Interview Cache
Master your next technical interview with real questions from industry leaders.
Bytedance
54 problems across 4 categories
| Done | Title | Difficulty | Updated |
|---|---|---|---|
| Minimize Increments to Equalize Path Costs NewSoftware EngineerCoding | Medium | May 12, 2026 | |
| Implement Sorted Search and Array Updates Site Reliability EngineerCoding | Medium | Apr 28, 2026 | |
| Find Maximum Candies With Two Types Software EngineerCoding | Medium | Apr 22, 2026 | |
| Implement Sliding Windows and LRU Cache Software EngineerCoding | Medium | Apr 20, 2026 | |
| Place Non-Attacking Queens Site Reliability EngineerCoding | Hard | Apr 19, 2026 | |
| Compute Minimum Parentheses Additions Data ScientistCoding | Medium | Apr 19, 2026 | |
| Calculate Triangle Probability From Broken Stick Data Scientist | Medium | Apr 19, 2026 | |
| Solve String Addition and Expression Evaluation Software EngineerCoding | Medium | Apr 16, 2026 | |
| Implement Expiring LRU Cache Software EngineerCoding | Hard | Apr 14, 2026 | |
| Find Words in a Character Grid Software EngineerCoding | Medium | Apr 14, 2026 | |
| Design a Real-Time Auction Platform Software EngineerSystem Design | Medium | Apr 14, 2026 | |
| Implement an LRU Cache Software EngineerCoding | Medium | Apr 12, 2026 | |
| Implement Interval Insert and Dedup Software EngineerCoding | Medium | Apr 10, 2026 | |
| Design a High-Frequency Job Scheduler Software EngineerSystem Design | Medium | Apr 10, 2026 | |
| Design a Content Moderation Platform Software EngineerSystem Design | Medium | Apr 10, 2026 | |
| Solve Sliding Window and Grid Search Software EngineerCoding | Medium | Apr 6, 2026 | |
| Find Maximum Chain Activations Site Reliability EngineerCoding | Medium | Apr 4, 2026 | |
| Reverse Words While Preserving Spaces Software EngineerCoding | Medium | Mar 29, 2026 | |
| Explain XGBoost's Overfitting Resistance Machine Learning Engineer | Medium | Mar 27, 2026 | |
| Design Self-Dealing Detection for Marketplaces Machine Learning EngineerSystem Design | Medium | Mar 27, 2026 | |
| Find Minimum Time Across a Grid Software EngineerCoding | Medium | Mar 18, 2026 | |
| Count Same-Day Registered Posters Data ScientistCoding | Medium | Mar 14, 2026 | |
| Analyze Product Launch and Creator Engagement Data Scientist | Medium | Mar 14, 2026 | |
| Find Top Creators and Login Streaks Data EngineerCoding | Medium | Mar 12, 2026 | |
| Compute square root with precision Software EngineerCoding | Hard | Mar 10, 2026 | |
| Add TTL to an LRU cache Software EngineerCoding | Hard | Mar 10, 2026 | |
| Explain train-test generalization gap Data Scientist | Easy | Mar 9, 2026 | |
| Implement several OA simulation problems Data ScientistCoding | Easy | Mar 5, 2026 | |
| How do you assess database system stability? Software EngineerCoding | Medium | Feb 28, 2026 | |
| Design a TinyURL-like short link service Software EngineerSystem Design | Medium | Feb 28, 2026 | |
| Find high-value crypto users and top CTR Data Analyst | Hard | Feb 23, 2026 | |
| Define Ultra success and detect suspicious transactions Data AnalystProduct Sense | Hard | Feb 23, 2026 | |
| Build a validated add-sub calculator Software EngineerCoding | Medium | Feb 18, 2026 | |
| Implement stacks, streaming median, and upward path sum Data ScientistCoding | Easy | Feb 17, 2026 | |
| Design multimodal deployment under compute limits Data Scientist | Easy | Feb 17, 2026 | |
| Count Similar Photo Groups Software EngineerCoding | Medium | Feb 15, 2026 | |
| Explain Train-Test Performance Gap Data Scientist | Easy | Feb 14, 2026 | |
| Write self-attention and cross-entropy pseudocode Machine Learning Engineer | Medium | Feb 12, 2026 | |
| Solve common string/DP/stack problems Software EngineerCoding | Medium | Feb 12, 2026 | |
| Plan QA testing for a new feature Software EngineerCoding | Easy | Feb 12, 2026 | |
| Maximize sum with no adjacent elements Machine Learning EngineerCoding | Medium | Feb 12, 2026 | |
| Implement stack variants and path-sum check Machine Learning EngineerCoding | Medium | Feb 12, 2026 | |
| Find the longest palindromic substring Software EngineerCoding | Easy | Feb 12, 2026 | |
| Explain overfitting, dropout, normalization, RL post-training Machine Learning Engineer | Medium | Feb 12, 2026 | |
| Design video captioning under compute limits Machine Learning EngineerSystem Design | Medium | Feb 12, 2026 | |
| Design automated regression tests for an API Software EngineerCoding | Easy | Feb 12, 2026 | |
| Solve the N-Queens problem Software EngineerCoding | Easy | Feb 11, 2026 | |
| Solve string grouping and tree right-view problems Software EngineerCoding | Medium | Feb 11, 2026 | |
| Solve common interview coding problems Software EngineerCoding | Medium | Feb 11, 2026 | |
| Design a model to choose dynamic K Machine Learning EngineerSystem Design | Medium | Feb 11, 2026 | |
| Delete nodes in linked list and binary tree Software EngineerCoding | Medium | Feb 11, 2026 | |
| Choose tools for scalable distributed systems Software EngineerSystem Design | Medium | Feb 11, 2026 | |
| Find high-value crypto users and top-CTR product Data Scientist | Easy | Feb 4, 2026 | |
| Define Ultra success metrics and detect suspicious transactions Data ScientistProduct Sense | Easy | Feb 4, 2026 |