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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OJ Problems
practice in the online judgeConstruct a Binary Tree from Preorder and Postorder TraversalCount House Segments After Sequential DeletionsSort Cyclic Shift Absolute-Difference CostsCount Numbers with an Even Number of DigitsSearch in Rotated Sorted Array with DuplicatesTask Scheduler with Add, Remove, and PopCourse Schedule FeasibilityMerge Overlapping Time IntervalsDetect a Pythagorean Triple in an Integer ArrayFind Median from Data StreamMinimum Window SubstringMinimum Stickers to Form a Target StringBuild a Nested Comment Tree from a Flat ListCourse ScheduleAdd Two Signed Integer StringsImplement an LRU CacheCount Islands and Return the Maximum Island SizeLongest Palindromic Substring (Manacher's Algorithm)Longest Palindromic Substring (Manacher's Algorithm)Binary SearchReverse Nodes in k-GroupMerge IntervalsLargest Number Less Than N Using Allowed DigitsLength of Longest Substring Without Repeating CharactersCount Subarrays Whose Sum Equals KMerge IntervalsDetermine Whether an Integer Is a PalindromeMeeting Rooms IIIMeeting Rooms IIBinary Tree Maximum Path Sum