Solve-DSA-Java

This is my repository where I keep all my Java solutions for LeetCode and DSA (Data Structures and Algorithms) problems.

I have organized all the questions into different phases so it is easy to practice and revise.

Phase Roadmap

• Phase 1: Arrays, Strings & Hashing

  • Arrays
  • Strings
  • HashMap
  • HashSet
  • Prefix Sum
  • Math
  • Sorting
  • Simulation

• Phase 2: Two Pointers & Sliding Window

  • Two Pointers
  • Sliding Window
  • Binary Search

• Phase 3: Stack & Queue

  • Stack
  • Queue
  • Monotonic Stack

• Phase 4: Linked Lists & Trees

  • Linked List
  • Trees
  • BST
  • Heap

• Phase 5: Graphs

  • Graphs
  • BFS
  • DFS
  • Union Find
  • Topological Sort

• Phase 6: Dynamic Programming & Advanced Topics

  • Dynamic Programming
  • Greedy
  • Backtracking
  • Trie
  • Segment Tree
  • Bit Manipulation
  • Advanced

Note

All files are named like Leetcode [Number] ∶ [Name] or the original question name so they are easy to find.