Data Structures And Algorithms Discussions

Data Structures and Algorithms Solutions, for questions discussed with colleagues and friends.

Topicwise Questions

• Arrays
  • Find probability of robot surviving
  • Array Rotation
  • Common Elements in Sorted Lists
  • Max Sum Non Adjacent Elements
  • Min Initial Energy
• Binary Trees
  • Left View of a Tree
  • Binary Search Tree Utility
  • Level Order
  • Maximum Sum Path Between Nodes
• Heaps
  • MaxHeap
  • MinHeap
• Graphs
  • Depth First Search | Python
  • DFS | java
  • Connected Cites
  • Connected Cells In a Grid
• LinkedList
  • Reversal Concepts:
    • reverse Linked List in group of K
    • reverse alternatively Linked List in group of K
    • reverse Linked List between m and n
  • Remove/Delete Node
    • remove nth Node from the end
  • Fast & Slow Pointers
    • check whether list is Palindrome
    • segregate odd and even positions nodes
    • Intersection of two singlely linked list
    • Rotate List by K steps clockwise
  • Delete/Remove Concepts
    • delete a node in a Linked List
    • Remove Linked List Elements
  • Pointer Manipulation
    • Swap Nodes in Pairs
• Binary Search
  • Sort Manipulation:
    • Search in Rotated Array
    • Search in Rotated Array 2
  • Binary Search - Increasing/Decreasing Functions
    • Painter's Problem
    • FairWorkload Topcoder
• Stacks And Queues
  • Stacks
    • Largest Area Under Histogram
• String
  • Algorithm Implementation:
    • KMP Algorithm
  • General
    • Excel Title To Number And Vice Versa
    • Min Window Substring (Java)
    • Min Window Substring (Python)
    • Permutation | Duplicate Allowed (Java)
    • Permutation | Duplicate Allowed (Python)
    • Permutation | Non Duplicates (Python)
• Dynamic Programming
  • Maximum Value Contiguous Subsequence
  • Min Sum Path Matrix (DP + Arrays)
• Disjoint Sets
  • Disjoint Sets with Path Compression
  • Merging Communities