Blackrock Software Engineer Coding & Algorithms Interview Questions
Master your tech interview with our curated database of real questions from top companies.
3Questions
1Company
3 Questions 1 Company
Showing 3 results
BlackRock
Easy
Software EngineerDesign paint editor with undo/redo
Implement a simplified Paint editor that supports drawing on a 2D canvas and reverting changes using undo and redo operations. Canvas You are given a ...
Coding & Algorithms
0
0
Dec 8, 2025
BlackRock
Medium
Software EngineerSolve hierarchy distance and digit-square convergence
You have two independent tasks: A) Organization hierarchy distance Given a list of (employee, manager) pairs that form a complete hierarchy (a single ...
Coding & Algorithms
0
0
Sep 6, 2025
BlackRock
Medium
Software EngineerImplement sorting and set intersection with input parsing
Write two functions and explain your approach in under two minutes after coding: (A) Sorting: Implement sort_numbers(nums: List[int]) -> List[int] tha...
Coding & Algorithms
0
0
Sep 6, 2025