Don't just fix code. Learn why it broke.
When stuck on LeetCode, opening ChatGPT ruins your intuition by giving away answers. GuruCode combines a real 10,000+ problem judge with an interactive 3D Socratic AI Mentor that gives progressive nudges so you discover the optimal solution yourself.
“Notice how you're repeatedly re-scanning the array for target - nums[i]. If you had a data structure with O(1) instant lookup, what would you store during your first pass?”
Trusted by Coders Preparing for Top Engineering Roles
Master the Exact Sheets Companies Hire From
Choose your targeted track with progressive Socratic AI support baked into every single problem.
Blind 75 Master Sheet
The gold standard 75 problems that cover 90% of interview patterns in Arrays, Graphs, DP & Trees.
Learn Computer Science & DSA from First Principles
Step-by-step interactive lessons with live code execution, animated pointer diagrams, predict-the-output checkpoints, and automated progressive hints.
Core DSA MasterclassFAANG Ready
Master algorithmic intuition from scratch with step-by-step memory pointer playback and Socratic questioning.
Arrays & Memory Architecture
Contiguous RAMconst prefixSum = (arr) => arr.map((sum => v => sum += v)(0));Two Pointers & In-Place Traversal
O(1) Spacelet left = 0, right = arr.length - 1; while (left < right) ...Sliding Window & Substring Bounds
Subarraysfor (let r = 0; r < n; r++) { count.set(s[r], ...); while (invalid) ... }Binary Search on Value Spaces
O(log N)let mid = left + Math.floor((right - left) / 2);What is the time complexity of bisect_left() / lower_bound() on a sorted array of N elements?
Test your algorithmic intuition in real-time. Click an answer below to inspect the Socratic reasoning.
Why LeetCode + ChatGPT Fails You, and GuruCode Works
Stop spoiling your learning with raw ChatGPT copy-pastes. Here is how GuruCode transforms your intuition.
| Feature / Metric | ChatGPT Plus | LeetCode Premium | GuruCode (Guru Code) |
|---|---|---|---|
| AI Guidance Philosophy | Directly spits full code answer (spoils learning) | Discussion boards with full solutions | 4-Tier Socratic hints that teach intuition without spoiling |
| Live Two-Way Voice Mock Interviews | Generic chat with no coding execution | Not available (Static articles only) | Hands-free voice AI with FAANG rubric scoring & live sandbox |
| 1v1 Multiplayer Code Battles | None | Weekly timed contests only | Real-time 15-min ranked 1v1 duels with live test runner & ELO |
| Step-by-Step Pointer & Memory Visualizer | None (Plain markdown) | Static slide images on select problems | Interactive PythonTutor-style stack frames & live pointer tracking |
| AI Video Code Explainer | None | None | Turns any code into animated narrated lecture with voiceover |
| Pricing & Availability | $20/month for GPT-4 Plus | $35/month for LeetCode Premium | 100% Free Forever for all students & engineers |
Turn Any Code into an AI Narrated Video Lesson
GuruCode's AI Professor breaks down your code into an animated, voiceover-narrated lecture with synchronized line highlighting, live pointer animations, and memory diagrams — in English, Hinglish, Hindi, or Spanish.
“Since nums[mid] is 8 which is less than 16, we discard the entire left half and advance left to mid + 1...”
One Platform. Every Tool You Need.
From your first Two Sum to a Google mock interview — GuruCode has you covered at every stage.
Socratic AI Mentor
4-tier progressive hints that guide your thinking without spoiling the answer. Like having a FAANG staff engineer next to you.
1v1 Code Battle Arena
Race against live coders in real-time 15-minute duels. Win ELO, climb the leaderboard, and prove your speed.
Live Hands-Free Mock Interviewer
Two-way voice AI that talks back like a real FAANG interviewer. Listen, speak hands-free, and receive a comprehensive rubric scorecard.
AI Video Explainer
Paste code → get a narrated lecture video with animated pointer movements, line highlights, and memory diagrams in multiple languages.
ATS Resume Scanner
AI scans your resume against Amazon, Google & TCS interview matrices and tells you exactly what DSA problems you are missing.
College Classroom Hub
Professors create private batches with invite codes. Assign problem sets, track class mastery, and evaluate submissions with AI.
Code & Pointer Visualizer
PythonTutor-style step-by-step playback. Watch two-pointers move, variables update in stack frames, and array elements swap live.
Smart Spaced-Repetition Hub
Anki for algorithms. Review Sliding Window, Monotonic Stack & DP patterns at scientifically-backed 1, 3, 7, and 14-day intervals.
Big-O Runtime & Space Analyzer
One-click asymptotic spectrum gauge. Detects nested quadratic bottlenecks and prescribes FAANG optimization strategies.
XP Perks & Streak Freeze Shop
Spend earned coding XP on Streak Shields, Glowing Avatar Auras, and verified coder titles like "10x Engineer" and "FAANG Bound".
The Socratic Difference
See how Guru guides you step-by-step on #1 Two Sum — without giving away the answer.
Hint #1: Gentle Nudge
Think about what information you need to remember while iterating through `nums` so you don't need a nested O(n²) loop.
Meet the Visionaries Behind GuruCode
We started GuruCode with a single, uncompromising belief: every engineering student in India deserves access to elite, Silicon Valley-grade problem-solving mentorship without paying ₹50,000 to predatory bootcamps.
Harsh
Founder & Chief ArchitectFull-Stack Software Engineer & System Builder
FAANG & Product-Based Engineering Specialist
“I built GuruCode because I saw thousands of brilliant students in India being taken advantage of by expensive bootcamps that merely teach them to memorize solutions. When you memorize, you fail the moment an interviewer tweaks a single constraint.”
“Real software engineering is intuition—knowing why a hash map reduces nested quadratic scans to linear time, or how pointers divide search spaces logarithmically. GuruCode is strictly Socratic: our AI never gives away answers lazily; it asks guiding questions that train your brain to think like a staff engineer. Every aspiring coder from Mumbai to remote towns deserves this quality for free.”
Achal
Co-Founder & Head of Academic InnovationCurriculum Architect & Engineering Educator
Academia-Industry Bridging & Placement Systems
“There has always been a painful divide between traditional college syllabi and what high-frequency product companies evaluate in technical rounds. Students spend years writing theoretical exams, only to get intimidated during real technical screenings.”
“My mission with GuruCode is to inject industry-grade engineering rigor into every classroom: animated pointer visualizers, Big-O complexity diagnostics, spaced-repetition retention, and realistic 2-way AI mock interviews. We want every student—regardless of college tier—to graduate not just with a degree, but with verified problem-solving confidence.”
Popular Coding Challenges
Start practicing with top interview questions and patterns
Frequently Asked Questions about GuruCode
Common questions about India’s #1 Socratic AI coding and DSA platform (Guru Code).
What is GuruCode (Guru Code) and how does it work?
GuruCode (also known as Guru Code) is India’s premier AI Socratic coding and DSA platform. Unlike ChatGPT or traditional platforms that give away direct solutions, GuruCode provides 4-tier progressive hints that guide your intuition step-by-step so you learn why your code broke and master problem solving for FAANG interviews.
Is GuruCode free for students and developers?
Yes, GuruCode is 100% free forever. You get full access to 10,000+ coding problems across 9 CS domains, real compiler execution, 1v1 multiplayer code battles, AI mock interviews, and ATS resume scanning with zero hidden fees.
How is GuruCode different from LeetCode and HackerRank?
While LeetCode tests your solution against test cases, it leaves you stuck when you fail. GuruCode integrates a Socratic AI mentor that analyzes your specific syntax error, runtime bug, or algorithmic inefficiency, offering tailored hints in English and Hinglish without spoiling the answer. Additionally, GuruCode features live 1v1 ranked code battles and 2-way AI voice mock interviews.
How do the 1v1 Multiplayer Code Battles work on GuruCode?
In the GuruCode Battle Arena, coders compete head-to-head in real-time 15-minute duels. Both players code live while our runner executes hidden test cases in the background. The first developer to pass all tests wins the duel, gains ELO rating, and climbs the national leaderboard.
Can colleges and universities use GuruCode for classroom assignments?
Yes! Through GuruCode College Mode, professors and educators can create private batch classrooms with unique invite codes, distribute automated curriculum assignments, monitor student topic weaknesses, and conduct automated evaluations.
Your next coding interview starts today.
Free forever. No credit card. No fluff. Just you, a real coding judge, and an AI mentor that actually teaches.
✓ 10,000+ problems · ✓ Real code execution · ✓ FAANG-rubric interviews · ✓ Verified certificates