Datologyai interview questions

Showing 1–3 of 3 results

• Cursor-Based Text Editor: Typing, Backspace, and Four-Way Cursor MovementHard

  Implement a TextEditor class with a single cursor that supports typing a character, backspace, and rendering the text with a | at the cursor, then extend it with left/right and up/down cursor movement. Tests choice of representation, per-operation cost, and boundary handling across lines of different lengths.

  DatologyaiSoftware EngineerSoftware Engineering FundamentalsTechnical Screen
• Text Editor with a Cursor: Typing, Backspace, and Four-Way Cursor MovementEasy

  Implement a text editor class that types characters at a cursor, deletes with backspace, and renders the text with a bar marking the cursor. Follow-ups add left/right and then up/down cursor movement, testing the choice of data structure for cheap edits, boundary handling, and line-aware navigation.

  DatologyaiSoftware EngineerSoftware Engineering FundamentalsTechnical Screen
• Word Count and Multiset Intersect Using Only a Mock Spark RDD APIEasy

  Given a minimal mock of a Spark RDD with only flatMap, groupByKey, union and collect, implement a word count function and a duplicate-preserving intersect of two RDDs. Tests composing transformations without map or reduce, tracking which input an item came from, and reasoning about the cost of grouping.

  DatologyaiSoftware EngineerSoftware Engineering FundamentalsTechnical Screen