ByteDance / TikTok Interview Question Bank
ByteDance / TikTok runs a strict one-round-at-a-time funnel with sharp org-by-org variance in bar, language, and round mix. Coding rounds skew toward classic LeetCode-medium with one self-built test case; MLE and SRE loops front-load 30+ minutes of oral 八股 before any code is written. Interviewer professionalism varies — strong candidates drive the round structurally rather than waiting to be assessed.
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Meeting Rooms IIMeeting RoomsSparse Matrix MultiplicationAll Paths from Source Lead to DestinationBurst BalloonsMaximum Weight Independent SetSliding Window MaximumWord LadderImplement Multi-Head Self-Attention in PyTorchTopological Ordering of a Directed GraphFind Median from Data StreamSerialize and Deserialize a Key-Value StorePossible BipartitionImplement Scaled Dot-Product AttentionDesign Tic-Tac-ToeMerge IntervalsKth Largest Element in an Array Without a HeapImplement Multi-Head Self-AttentionMaximum Fish Caught with Decreasing Pond YieldsImplement Multi-Head Self-AttentionLRU CacheCount of Smaller Numbers After SelfLRU CacheMinimum Meeting RoomsLongest Substring Without Repeating CharactersMedian of Two Sorted ArraysSpiral Matrix Traversal with O(1) Extra SpaceDetermine Whether a Tic-Tac-Toe Game Is OverImplement a Shared Pointer LibraryRemove a Length-k Subarray to Balance Alternating Index Sums