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Practice the most tested coding interview topics: arrays, graphs, trees and dynamic programming. Problems tagged by company frequency and difficulty level.

Highlights

Real coding questions reported in top-tier technical interviews

Optimal solutions with time & space complexity explained

Covers arrays, trees, graphs, recursion & all core DSA topics

Tagged by company frequency & difficulty level

24k+ students

20k+ reported

8 problems

100+ hours

All Types

Difficulty

Frequency

Last Reported

Question Types

Array

Asked By

Easy

1 days ago

Most Common Word

Question Types

Stack

Asked By

Medium

0 hours ago

Question Types

Stack

Asked By

Hard

2 days ago

Implement Delayed Scheduler

Question Types

Concurrency

Asked By

Hard

0 hours ago

Shortest Path in Binary Matrix

Question Types

StackArray

Asked By

Hard

8 hours ago

Question Types

Stack

Asked By

Medium

8 hours ago

Longest Substring Without Repeating Characters

Question Types

StackArray

Asked By

Hard

1 days ago

Question Types

Stack

Asked By

Hard

2 days ago

Updated: Jun 5, 2026

1

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