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Different topics and areas of study

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Hackerrank: Arrays and Hashing

data structures and algorithms

Hackerrank: Arrays and Hashing

September 26, 2026

Hackerrank: Matrix

data structures and algorithms

Hackerrank: Matrix

September 05, 2026

Hackerrank: Graphs II BFS Multi Source

data structures and algorithms

Hackerrank: Graphs II BFS Multi Source

September 26, 2026

LeetCode: 1D Dynamic Programming

data structures and algorithms

LeetCode: 1D Dynamic Programming

September 15, 2026

LeetCode: 2D Dynamic Programming

data structures and algorithms

LeetCode: 2D Dynamic Programming

September 15, 2025

LeetCode: Backtracking

data structures and algorithms

LeetCode: Backtracking

September 16, 2026

LeetCode: Arrays and Hashing

data structures and algorithms

LeetCode: Arrays and Hashing

February 04, 2026

LeetCode: Heaps Priority Queue

data structures and algorithms

LeetCode: Heaps Priority Queue

July 29, 2026

LeetCode: Matrix

data structures and algorithms

LeetCode: Matrix

September 08, 2026

LeetCode: Stack

data structures and algorithms

LeetCode: Stack

August 22, 2026

LeetCode: Bit Manipulation

data structures and algorithms

LeetCode: Bit Manipulation

October 13, 2025

LeetCode: Design

data structures and algorithms

LeetCode: Design

September 28, 2026

LeetCode: Graphs I DFS BFS

data structures and algorithms

LeetCode: Graphs I DFS BFS

July 13, 2026

LeetCode: Graphs I DFS BFS Union Find

data structures and algorithms

LeetCode: Graphs I DFS BFS Union Find

July 17, 2026

LeetCode: Graphs I Directed DFS Tarjan Strongly Connected Components

data structures and algorithms

LeetCode: Graphs I Directed DFS Tarjan Strongly Connected Components

February 12, 2026

LeetCode: Graphs I Directed In Degree Out Degree

data structures and algorithms

LeetCode: Graphs I Directed In Degree Out Degree

July 10, 2026

LeetCode: Graphs I Undirected Degree

data structures and algorithms

LeetCode: Graphs I Undirected Degree

July 18, 2026

LeetCode: Graphs II BFS 01 Shortest Path Weighted Graph

data structures and algorithms

LeetCode: Graphs II BFS 01 Shortest Path Weighted Graph

February 12, 2026

LeetCode: Graphs II BFS Kahn Topological Sort

data structures and algorithms

LeetCode: Graphs II BFS Kahn Topological Sort

July 17, 2026

LeetCode: Graphs II BFS Multi Source

data structures and algorithms

LeetCode: Graphs II BFS Multi Source

September 26, 2026

LeetCode: Graphs I BFS Shortest Path Unweighted Graph

data structures and algorithms

LeetCode: Graphs I BFS Shortest Path Unweighted Graph

August 31, 2026

LeetCode: Graphs II DFS BFS Bipartite

data structures and algorithms

LeetCode: Graphs II DFS BFS Bipartite

February 12, 2026

LeetCode: Graphs II DFS Hierholzers Eulers

data structures and algorithms

LeetCode: Graphs II DFS Hierholzers Eulers

February 12, 2026

LeetCode: Graphs II A Star Heuristic Path Finding

data structures and algorithms

LeetCode: Graphs II A Star Heuristic Path Finding

February 12, 2026

LeetCode: Graphs II MinHeap Dijkstras BellmanFord Single Source Shortest Path

data structures and algorithms

LeetCode: Graphs II MinHeap Dijkstras BellmanFord Single Source Shortest Path

February 13, 2026

LeetCode: Graphs II Union Find Kruskal Prim Minimum Spanning Tree

data structures and algorithms

LeetCode: Graphs II Union Find Kruskal Prim Minimum Spanning Tree

February 12, 2026

LeetCode: Greedy Algorithms

data structures and algorithms

LeetCode: Greedy Algorithms

September 05, 2025

LeetCode: Intervals

data structures and algorithms

LeetCode: Intervals

August 28, 2025

LeetCode: Math and Geometry

data structures and algorithms

LeetCode: Math and Geometry

August 18, 2025

LeetCode: SQL

data structures and algorithms

LeetCode: SQL

September 19, 2026

LeetCode: Trees I BFS

data structures and algorithms

LeetCode: Trees I BFS

August 02, 2026

LeetCode: Trees I BST

data structures and algorithms

LeetCode: Trees I BST

August 28, 2026

LeetCode: Trees I DFS

data structures and algorithms

LeetCode: Trees I DFS

August 28, 2026

LeetCode: Trees II DFS BFS

data structures and algorithms

LeetCode: Trees II DFS BFS

July 14, 2026

LeetCode: Trees II Tries

data structures and algorithms

LeetCode: Trees II Tries

July 29, 2025

LeetCode: Two Pointers I

data structures and algorithms

LeetCode: Two Pointers I

August 12, 2026

LeetCode: Two Pointers II Binary Search

data structures and algorithms

LeetCode: Two Pointers II Binary Search

February 08, 2026

LeetCode: Two Pointers II Linked List

data structures and algorithms

LeetCode: Two Pointers II Linked List

August 18, 2026

LeetCode: Two Pointers II Sliding Window

data structures and algorithms

LeetCode: Two Pointers II Sliding Window

October 02, 2026

Open Source: Array and Hashing

data structures and algorithms

Open Source: Array and Hashing

September 26, 2026

Open Source: Design

data structures and algorithms

Open Source: Design

September 29, 2026