Coding Interview Resources

Dedicate yourself to that journey & you'll get what you need one day ❤️

Git Commands 🛠 git init – Initialize a new Git repository 📥 git clone <repo> – Clone a repository 📊 git status – Check the status of your repository ➕ git add <file> – Add a file to the staging area 📝 git commit -m "message" – Commit changes with a message 🚀 git push – Push changes to a remote repository ⬇️ git pull – Fetch and merge changes from a remote repository Branching 📌 git branch – List all branches 🌱 git branch <name> – Create a new branch 🔄 git checkout <branch> – Switch to a branch 🔗 git merge <branch> – Merge a branch into the current branch ⚡️ git rebase <branch> – Apply commits on top of another branch Undo & Fix Mistakes ⏪ git reset --soft HEAD~1 – Undo the last commit but keep changes ❌ git reset --hard HEAD~1 – Undo the last commit and discard changes 🔄 git revert <commit> – Create a new commit that undoes a specific commit Logs & History 📖 git log – Show commit history 🌐 git log --oneline --graph --all – View commit history in a simple graph Stashing 📥 git stash – Save changes without committing 🎭 git stash pop – Apply stashed changes and remove them from stash Remote & Collaboration 🌍 git remote -v – View remote repositories 📡 git fetch – Fetch changes without merging 🕵️ git diff – Compare changes Don’t forget to react ❤️ if you’d like to see more content like this!

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100+ Practice Questions ❍ C/C++ ❍ Python ❍ JavaScript ❍ Java ❍ C# ❍ Golang ➊ Simple Numbers ➀ Find a digit at a specific place in a number ➁ Find count of digits in a number ➂ Find the largest digit ➃ Find the 2nd largest digit ➄ Find the kth largest digit ➅ Find the smallest digit ➆ Find the 2nd smallest digit ➇ Find the kth smallest digit ➈ Find generic root (sum of all digits) of a number ➉ Reverse the digits in a number ➀➀ Rotate the digits in a number ➀➁ Is the number a palindrome? ➀➂ Find sum of 'n' numbers ➀➃ Check if a number is perfect square ➀➄ Find a number in an AP sequence ➀➅ Find a number in a GP sequence ➀➆ Find a number in fibonacci sequence ➀➇ Check number divisibility by 2, 3, 5, 9 ➀➈ Check if a number is primary or not 20. Given a number, print all primes smaller than it ➁➀ Check if a number is circular prime or not ➁➁ Find all prime factors of a number ➁➂ Find the GCD of 2 numbers ➁➃ Find the LCM of 2 numbers ➁➄ Find the factorial of a number ➁➅ Find the exponentiation of a number ➋ Unit Conversion ➀ Number Base (Binary, Octal, Hexadecimal, Decimal) ➁ Weight (gram, kg, pound) ➂ Height (cm, m, inch, feet) ➃ Temperature (centigrade, fahrenhite) ➄ Distance (km, mile) ➅ Area (m², km², acre) ➆ Volume (ltr, gallon) ➇ Time (sec, min, hour) ➈ Currency ➌ Calculator ➀ Loan EMI Calculator ➁ Fixed Deposit Returns Calculator ➂ Interest Calculator ➃ BMI Calculator ➄ Item Price (considering tax, discount, shipping) ➅ Tip Calculator ➍ Geometry ➀ Find distance between 2 points ➁ Given 2 sides of a right angle triangle, find the 3rd ➂ Find 3rd angle of a triangle when 2 are given ➃ Area of a triangle when 3 sides are given ➄ Area of a right angle triangle ➅ Perimeter of a Square ➆ Area of a Square ➇ Perimeter of a Rectangle ➈ Area of a Rectangle ➉ Circumference of a Circle ➀➀ Area of a Circle ➀➁ Circumference of a Semi-Circle ➀➂ Area of a Semi-Circle ➀➃ Area of a Ring ➀➄ Circumference of an Ellipse ➀➅ Area of an Ellipse ➀➆ Suface Area of a Sphere ➀➇ Volume of a Sphere ➀➈ Surface Area of a Hemisphere 20. Volume of a Hemisphere ➁➀ Surface area of a Cube ➁➁ Volume of a Cube ➁➂ Surface area of a Cylinder ➁➃ Volume of a Cylinder ➎ Vector ➀ Find Scalar Multiplication of a vector ➁ Find addition/subtraction of vectors ➂ Find magnitude of a vector ➃ Find an unit vector along a given vector ➄ Find dot product of 2 vectors ➅ Find cross product of 2 vectors ➆ Check if 2 vectors are orthogonal ➏ Matrix ➀ Find the determinant of a matrix ➁ Find Scalar Multiplication of a matrix ➂ Find addition/subtraction of matrices ➃ Find the transpose of a matrix ➄ Find if 2 matrices are orthogonal ➅ Find inverse of a 2x2 and 3x3 matrix ➐ Set ➀ Find Union of 2 sets ➁ Find Intersection of 2 sets ➂ Find the Difference of 2 sets ➃ Find the Symmetric Difference of 2 sets ➄ Find if a set is subset/superset of another set ➅ Find if 2 sets are disjoints ➑ Special Numbers ➀ Strong Number ➁ Perfect Number ➂ Armstrong Number ➃ Harshad Number ➄ Kaprekar Number ➅ Lychrel Number ➆ Narcissistic Decimal Number ➇ Lucus Number ➈ Catalan Number ➉ Duck Number ➀➀ Ugly Number ➀➁ Abundant Number ➀➂ Deficient Number ➀➃ Automorphic Number ➀➄ Magic Number ➀➅ Friendly Pair Numbers ➀➆ Neon Number ➀➇ Spy Number ➀➈ Happy Number 20. Sunny Number ➁➀ Disarium Number ➁➁ Pronic Number ➁➂ Trimorphic Number ➁➃ Evil Number ➁➄ Amicable Pairs

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Step-by-Step Approach to learn DSA ➊ Learn One Programming Language  ↓ ➋ Fundamentals → Time & Space Complexity ↓ ➌ Brute Force Algorithms  ↓ ➍ Basic Data Structures → Array, Linked List  ↓ ➎ Simple Search Algorithm  ↓ ➏ Sorting Techniques → Bubble, Selection, Insertion  ↓ ➐ Slightly Complex Algorithms → Recursion, DnC  ↓ ➑ Complex Data Structures → Stack, Queue, Tree DSA Interview Preparation Resources: https://topmate.io/coding/886874 ENJOY LEARNING 👍👍

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🔹 Placement Ready in 3 Months! 🔹 1. Month 1: Aptitude - Quantitative Aptitude, Logical Reasoning, Verbal Ability - Daily practice and mock tests 2. Month 1 & 2: Course Fundamentals - OOPS, DBMS, OS, CN, Java, C++ - Study plan and resources 3. Months 1, 2, & 3: Coding - Data Structures and Algorithms (DSA) - Practice on platforms like Hackerrank, Codechef, and Leetcode 4. Projects, Skills, and Internships - Full-stack or ML projects - Internship experiences and interview prep 5. Month 3: Mock Interviews - Practice with Pramp and peers Top Coding Interview Resources to prepare for Microsoft, Amazon, Meta, Apple, Adobe, VMware, Visa, Twitter, LinkedIn, JP Morgan, Goldman Sachs, Oracle and Walmart 👇👇 https://topmate.io/coding/951517 All the best 👍👍

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Common Coding Mistakes to Avoid Even experienced programmers make mistakes.

Undefined variables:

Ensure all variables are declared and initialized before use.

Type coercion:

Be mindful of JavaScript's automatic type conversion, which can lead to unexpected results.

Incorrect scope:

Understand the difference between global and local scope to avoid unintended variable access.

Logical errors:

Carefully review your code for logical inconsistencies that might lead to incorrect output.

Off-by-one errors:

Pay attention to array indices and loop conditions to prevent errors in indexing and iteration.

Infinite loops:

Avoid creating loops that never terminate due to incorrect conditions or missing exit points. Example: // Undefined variable error let result = x + 5; // Assuming x is not declared // Type coercion error let age = "30"; let isAdult = age >= 18; // Age will be converted to a number By being aware of these common pitfalls, you can write more robust and error-free code. Do you have any specific coding mistakes you've encountered recently?

Want to practice for your next interview? Then use this prompt and ask Chat GPT to act as an interviewer 😄👇 (Tap to copy) I want you to act as an interviewer. I will be the candidate and you will ask me the interview questions for the position position. I want you to only reply as the interviewer. Do not write all the conservation at once. I want you to only do the interview with me. Ask me the questions and wait for my answers. Do not write explanations. Ask me the questions one by one like an interviewer does and wait for my answers. My first sentence is "Hi" Now see how it goes. All the best for your preparation Like this post if you need more content like this👍❤️

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Getting job offers as a developer involves several steps:👨‍💻🚀 1. Build a Strong Portfolio: Create a portfolio of projects that showcase your skills. Include personal projects, open-source contributions, or freelance work. This demonstrates your abilities to potential employers.👨‍💻 2. Enhance Your Skills: Stay updated with the latest technologies and trends in your field. Consider taking online courses, attending workshops, or earning certifications to bolster your skills.🚀 3. Network: Attend industry events, conferences, and meetups to connect with professionals in your field. Utilize social media platforms like LinkedIn to build a professional network.🔥 4. Resume and Cover Letter: Craft a tailored resume and cover letter for each job application. Highlight relevant skills and experiences that match the job requirements.📇 5. Job Search Platforms: Utilize job search websites like LinkedIn, Indeed, Glassdoor, and specialized platforms like Stack Overflow Jobs, GitHub Jobs, or AngelList for tech-related positions. 🔍 6. Company Research: Research companies you're interested in working for. Customize your application to show your genuine interest in their mission and values.🕵️‍♂️ 7. Prepare for Interviews: Be ready for technical interviews. Practice coding challenges, algorithms, and data structures. Also, be prepared to discuss your past projects and problem-solving skills.📝 8. Soft Skills: Develop your soft skills like communication, teamwork, and problem-solving. Employers often look for candidates who can work well in a team and communicate effectively.💻 9. Internships and Freelancing: Consider internships or freelancing opportunities to gain practical experience and build your resume. 🏠 10. Personal Branding: Maintain an online presence by sharing your work, insights, and thoughts on platforms like GitHub, personal blogs, or social media. This can help you get noticed by potential employers.👦 11. Referrals: Reach out to your network and ask for referrals from people you know in the industry. Employee referrals are often highly valued by companies.🌈 12. Persistence: The job search process can be challenging. Don't get discouraged by rejections. Keep applying, learning, and improving your skills.💯 13. Negotiate Offers: When you receive job offers, negotiate your salary and benefits. Research industry standards and be prepared to discuss your expectations.📉 Remember that the job search process can take time, so patience is key. By focusing on these steps and continuously improving your skills and network, you can increase your chances of receiving job offers as a developer.

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5 Steps to learn DSA 👆

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DSA Roadmap 👆

Python vs C++ vs Java 😂