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Leet Code Technical Interview Prep

Spring 2026

Mar 30, 2026

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May 1, 2026

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Lecture 1

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Registration Deadlines

Apr 4, 2026

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Any participant who has earned certificate in one of our programs

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Category

Intensive Technical Interview Prep

Overview

This program includes a weekly lecture which focuses on solving algorithmic problems like in LeetCode, and a set of problems to practice on for technical interview preparation.

Slack

Click here to be invited to the slack organization: The Erdős Institute

Click here to access the slack cohort channel: #slack-cohort-channel

Click here to access the slack program channel: #slack-program-channel

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Click here to download the Events & Deadlines .ics calendar file

Organizers, Instructors, and Advisors

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Arjun Arul

Co-Founder at LogicLabs

Office Hours:

By appointment

Email:

Preferred Contact:

Slack

Do not hesitate to reach out with any questions you may have through Slack @Arjun Arul

Objectives

The goal of this course is to prepare you for coding interviews by strengthening your problem-solving skills, algorithms and data structure knowledge. We will focus a lot more on problem solving rather than on theory.

First Steps/Prerequisites

Participants must have successfully completed one of our Boot Camps in order to take this course.
We will assume that you are comfortable with at least one programming language.
First Steps

Program Content

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Course materials are available on github through the following link:

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Request Access to GitHub

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Textbook/Notes

Note: our video player does not support playback speed options. You can find a third party browser extension which will allow you to modify video playback speed. For example, this one works for Chrome: video-speed-controller. If you would prefer to avoid a browser extension you can manually modify the playback speed in the javascript console as well: Speed up any HTML5 video player!

Lecture 1

Arrays, Prefix sums, Frequency arrays, Sliding window, Two pointers

Lecture 1 - Arrays, Prefix sums, Frequency arrays, Sliding window, Two pointers

Transcript
Code

Lecture 5

Trees and Graphs - BFS, DFS

Lecture 5 - Trees and Graphs - BFS, DFS

Transcript
Code

Lecture 2

Sorting, Binary Search

Lecture 2 - Sorting, Binary Search

Transcript
Code

Lecture 3

Greedy Algorithms, DP

Lecture 3 - Greedy Algorithms, DP

Transcript
Code

Project/Homework Instructions

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Project/Team Formation
Project Submission
Projects README

Schedule

Click on any date for more details

Orientation & Setup

Phase 1: Instruction and Project Completion

Project Review & Judging

Phase 2: Intense Interview Prep & Career Connections

Lecture 1

Mar 30, 2026 at 02:30 AM UTC

EVENT

Lecture 3

Apr 13, 2026 at 02:30 AM UTC

EVENT

Phase II Orientation

Mar 30, 2026 at 06:00 PM UTC

EVENT

Lecture 4

Apr 20, 2026 at 02:30 AM UTC

EVENT

Lecture 2

Apr 6, 2026 at 02:30 AM UTC

EVENT

Lecture 5

Apr 27, 2026 at 02:30 AM UTC

EVENT

Project/Homework Deadlines

©2017-2026 by The Erdős Institute.

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