C++ Exercises

Code C++ like a pro. Practice with hands-on coding challenges, drills, and scenario-based tasks that deepen your grasp of core concepts, sharpen your instincts, and build practical fluency.

Join 2.7 million developers at

Overview

Content

Reviews

Strengthen your C++ skills through structured programming exercises that simulate real-world development scenarios—like pointer debugging, algorithm optimization, and memory-safe design. Built for those new to C++ or developers looking to reinforce their fundamentals, this practice-based experience emphasizes coding over theory. You’ll cover core C++ concepts such as memory management, object-oriented programming, and standard library usage, while applying them in exercises like pointer manipulation, class-based modeling, and STL container use. What sets this experience apart is its focus on active practice and outcome-based learning. By the end, you won’t just understand how C++ works, you’ll have proven it by completing real practice challenges and building functional, tested code.

Strengthen your C++ skills through structured programming exercises that simulate real-world development scenarios—like pointer ...Show More

WHAT YOU'LL LEARN

Writing efficient, structured C++ code that meets modern development standards.

Debugging and improving C++ programs with confidence.

Applying C++ to real-world tasks like file processing, memory management, and object modeling.

Building the confidence to use C++ in interviews, side projects, or production environments.

Writing efficient, structured C++ code that meets modern development standards.

Content

C++ Challenges with PAL

49 Lessons

Find the First K Missing Positive Numbers

Longest Common Subsequence

Longest Increasing Subsequence

Maximum Subarray

Two Sum

Repeated DNA Sequences

Invert Binary Tree

Minimum Time Takes to Reach Destination Without Drowning

Top K Frequent Elements

Valid Word Abbreviation

Circular Array Loop

Lexicographical Numbers

Merge Sorted Array

Number of Connected Components in an Undirected Graph

Two Sum Less Than K

Kth Largest Element in an Array

Kth Smallest Element in a BST

Largest Rectangle in Histogram

Maximum Product Subarray

Spiral Matrix

Frequency of the Most Frequent Element

Longest Consecutive Sequence

Median of Two Sorted Arrays

Container with Most Water

Diet Plan Performance

Find The Duplicate Number

First Bad Version

Maximize Capital

Maximum Average Pass Ratio

Minimum Number of Refueling Stops

Find K Pairs with Smallest Sums

Kth Smallest Element in a Sorted Matrix

Range Sum of Sorted Subarray Sums

Remove Covered Intervals

Kth Largest Element in an Array

Set Matrix Zeros

Sort Array By Parity II

Custom Sort String

Kth Smallest Number in M Sorted Lists

Minimum Size Subarray Sum

Multiply Strings

Permutations II

Search in Rotated Sorted Array

Third Maximum Number

Developed by MAANG Engineers

Every Educative lesson is designed by a team of ex-MAANG software engineers and PhD computer science educators, and developed in consultation with developers and data scientists working at Meta, Google, and more. Our mission is to get you hands-on with the necessary skills to stay ahead in a constantly changing industry. No video, no fluff. Just interactive, project-based learning with personalized feedback that adapts to your goals and experience.

Trusted by 2.7 million developers working at companies

"These are high-quality courses. Trust me. I own around 10 and the price is worth it for the content quality. EducativeInc came at the right time in my career. I'm understanding topics better than with any book or online video tutorial I've done. Truly made for developers. Thanks"

Anthony Walker

@_webarchitect_

"Just finished my first full #ML course: Machine learning for Software Engineers from Educative, Inc. ... Highly recommend!"

Evan Dunbar

ML Engineer

"You guys are the gold standard of crash-courses... Narrow enough that it doesn't need years of study or a full blown book to get the gist, but broad enough that an afternoon of Googling doesn't cut it."

Software Developer

Carlos Matias La Borde

"I spend my days and nights on Educative. It is indispensable. It is such a unique and reader-friendly site"

Souvik Kundu

Front-end Developer

"Your courses are simply awesome, the depth they go into and the breadth of coverage is so good that I don't have to refer to 10 different websites looking for interview topics and content."

Vinay Krishnaiah

Software Developer

Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Personalized Interview Prep

Skip the LeetCode grind with a custom roadmap that adapts to your goals. Hands-on practice for Coding Interviews, System Design, and more.

Mock Interviews

Test your skills in a simulated interview setting. Receive personalized feedback based on your performance. Available for Coding Interviews, System Design, and more.

AI Prompt

Build prompt engineering skills. Practice implementing AI-informed solutions.

Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

Free Resources

FOR TEAMS

Interested in this course for your business or team?

Unlock this course (and 1,000+ more) for your entire org with DevPath