problems

Fibonacci Sequence
Climbing Stairs
Longest Increasing Subsequence
Longest Common Subsequence
0/1 Knapsack Problem
Minimum Edit Distance
Subset Sum Problem
Coin Change Problem
House Robber Problem
Maximum Product Subarray

Greedy Algorithm Problems

Activity Selection Problem
Fractional Knapsack Problem
Minimum Number of Platforms Required
Huffman Encoding
Greedy Algorithm for Egyptian Fraction
Gas Station Problem
Jump Game
Candy Distribution
Assign Cookies to Children
Minimum Cost to Connect Ropes

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Python Tutorial

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Python Tutorial

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Python Tutorial

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