Mock Technical Interviews
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Interview resources
We've hosted 100K mock interviews and helped 10K engineers get jobs at great companies. All interviews below are shared with permission from both participants, with the intent of helping others learn.
Mock Interview Replays
\ \ FAANG Interviewer\ \ Design a Coding Practice Platform\ \ Admiral Hex,aFAANGengineer, interviewed Aerodynamic Lemur](/content/mocks/faang-system-design-coding-practice-platform/index.html)
\ \ FAANG Interviewer\ \ Online Bookstore Backend API \ \ Wheedling Zebra,aFAANGengineer, interviewed Double Hermit](/content/mocks/faang-system-design-online-bookstore/index.html)
\ \ FAANG Interviewer\ \ Amazon Prime Day Order Processing System\ \ Declarative Dragon,aFAANGengineer, interviewed Dialectic Thunderstorm](/content/mocks/faang-system-design-inventory-orders/index.html)
\ \ FAANG Interviewer\ \ The Problem: Dating App Backend (Medium)\ \ General Centurion,aFAANGengineer, interviewed Massive Lightning](/content/mocks/faang-system-design-dating-app/index.html)
\ \ FAANG Interviewer\ \ Longest Consecutive Sequence & Tree Cliff Grid\ \ Stealthy Elephant,aFAANGengineer, interviewed Hurricane Automaton in C++](/content/mocks/faang-cpp-longest-consecutive-sequence-tree-cliff/index.html)
\ \ FAANG Interviewer\ \ Counting Black Holes with Quadtree Binary Search\ \ Ferocious Lightning,aFAANGengineer, interviewed Distinguished Dromedary in Python](/content/mocks/faang-python-black-hole-quadtree-search/index.html)
\ \ FAANG Interviewer\ \ The Problem: ML Engineering Fundamentals (Medium)\ \ Admiral Hex,aFAANGengineer, interviewed Spasmodic Gyroscope](/content/mocks/faang-ml-engineering-fundamentals-1/index.html)
\ \ FAANG Interviewer\ \ Mock Machine Learning Interview (Beginner)\ \ Admiral Hex,aFAANGengineer, interviewed Mystic Thunderstorm](/content/mocks/ml-behavioral-interview-1/index.html)
\ \ FAANG Interviewer\ \ The Problem: Design a Dating Application (Medium)\ \ General Centurion,aFAANGengineer, interviewed Green Stingray](/content/mocks/faang-system-design-dating-app-backend/index.html)
\ \ FAANG Interviewer\ \ FAANG Engineering Manager Behavioral Interview (Medium)\ \ Hyper Penguin,aFAANGengineer, interviewed Ice Squab](/content/mocks/fanng-behavioral-interview-3/index.html)
\ \ FAANG Interviewer\ \ FAANG Engineering Manager Behavioral Interview (Medium)\ \ Hyper Penguin,aFAANGengineer, interviewed Secret Zebra](/content/mocks/fanng-behavioral-interview-2/index.html)
\ \ FAANG Interviewer\ \ FAANG Behavioral Interview (Engineering Manager Role)\ \ Doctor Malamute,aFAANGengineer, interviewed Neuro Storm](/content/mocks/fanng-behavioral-interview-1/index.html)
\ \ Netflix Interviewer\ \ Netflix Behavioral Interview (L5 Senior Engineer)\ \ Declarative Dragon,aNetflixengineer, interviewed Hipster Pangolin](/content/mocks/netflix-behavioral-interview-1/index.html)
\ \ Google Interviewer\ \ Design YouTube Recommendation System\ \ Doctor Malamute,aGoogleengineer, interviewed Hyper Taco](/content/mocks/google-system-design-youtube-recommendation-system/index.html)
\ \ Google Interviewer\ \ Islands After K Days of Erosion\ \ Immutable Lightning,aGoogleengineer, interviewed Verdant Gazelle in C++](/content/mocks/google-cplusplus-islands-after-k-days-of-erosion/index.html)
\ \ Meta Interviewer\ \ Design Yelp Recommendations\ \ The Incredible Pillow,aMetaengineer, interviewed Full Meta Tetrahedron](/content/mocks/meta-system-design-yelp-recommendations/index.html)
\ \ FAANG Interviewer\ \ Design an A/B Experimentation Platform\ \ Covert Gecko,aFAANGengineer, interviewed Dapper Badger](/content/mocks/faang-system-design-a-b-experimentation-platform/index.html)
\ \ FAANG Interviewer\ \ First Missing Positive\ \ Immutable Brontosaurus,aFAANGengineer, interviewed Cool Pumpkin in Python](/content/mocks/faang-python-first-missing-positive/index.html)
\ \ FAANG Interviewer\ \ Longest Consecutive Sequence\ \ Stealthy Elephant,aFAANGengineer, interviewed Factual Lightning in Go](/content/mocks/faang-go-longest-consecutive-sequence/index.html)
\ \ Meta Interviewer\ \ Closest Pair Sum\ \ Platinum Warrior,aMetaengineer, interviewed Exquisite Platypus in Python](/content/mocks/facebook-python-closest-pair-sum/index.html)
\ \ Google Interviewer\ \ Design a personalized news feed system\ \ Purple Brontosaurus,aGoogleengineer, interviewed Fluorescent Torch](/content/mocks/google-machine-learning-personalized-newsfeed-system/index.html)
\ \ Google Interviewer\ \ Delete Nodes and Return Forest\ \ Samurai Gyroscope,aGoogleengineer, interviewed Redolent Unicorn in Python](/content/mocks/google-python-delete-nodes-and-return-forest/index.html)
\ \ Amazon Interviewer\ \ Amazon Leadership Principles\ \ Covert Gecko,anAmazonengineer, interviewed Samurai Coyote](/content/mocks/amazon-behavioral-leadership-principles/index.html)
\ \ Google Interviewer\ \ Seat Allocation\ \ Purple Brontosaurus,aGoogleengineer, interviewed Meta Slide Rule in Python](/content/mocks/google-python-seat-allocation-at-scale/index.html)
\ \ Netflix Interviewer\ \ Payment Pipeline Design\ \ Cool Koala,aNetflixengineer, interviewed Eponymous Pigeon](/content/mocks/netflix-system-design-payment-pipeline/index.html)
\ \ Amazon Interviewer\ \ Calendar System\ \ Phantom Dictaphone,anAmazonengineer, interviewed The Mighty Platypus](/content/mocks/amazon-system-design-calendar-system/index.html)
\ \ Meta Interviewer\ \ Minimum Depth of Binary Tree\ \ Clandestine Snake,aMetaengineer, interviewed Diamond Pterodactyl in Python](/content/mocks/meta-python-minimum-depth-of-binary-tree/index.html)
\ \ FAANG Interviewer\ \ Photo Sharing Service\ \ Platinum Lambda,aFAANGengineer, interviewed Frumious Cronut](/content/mocks/faang-system-design-photo-sharing-service-2/index.html)
\ \ FAANG Interviewer\ \ Detect fraudulent and scam practices\ \ Nefarious Shadow,aFAANGengineer, interviewed Atomic Parallelogram](/content/mocks/faang-system-design-ml-detect-scam-and-fraudulent-practices/index.html)
\ \ Meta Interviewer\ \ Design Instagram Reels\ \ Admiral Hex,aMetaengineer, interviewed Giant Robot](/content/mocks/meta-system-design-ml-instagram-reels/index.html)
\ \ Meta Interviewer\ \ Odd Even Linked List\ \ Quantum Wolf,aMetaengineer, interviewed Crimson Turtle in Python](/content/mocks/facebook-python-odd-even-linked-list-2/index.html)
\ \ Google Interviewer\ \ Rate Limiter\ \ Doctor Squab,aGoogleengineer, interviewed The Legendary Waffle in Python](/content/mocks/google-python-rate-limiter/index.html)
\ \ Google Interviewer\ \ Design YouTube\ \ Teflon Possum,aGoogleengineer, interviewed Winged Shadow](/content/mocks/google-system-design-design-youtube/index.html)
\ \ Meta Interviewer\ \ Design a Centralized ML Management Platform\ \ Supersonic Seahorse,aMetaengineer, interviewed Occam's Chameleon](/content/mocks/facebook-system-design-centralized-ml-management-platform/index.html)
\ \ FAANG Interviewer\ \ Behavioral Interview\ \ Deliberate Pumpkin,aFAANGengineer, interviewed Ultra Automaton](/content/mocks/faang-behavioral-55/index.html)
\ \ Microsoft Interviewer\ \ Design gaming leaderboard\ \ Monadic Phoenix,aMicrosoftengineer, interviewed Functional Torch](/content/mocks/microsoft-system-design-gaming-leaderboard/index.html)
\ \ FAANG Interviewer\ \ Generate Valid Strings\ \ Stateless Samurai,aFAANGengineer, interviewed Cunning Bathrobe in Go](/content/mocks/faang-go-generate-valid-strings/index.html)
\ \ FAANG Interviewer\ \ Insert Interval\ \ The Legendary Avenger,aFAANGengineer, interviewed Magnetic Buffalo in Python](/content/mocks/faang-java-insert-interval/index.html)
\ \ Meta Interviewer\ \ Peaks and Valleys\ \ Absurd Penguin,aMetaengineer, interviewed Orthogonal Warrior](/content/mocks/facebook-typescript-peaks-or-valleys/index.html)
\ \ FAANG Interviewer\ \ Buildings with an ocean view\ \ Stochastic Panda,aFAANGengineer, interviewed Digital Fresh in C++](/content/mocks/faang-cplusplus-buildings-with-an-ocean-view/index.html)
\ \ Uber Interviewer\ \ K closest elements\ \ Blue Centurion,anUberengineer, interviewed Mutable Pigeon in Java](/content/mocks/uber-java-k-closest-elements/index.html)
\ \ FAANG Interviewer\ \ Job Scheduler\ \ Doctor Squab,aFAANGengineer, interviewed Mutant Anteater](/content/mocks/faang-system-design-job-scheduler-2/index.html)
\ \ Google Interviewer\ \ Rate Limiter\ \ Doctor Squab,aGoogleengineer, interviewed Professor Squirrel in Rust](/content/mocks/google-rust-rate-limiter/index.html)
\ \ FAANG Interviewer\ \ Clone Graph\ \ Admiral Hex,aFAANGengineer, interviewed Ferocious Singularity in Python](/content/mocks/faang-python-clone-graph/index.html)
\ \ FAANG Interviewer\ \ Shortest Path in Binary Matrix\ \ Stochastic Panda,aFAANGengineer, interviewed Effulgent Covariate in Java](/content/mocks/faang-java-shortest-path-in-binary-matrix/index.html)
\ \ Google Interviewer\ \ Design a leaderboard\ \ Red Maelstrom,aGoogleengineer, interviewed Professor Squirrel in Rust](/content/mocks/google-rust-design-a-leaderboard/index.html)
\ \ FAANG Interviewer\ \ Photo sharing service\ \ Platinum Lambda,aFAANGengineer, interviewed Orthogonal Warrior](/content/mocks/faang-system-design-photo-sharing-service/index.html)
\ \ Amazon Interviewer\ \ Unique Shapes in a Matrix\ \ Digital Avenger,anAmazonengineer, interviewed Rocket Broccoli in JavaScript](/content/mocks/amazon-javascript-unique-shapes-in-a-matrix/index.html)
\ \ FAANG Interviewer\ \ Random Pick with Weight\ \ The Legendary Avenger,aFAANGengineer, interviewed Admiral Samurai in Python](/content/mocks/faang-python-random-pick-with-weight/index.html)
\ \ Google Interviewer\ \ Minimum cost to construct string\ \ Rocket Wind,aGoogleengineer, interviewed Intrepid Panda in Python](/content/mocks/google-python-minimum-cost-to-construct-string-3/index.html)
\ \ FAANG Interviewer\ \ Jump game\ \ Red,aFAANGengineer, interviewed Wheedling Abacus in Python](/content/mocks/faang-python-jump-game/index.html)
\ \ FAANG Interviewer\ \ Unique Shapes in a Matrix\ \ Digital Avenger,aFAANGengineer, interviewed Laser Rabbit in Python](/content/mocks/faang-python-find-smallest-missing-number/index.html)
\ \ FAANG Interviewer\ \ Valid Word Abbreviation\ \ Continuous Hedgehog,aFAANGengineer, interviewed Secret Zebra in JavaScript](/content/mocks/faang-javascript-valid-word-abbreviation/index.html)
\ \ FAANG Interviewer\ \ Design Coderpad\ \ Indelible Hawk,aFAANGengineer, interviewed Secret Zebra](/content/mocks/faang-system-design-design-coderpad/index.html)
\ \ FAANG Interviewer\ \ Find the Minimum and Maximum Number of Nodes Between Critical Points\ \ Red Maelstrom,aFAANGengineer, interviewed Jocular Almond in Java](/content/mocks/faang-java-min-max-nodes-between-criticial-points/index.html)
\ \ Amazon Interviewer\ \ Unique Shapes in a Matrix\ \ Digital Avenger,anAmazonengineer, interviewed Full Metal Slide Rule in Go](/content/mocks/amazon-go-unique-shapes-in-a-matrix/index.html)
\ \ FAANG Interviewer\ \ Bus Routes\ \ Red Maelstrom,aFAANGengineer, interviewed Ruminative Pterodactyl in JavaScript](/content/mocks/faang-javascript-bus-routes/index.html)
\ \ Amazon Interviewer\ \ Unique Shapes in a Matrix\ \ Digital Avenger,anAmazonengineer, interviewed Cashmere Flamingo in Python](/content/mocks/amazon-python-unique-shapes-in-a-matrix/index.html)
\ \ Microsoft Interviewer\ \ Reverse Nodes in k-Group\ \ The Legendary Avenger,aMicrosoftengineer, interviewed Green Wolf in Python](/content/mocks/microsoft-python-reverse-nodes-in-k-group/index.html)
\ \ Meta Interviewer\ \ Longest Path in a Directed Graph\ \ Red Maelstrom,aMetaengineer, interviewed Electric Possum in Python](/content/mocks/facebook-python-longest-path-directed-graph/index.html)
\ \ Meta Interviewer\ \ Find the Minimum and Maximum Number of Nodes Between Critical Points\ \ Red Maelstrom,aMetaengineer, interviewed Indefatigable Awesome in Python](/content/mocks/facebook-python-min-max-nodes-between-criticial-points-3/index.html)
\ \ FAANG Interviewer\ \ Design Robinhood\ \ Stochastic Panda,aFAANGengineer, interviewed Nefarious Gargoyle](/content/mocks/faang-system-design-design-robinhood/index.html)
\ \ Meta Interviewer\ \ Find the Minimum and Maximum Number of Nodes Between Critical Points\ \ Red Maelstrom,aMetaengineer, interviewed Immutable Laser in Python](/content/mocks/facebook-python-min-max-nodes-between-criticial-points-2/index.html)
\ \ FAANG Interviewer\ \ Tic Tac Toe\ \ Stochastic Panda,aFAANGengineer, interviewed Occam's Laser in JavaScript](/content/mocks/faang-javascript-tic-tac-toe/index.html)
\ \ FAANG Interviewer\ \ Tech Lead Behavioral Questions\ \ Stochastic Panda,aFAANGengineer, interviewed Utilitarian Lemur](/content/mocks/faang-behavioral-tech-lead-manager/index.html)
\ \ FAANG Interviewer\ \ Overlapping Intervals\ \ Stochastic Storm,aFAANGengineer, interviewed DJ Flamingo in Python](/content/mocks/faang-python-overlapping-intervals/index.html)
\ \ FAANG Interviewer\ \ Number of Unique Islands\ \ Metal Taco,aFAANGengineer, interviewed Hyper Bandit in Java](/content/mocks/faang-java-number-of-unique-islands/index.html)
\ \ Meta Interviewer\ \ Design Live Comments\ \ Digital Cactus,aMetaengineer, interviewed Utilitarian Lemur](/content/mocks/facebook-system-design-design-live-comments/index.html)
\ \ Google Interviewer\ \ Simplified Blackjack\ \ The Mighty Anomaly,aGoogleengineer, interviewed Blue Panda in JavaScript](/content/mocks/google-javascript-simplified-blackjack/index.html)
\ \ Microsoft Interviewer\ \ Move Stones Over Grid\ \ The Legendary Avenger,aMicrosoftengineer, interviewed Gustatory Pumpkin in Ruby](/content/mocks/microsoft-ruby-move-stones-over-grid/index.html)
\ \ FAANG Interviewer\ \ Lowest Common Ancestor of a Binary Tree\ \ The Legendary Avenger,aFAANGengineer, interviewed Superimmune Chameleon in Python](/content/mocks/faang-python-lowest-common-ancestor/index.html)
\ \ Meta Interviewer\ \ Design a free food app\ \ Red Maelstrom,aMetaengineer, interviewed The Legendary Avenger](/content/mocks/facebook-system-design-design-a-free-food-app/index.html)
\ \ Google Interviewer\ \ Minimum cost to construct string\ \ Rocket Wind,aGoogleengineer, interviewed Massively Parallel Squirrel in Python](/content/mocks/google-python-minimum-cost-to-construct-string-2/index.html)
\ \ Meta Interviewer\ \ Finding Nearby Friends\ \ Red Maelstrom,aMetaengineer, interviewed Tasteful Pirate](/content/mocks/facebook-system-design-finding-nearby-friends/index.html)
\ \ Meta Interviewer\ \ Find the Minimum and Maximum Number of Nodes Between Critical Points\ \ Red Maelstrom,aMetaengineer, interviewed Propitious Dromedary in Python](/content/mocks/facebook-python-min-max-nodes-between-criticial-points/index.html)
\ \ FAANG Interviewer\ \ Banking Ledger\ \ The Legendary Avenger,aFAANGengineer, interviewed Indelible Torch](/content/mocks/faang-system-design-banking-ledger/index.html)
\ \ FAANG Interviewer\ \ Job Scheduler\ \ Deliberate Alligator,aFAANGengineer, interviewed Hipster Samurai](/content/mocks/faang-system-design-job-scheduler/index.html)
\ \ FAANG Interviewer\ \ RSS News Feed\ \ Adequate Goose,aFAANGengineer, interviewed Aerodynamic Tornado](/content/mocks/faang-system-design-rss-news-feed/index.html)
\ \ FAANG Interviewer\ \ Number of Unique Islands\ \ Fabled Lion,aFAANGengineer, interviewed Metal Taco in C++](/content/mocks/faang-cplusplus-number-of-unique-islands/index.html)
\ \ FAANG Interviewer\ \ Alien Dictionary\ \ Elemental Armadillo,aFAANGengineer, interviewed Mythic Goose in Python](/content/mocks/faang-python-alien-dictionary/index.html)
\ \ FAANG Interviewer\ \ Harmful Content Removal\ \ The Legendary Avenger,aFAANGengineer, interviewed Golden Pheasant](/content/mocks/ml-harmful-content-removal/index.html)
\ \ Google Interviewer\ \ Design Facebook Events\ \ The Grey Dictaphone,aGoogleengineer, interviewed Absurd Bandit](/content/mocks/google-system-design-design-facebook-events/index.html)
\ \ Amazon Interviewer\ \ Max living people\ \ Tea-Smoked Platypus,anAmazonengineer, interviewed Supreme Enigma in Python](/content/mocks/amazon-python-max-living-people/index.html)
\ \ Amazon Interviewer\ \ What are my friends buying\ \ Orange Malamute,anAmazonengineer, interviewed Manxome Possum in C++](/content/mocks/amazon-cplusplus-what-are-my-friends-buying/index.html)
\ \ Amazon Interviewer\ \ Online file storage\ \ Infinite Shadow,anAmazonengineer, interviewed Quantum Badger](/content/mocks/amazon-system-design-online-file-storage/index.html)
\ \ Amazon Interviewer\ \ Circular queue\ \ Orthogonal Typhoon,anAmazonengineer, interviewed Warp Lemming in Python](/content/mocks/amazon-python-circular-queue/index.html)
\ \ Amazon Interviewer\ \ Median of sorted lists\ \ Stateless Snake,anAmazonengineer, interviewed The Wild Husky in Java](/content/mocks/amazon-java-median-of-sorted-list/index.html)
\ \ Amazon Interviewer\ \ Charity donating system\ \ Hot Gyro,anAmazonengineer, interviewed Declarative Lion](/content/mocks/amazon-system-design-charity-donating-system/index.html)
\ \ Amazon Interviewer\ \ Video upload API\ \ Hot Gyro,anAmazonengineer, interviewed Wicked Gyroscope](/content/mocks/amazon-system-design-video-upload-api/index.html)
\ \ Amazon Interviewer\ \ Minimum tree depth\ \ Hot Gyro,anAmazonengineer, interviewed Wily Sandwich in Ruby](/content/mocks/amazon-ruby-minimum-tree-depth/index.html)
\ \ Amazon Interviewer\ \ Sort colors\ \ Hot Gyro,anAmazonengineer, interviewed The Masked Hedgehog in Python](/content/mocks/amazon-python-sort-colors/index.html)
\ \ Amazon Interviewer\ \ Substring Concatenation\ \ Sizzling Shadow,anAmazonengineer, interviewed Nimble Panda in Python](/content/mocks/amazon-python-substring-concatenation/index.html)
\ \ Amazon Interviewer\ \ Amazon ranking system\ \ Fabled Goblin,anAmazonengineer, interviewed Dialectic Singularity](/content/mocks/amazon-system-design-amazon-ranking-system/index.html)
\ \ Amazon Interviewer\ \ Closest Three Sum\ \ Hot Gyro,anAmazonengineer, interviewed Talking Rabit in Python](/content/mocks/amazon-python-closest-three-sum/index.html)
\ \ Amazon Interviewer\ \ Max product of stream\ \ Rocket Samurai,anAmazonengineer, interviewed Phantom Mammoth in JavaScript](/content/mocks/amazon-javascript-max-product-of-stream/index.html)
\ \ Amazon Interviewer\ \ Rod Cutting\ \ Rocket Samurai,anAmazonengineer, interviewed Orthogonal Iguana in C#](/content/mocks/amazon-csharp-rod-cutting/index.html)
\ \ Amazon Interviewer\ \ Boundary Traversal Binary Tree\ \ Rocket Samurai,anAmazonengineer, interviewed Dystopian Abacus in Python](/content/mocks/amazon-python-boundary-traversal-binary-tree/index.html)
\ \ Amazon Interviewer\ \ Boundary Traversal Binary Tree\ \ Rocket Samurai,anAmazonengineer, interviewed Colossal Typhoon in Java](/content/mocks/amazon-java-boundary-traversal-binary-tree/index.html)
\ \ Meta Interviewer\ \ Facebook Timeline Service\ \ Red Maelstrom,aMetaengineer, interviewed Epic Ibex](/content/mocks/facebook-timeline-service/index.html)
\ \ Amazon Interviewer\ \ Top K Frequent Elements\ \ Meta Dolphin,anAmazonengineer, interviewed Ironic Panda in C++](/content/mocks/amazon-top-k-frequent-elements/index.html)
\ \ Amazon Interviewer\ \ Next largest in BST\ \ Strident Sardine,anAmazonengineer, interviewed Vermillion Tortoise in Python](/content/mocks/amazon-next-largest-in-bst/index.html)
\ \ Amazon Interviewer\ \ Validate Binary Search Tree\ \ Indelible Raven,anAmazonengineer, interviewed Clandestine Borogove in Python](/content/mocks/amazon-validate-binary-search-tree/index.html)
\ \ Meta Interviewer\ \ Group Anagram\ \ Red Maelstrom,aMetaengineer, interviewed Meta Nougat in Python](/content/mocks/facebook-python-group-anagrams/index.html)
\ \ FAANG Interviewer\ \ Reverse Nodes in k-Group\ \ Existential Cronut,aFAANGengineer, interviewed Swift Thunder in Python](/content/mocks/Reverse-Nodes-in-k-Group/index.html)
\ \ Microsoft Interviewer\ \ Sum Root to Leaf Numbers\ \ The Legendary Avenger,aMicrosoftengineer, interviewed Recursive Snow in C#](/content/mocks/microsoft-sum-root-to-leaf-numbers/index.html)
\ \ Google Interviewer\ \ Triplet Array\ \ Rocket Wind,aGoogleengineer, interviewed Whirlwind Alligator in C#](/content/mocks/triplet-array/index.html)
\ \ Meta Interviewer\ \ Inorder Traversal\ \ Red Maelstrom,aMetaengineer, interviewed Mythic Platypus in Python](/content/mocks/facebook-python-inorder-traversal/index.html)
\ \ FAANG Interviewer\ \ Minimum Window Substring\ \ Red Maelstrom,aFAANGengineer, interviewed Declarative Bandersnatch in Java](/content/mocks/facebook-java-minimum-window-substring/index.html)
\ \ Meta Interviewer\ \ Lucky Numbers in a Matrix\ \ Red Maelstrom,aMetaengineer, interviewed Parallel Bandit in Python](/content/mocks/facebook-python-number-matrix/index.html)
\ \ Meta Interviewer\ \ Longest Path Direct Graph\ \ Red Maelstrom,aMetaengineer, interviewed Stochastic Hurricane in Java](/content/mocks/facebook-java-longest-path-direct-graph/index.html)
\ \ FAANG Interviewer\ \ Confusable number\ \ Sly Chinchilla,aFAANGengineer, interviewed Fresh Bear in JavaScript](/content/mocks/faang-javascript-confusable-auction-numbers/index.html)
\ \ Google Interviewer\ \ Design a free food app\ \ Red Maelstrom,aGoogleengineer, interviewed Immutable Penguin](/content/mocks/google-system-design-design-a-free-food-app/index.html)
\ \ Microsoft Interviewer\ \ Non-decreasing Array\ \ The Legendary Avenger,aMicrosoftengineer, interviewed Winter Penguin in Python](/content/mocks/microsoft-python-non-decreasing-array/index.html)
\ \ Meta Interviewer\ \ Remove Nth Node From End of List\ \ Laser Tardigrade,aMetaengineer, interviewed Massively Parallel Nougat in Python](/content/mocks/facebook-python-remove-nth-node-from-end-of-list/index.html)
\ \ Google Interviewer\ \ Minimum cost to construct string\ \ Rocket Wind,aGoogleengineer, interviewed Secret Lobster in Python](/content/mocks/google-python-minimum-cost-to-construct-string/index.html)
\ \ FAANG Interviewer\ \ Reconstruct Itinerary\ \ Recursive Werewolf,aFAANGengineer, interviewed Wandering Nougat in Java](/content/mocks/faang-java-reconstruct-itinerary/index.html)
\ \ Meta Interviewer\ \ Odd Even Linked List\ \ Quantum Wolf,aMetaengineer, interviewed Serpentine Hawk in Swift](/content/mocks/facebook-swift-odd-even-linked-list/index.html)
\ \ FAANG Interviewer\ \ Designing WhatsApp\ \ Flannel Artichoke,aFAANGengineer, interviewed Dialectic Avalanche](/content/mocks/faang-system-design-designing-whatsapp/index.html)
\ \ FAANG Interviewer\ \ Word Search\ \ Crafty Lobster,aFAANGengineer, interviewed Silver Fox in JavaScript](/content/mocks/amazon-javascript-word-search/index.html)
\ \ FAANG Interviewer\ \ Image Filter Service\ \ The Inimitable Thunderstorm,aFAANGengineer, interviewed Nihilistic Hawk](/content/mocks/faang-system-design-image-filter-service/index.html)
\ \ Amazon Interviewer\ \ Longest Substring With Maximum K Distinct Characters\ \ Imperative Broccoli,anAmazonengineer, interviewed Sagacious Astrolabe in Python](/content/mocks/amazon-python-longest-substring-with-maximum-k-distinct-characters/index.html)
\ \ Microsoft Interviewer\ \ Currency Conversion\ \ Winter Pumpkin,aMicrosoftengineer, interviewed Crimson Almond in Python](/content/mocks/microsoft-python-currency-conversion/index.html)
\ \ Amazon Interviewer\ \ What are my friends buying\ \ Orange Malamute,anAmazonengineer, interviewed The Incredible Squirrel in Java](/content/mocks/amazon-java-what-are-my-friends-buying/index.html)
\ \ Meta Interviewer\ \ Odd Even Linked List\ \ Quantum Wolf,aMetaengineer, interviewed Purple Griffin in Python](/content/mocks/facebook-python-odd-even-linked-list/index.html)
\ \ Microsoft Interviewer\ \ Word transformation search\ \ The Legendary Avenger,aMicrosoftengineer, interviewed Concomitant Coyote in Java](/content/mocks/microsoft-java-word-transformation-search/index.html)
\ \ Microsoft Interviewer\ \ Sneak to Exit Grid with Guards and Obstacles\ \ Stateless Donut,aMicrosoftengineer, interviewed Hot Elephant in Python](/content/mocks/microsoft-python-sneak-to-exit-grid-with-guards-and-obstacles/index.html)
\ \ Snowflake Interviewer\ \ ID generator\ \ Winged Avenger,aSnowflakeengineer, interviewed Ghost Koala in C++](/content/mocks/cplusplus-id-generator/index.html)
\ \ Google Interviewer\ \ K nearest restaurants\ \ Immutable Automaton,aGoogleengineer, interviewed Professor Squirrel in Rust](/content/mocks/google-rust-k-nearest-restaurants/index.html)
\ \ FAANG Interviewer\ \ Nodes in complete binary tree\ \ The Inimitable Thunderstorm,aFAANGengineer, interviewed Fluorescent Tortoise in Python](/content/mocks/amazon-python-nodes-in-complete-binary-tree/index.html)
\ \ Meta Interviewer\ \ Valid Palindrome\ \ Clandestine Hamburger,aMetaengineer, interviewed Aerodynamic Raven in Python](/content/mocks/facebook-python-palindrome-one-character-removed/index.html)
\ \ Amazon Interviewer\ \ Meeting Rooms\ \ Rocket Samurai,anAmazonengineer, interviewed Professor Squirrel in Rust](/content/mocks/amazon-rust-minimum-room-count/index.html)
\ \ Meta Interviewer\ \ Design Online Judge\ \ Digital Cactus,aMetaengineer, interviewed Aerodynamic Tortoise](/content/mocks/facebook-system-design-design-online-judge/index.html)
\ \ Google Interviewer\ \ Split Array Largest Sum\ \ Ferocious Sandwich,aGoogleengineer, interviewed Immutable Catamaran in Python](/content/mocks/google-python-split-array-largest-sum/index.html)
\ \ Amazon Interviewer\ \ Design LeetCode\ \ Metal Cephalopod,anAmazonengineer, interviewed Electric Tetrahedron](/content/mocks/amazon-system-design-design-leetcode/index.html)
\ \ Google Interviewer\ \ Employee Hierarchy\ \ Electric Avenger,aGoogleengineer, interviewed Massive Chameleon in Java](/content/mocks/google-java-employee-hierarchy/index.html)
\ \ Amazon Interviewer\ \ Extract leaves from tree\ \ Rocket Samurai,anAmazonengineer, interviewed Epic Gargoyle in Python](/content/mocks/amazon-python-extract-leaves-from-tree/index.html)
\ \ Meta Interviewer\ \ Fruit into baskets\ \ Digital Raven,aMetaengineer, interviewed Sensible Bassoon in Python](/content/mocks/facebook-python-count-max-fruit/index.html)
\ \ FAANG Interviewer\ \ Longest Palindromic Substring\ \ Occam's Unicorn,aFAANGengineer, interviewed Tea-Smoked Gyro in Python](/content/mocks/faang-python-longest-palindromic-substring/index.html)
\ \ Apple Interviewer\ \ Max contiguous subarray\ \ Mutable Alligator,anAppleengineer, interviewed Steampunk Dolphin in Java](/content/mocks/apple-java-max-contiguous-subarray/index.html)
\ \ Google Interviewer\ \ Print folder structure\ \ Astronomic Koala,aGoogleengineer, interviewed Intrepid Broccoli in Python](/content/mocks/google-python-print-folder-structure/index.html)
\ \ FAANG Interviewer\ \ Longest non-repeating character substring\ \ Flannel Artichoke,aFAANGengineer, interviewed Ghost Koala in C++](/content/mocks/faang-cplusplus-longest-non-repeating-character-substring/index.html)
\ \ Meta Interviewer\ \ XML Parser\ \ Mighty Jaguar,aMetaengineer, interviewed Redolent Broccoli in Python](/content/mocks/facebook-python-xml-parser-two/index.html)
\ \ Amazon Interviewer\ \ Efficient sampler\ \ Orange Malamute,anAmazonengineer, interviewed Verdant Gyroscope in Python](/content/mocks/amazon-python-efficient-sampler/index.html)
\ \ Spotify Interviewer\ \ Even palindrome generator\ \ The Benevolent Enigma,aSpotifyengineer, interviewed Spasmodic Donut in Java](/content/mocks/spotify-java-even-palindrome-generator/index.html)
\ \ Apple Interviewer\ \ Longest increasing path\ \ Mutable Alligator,anAppleengineer, interviewed Swift Pigeon in Python](/content/mocks/apple-python-longest-increasing-path/index.html)
\ \ Amazon Interviewer\ \ Partition Equal Subset Sum\ \ Atomic Snow,anAmazonengineer, interviewed Verdant Gyroscope in Python](/content/mocks/amazon-python-split-array-sum-equally/index.html)
\ \ Microsoft Interviewer\ \ Even Odd Tree\ \ Mighty Hamburger,aMicrosoftengineer, interviewed Sartorial Jaguar in C++](/content/mocks/cplusplus-odd-even-tree/index.html)
\ \ FAANG Interviewer\ \ Maximum Population Year\ \ Tea-Smoked Platypus,aFAANGengineer, interviewed Green Robot in Python](/content/mocks/faang-python-max-people-alive/index.html)
\ \ Samsung Interviewer\ \ Bipartite graph\ \ Kind Dragon,aSamsungengineer, interviewed Ghost Armadillo in Python](/content/mocks/samsung-python-bipartite-graph/index.html)
\ \ FAANG Interviewer\ \ Target Sum\ \ Chaotic Llama,aFAANGengineer, interviewed Aerodynamic Hobbit in C++](/content/mocks/cplusplus-target-sum/index.html)
\ \ Google Interviewer\ \ Binary tree upside down\ \ Ferocious Chameleon,aGoogleengineer, interviewed Occam's Malamute in Python](/content/mocks/google-python-binary-tree-upside-down/index.html)
\ \ Snowflake Interviewer\ \ Decode string\ \ Supreme Kraken,aSnowflakeengineer, interviewed Stealthy Hawk in Python](/content/mocks/snowflake-python-decode-string/index.html)
\ \ Meta Interviewer\ \ XML parser\ \ Mighty Jaguar,aMetaengineer, interviewed Warm Dingo in Python](/content/mocks/facebook-python-xml-parser/index.html)
\ \ FAANG Interviewer\ \ Max water in well\ \ Festive Tsunami,aFAANGengineer, interviewed Adequate Gyroscope in Python](/content/mocks/faang-python-max-water-in-well/index.html)
\ \ Meta Interviewer\ \ Tree serialization\ \ Mechanical Llama,aMetaengineer, interviewed Kind Dragon in Python](/content/mocks/facebook-python-tree-serialization/index.html)
\ \ Google Interviewer\ \ Alien Dictionary\ \ Contrarian Burrito,aGoogleengineer, interviewed Teflon Artichoke in C++](/content/mocks/google-c-alien-dictionary-two/index.html)
\ \ VMware Interviewer\ \ Linked list intersection\ \ The Masked Hedgehog,aVMwareengineer, interviewed Ghost Armadillo in Python](/content/mocks/vm-ware-python-linked-list-intersection/index.html)
\ \ Microsoft Interviewer\ \ Unique ID generation\ \ Invincible Cloud,aMicrosoftengineer, interviewed Golden Possum](/content/mocks/microsoft-system-design-unique-id-generation/index.html)
\ \ Meta Interviewer\ \ Prefix pairs\ \ Mechanical Llama,aMetaengineer, interviewed Supreme Beast in C++](/content/mocks/meta-cplusplus-prefix-pairs/index.html)
\ \ interviewing.io Interviewer\ \ Print k largest elements\ \ The Incredible Croc,aninterviewing.ioengineer, interviewed Quantum Cheetah in Python](/content/mocks/interviewing.io-python-print-k-largest-elements/index.html)
\ \ MathWorks Interviewer\ \ Verify rotated integer\ \ Jocular Panther,aMathWorksengineer, interviewed Quantum Tetrahedron in Java](/content/mocks/mathworks-java-verify-rotated-integer/index.html)
\ \ Microsoft Interviewer\ \ K closest points\ \ Indelible Raven,aMicrosoftengineer, interviewed Inventive Wind in Java](/content/mocks/microsoft-java-k-closest-points-two/index.html)
\ \ Walmart Interviewer\ \ Permutation in string\ \ Mythic Unicorn,aWalmartengineer, interviewed Phantom Storm in Python](/content/mocks/walmart-python-permutation-in-string/index.html)
\ \ Wurl Interviewer\ \ Evaluate Unix path\ \ Intrepid Hawk,aWurlengineer, interviewed Spasmodic Pheasant in Java](/content/mocks/wurl-java-evaluate-unix-path/index.html)
\ \ Google Interviewer\ \ Maximum sum subarray\ \ Epic Iguana,aGoogleengineer, interviewed Awesome Llama in C#](/content/mocks/google-csharp-maximum-sum-subarray/index.html)
\ \ LinkedIn Interviewer\ \ Two sum\ \ Existential Crumpet,aLinkedInengineer, interviewed Chaotic Pizza in JavaScript](/content/mocks/linked-in-javascript-two-sum/index.html)
\ \ FireEye Interviewer\ \ Three sum\ \ Warp Dromedary,aFireEyeengineer, interviewed Samurai Loris in Java](/content/mocks/fire-eye-java-three-sum/index.html)
\ \ Palantir Interviewer\ \ Smallest sufficient substring\ \ Stochastic Robot,aPalantirengineer, interviewed Supreme Armadillo in Python](/content/mocks/palantir-python-smallest-sufficient-substring/index.html)
\ \ Microsoft Interviewer\ \ LRU cache\ \ Admiral Lambda,aMicrosoftengineer, interviewed Inventive Lizard in Python](/content/mocks/microsoft-python-lru-cache/index.html)
\ \ Microsoft Interviewer\ \ Merge linked lists in order\ \ Astronomic Avenger,aMicrosoftengineer, interviewed Efficacious Pirate in Python](/content/mocks/microsoft-python-merge-linked-lists-in-order/index.html)
\ \ Google Interviewer\ \ Alien dictionary\ \ Elemental Pigeon,aGoogleengineer, interviewed Samurai Unicorn in C++](/content/mocks/google-cplusplus-alien-dictionary/index.html)
\ \ Snap Interviewer\ \ Print linked list reverse\ \ DJ Cyclone,aSnapengineer, interviewed Epic Rainbow in C++](/content/mocks/cplusplus-print-linked-list-reverse/index.html)
\ \ Microsoft Interviewer\ \ Subarray sum equals K\ \ Magnetic Rainbow,aMicrosoftengineer, interviewed Winter Squirrel in JavaScript](/content/mocks/microsoft-javascript-subarray-sum-equals-k/index.html)
\ \ Google Interviewer\ \ Walls and gates\ \ Spasmodic Awesome,aGoogleengineer, interviewed Hot Gyro in Java](/content/mocks/google-java-walls-and-gates/index.html)
\ \ Apple Interviewer\ \ Count islands\ \ General Avenger,anAppleengineer, interviewed Phantom Dragon in Python](/content/mocks/apple-python-count-islands/index.html)
\ \ Block/Square Interviewer\ \ Sleep sort\ \ Eponymous Squirrel,aBlock/Squareengineer, interviewed The Phenomenal Lemur in Java](/content/mocks/square-java-sleep-sort/index.html)
\ \ Block/Square Interviewer\ \ Threaded order of execution\ \ Eponymous Squirrel,aBlock/Squareengineer, interviewed Dystopian Sphinx in Python](/content/mocks/square-python-threaded-order-of-execution/index.html)
\ \ Shopify Interviewer\ \ Validate string against dictionary\ \ Captain Hamburger,aShopifyengineer, interviewed Dystopian Corgi in Ruby](/content/mocks/shopify-ruby-validate-string-against-dictionary/index.html)
\ \ Google Interviewer\ \ Highest peak\ \ Ironic Bratwurst,aGoogleengineer, interviewed Analog Nebula in Java](/content/mocks/google-java-highest-peak/index.html)
\ \ Salesforce Interviewer\ \ Make change\ \ Epic Cheetah,aSalesforceengineer, interviewed Mighty Lemming in Python](/content/mocks/salesforce-python-make-change/index.html)
\ \ LinkedIn Interviewer\ \ Falling leaves of a tree\ \ Existential Crumpet,aLinkedInengineer, interviewed Neuro Owl in Go](/content/mocks/linked-in-go-falling-leaves-of-a-tree/index.html)
\ \ Meta Interviewer\ \ Infinite binary print\ \ Stateless Samurai,aMetaengineer, interviewed Purple Hurricane in Java](/content/mocks/facebook-java-infinite-binary-print/index.html)
\ \ Snap Interviewer\ \ Copy list with random pointers\ \ DJ Cyclone,aSnapengineer, interviewed Parallel Prism in C++](/content/mocks/snap-cplus-plus/index.html)
\ \ Snap Interviewer\ \ Deep copy linked list\ \ DJ Cyclone,aSnapengineer, interviewed Massively Parallel Hedgehog in Python](/content/mocks/snap-python-deep-copy-linked-list/index.html)
\ \ Google Interviewer\ \ File parsing\ \ Intergalactic Avenger,aGoogleengineer, interviewed The Incredible Hawk](/content/mocks/google-system-design-file-parsing/index.html)
\ \ Microsoft Interviewer\ \ K nearest points\ \ Indelible Raven,aMicrosoftengineer, interviewed Pseudo Gyroscope in C++](/content/mocks/microsoft-cplusplus-k-nearest-points/index.html)
\ \ Microsoft Interviewer\ \ K closest points\ \ Indelible Raven,aMicrosoftengineer, interviewed Supreme Gyro in C++](/content/mocks/cplusplus-k-closest-points/index.html)
\ \ Google Interviewer\ \ Max heap\ \ Intergalactic Avenger,aGoogleengineer, interviewed Double Pizza in Java](/content/mocks/google-java-max-heap/index.html)
\ \ Microsoft Interviewer\ \ K closest points\ \ Indelible Raven,aMicrosoftengineer, interviewed Nimble Pumpkin in JavaScript](/content/mocks/microsoft-javascript-k-closest-points/index.html)
\ \ Google Interviewer\ \ Distributed databases\ \ Intergalactic Avenger,aGoogleengineer, interviewed Space Pheonix](/content/mocks/google-system-design-distributed-databases/index.html)
\ \ Microsoft Interviewer\ \ Reverse string\ \ Indelible Raven,aMicrosoftengineer, interviewed Swift Dinosaur in Python](/content/mocks/microsoft-python-reverse-string/index.html)
\ \ Google Interviewer\ \ Defeat the enemy\ \ Intergalactic Avenger,aGoogleengineer, interviewed Iron Gyroscope](/content/mocks/google-redcode-defeat-the-enemy/index.html)
\ \ Google Interviewer\ \ Memory efficient lookup\ \ Intergalactic Avenger,aGoogleengineer, interviewed Samurai Razor in JavaScript](/content/mocks/google-javascript-memory-efficient-lookup/index.html)
\ \ Google Interviewer\ \ Partition array and public transportation\ \ Electric Burrito,aGoogleengineer, interviewed Rocket Tiger in Python](/content/mocks/google-python-partition-array-and-public-transportation/index.html)
\ \ Microsoft Interviewer\ \ K closest points\ \ Indelible Raven,aMicrosoftengineer, interviewed Inventive Wind in Java](/content/mocks/microsoft-java-k-closest-points/index.html)
\ \ Google Interviewer\ \ Delete nodes from a binary tree\ \ Talking Fox,aGoogleengineer, interviewed Kind Ibex in Java](/content/mocks/google-java-delete-nodes-from-tree/index.html)
\ \ Microsoft Interviewer\ \ List partition (quicksort)\ \ Astronomic Avenger,aMicrosoftengineer, interviewed Factual Hedgehog in C#](/content/mocks/csharp-list-partition-quicksort/index.html)
\ \ Google Interviewer\ \ Most frequent integer and pairs of integers sum\ \ Paisley Wallaby,aGoogleengineer, interviewed Propitious Bear in Java](/content/mocks/google-java-most-frequent-integer-and-pairs-of-integers-sum/index.html)
\ \ Slack Interviewer\ \ Transformation dictionary\ \ Spasmodic Pizza,aSlackengineer, interviewed Winter Griffin in Python](/content/mocks/slack-python-transformation-dictionary/index.html)
\ \ Microsoft Interviewer\ \ Longest consecutive sequence\ \ Astronomic Avenger,aMicrosoftengineer, interviewed Double Astrolabe in Python](/content/mocks/microsoft-python-max-consecutive-sequence/index.html)
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