PriorityQ

The best way to prepare
for technical interviews.

Arrays

85% Complete

Stack

100% Complete

Two Pointers

70% Complete

Sliding Window

45% Complete

Binary Search

40% Complete

Merge Intervals

55% Complete

Linked Lists

35% Complete

Recursion

30% Complete

Trees

20% Complete

Heap / Priority Queue

25% Complete

Graphs (Beginner)

15% Complete

K-way Merge

10% Complete

Top K Elements

12% Complete

Divide and Conquer

8% Complete

Greedy

5% Complete

Backtracking

7% Complete

Subsets

3% Complete

Permutations

4% Complete

Matrices

6% Complete

Dynamic Programming

2% Complete

Graphs (Advanced)

1% Complete
1
Completed
21
Total Topics
28%
Overall Progress

Courses

Data Structures &
Algorithms

Master essential computer science concepts through hands-on practice and real-world examples. Build the foundation you need to excel in technical interviews.

Data Structures & Algorithm Fundamentals

Learn the foundations of coding interviews.

System Design

Master scalable architecture patterns and learn to design distributed systems that handle millions of users.

System Design Interview

Learn common system design interview questions.

Object Oriented
Design

Build maintainable software architectures using proven design patterns and solid programming principles.

Object Oriented Design Interviews

Learn Object Oriented Design interview questions.

Lessons

How to Use PriorityQ Effectively

✨ Free Lesson

Python Cheat Sheet

🔒 Premium Content

Big-O Notation

🔒 Premium Content

Intro to System Design Interviews

🔒 Premium Content

Intro to Data Structures and Algorithm Interviews

🔒 Premium Content

Intro to Behavioral Interviews

🔒 Premium Content