Machine Learning Engineer Data Structures & Algorithms Interview Questions

Review this list of 88 Data Structures & Algorithms Machine Learning Engineer interview questions and answers verified by hiring managers and candidates.

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Sudoku Solver
+410 months ago4 answers
Find the largest perimeter of an island given a two-dimensional array of 1's and 0's representing land and water.
2 years ago1 answer
Find the first common ancestor of two nodes in a binary tree.
9 months ago1 answer
Build a Basic Regex Parser
2 years ago2 answers
Given an array of integers and an integer k, find the number of continuous subarrays whose sum equals k.
4 months ago
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Given a list of lexicographically sorted strings in an unknown language, derive the correct order of letters in that language's alphabet.
a year ago
Find the lowest common ancestor (LCA) of two nodes in a binary tree.
+35 months ago10 answers
01 Matrix
2 years ago1 answer
Find the longest palindromic subsequence using dynamic programming.
+37 months ago13 answers
Find the common ancestors in a tree. Has video answer
8 months ago
Given a Directed Acyclic Graph (DAG), write a function to return the length of the longest path.
2 months ago
Given an array of points on a plane (x,y), write a function to return the distance between the closest pair of points.
2 years ago1 answer
Determine if an array of integers from 1 to n contains a duplicate in constant time and space.
2 years ago2 answers
Implement an efficient sparse matrix times vector multiplication.
3 months ago
Determine the minimum number of parentheses needed to balance a given string.
3 years ago
Design a data structure that supports insert, delete, search, and retrieve in constant time.
3 years ago1 answer
Given an organizational hierarchy, how would you model it so I can quickly find a person's direct reports and everyone under their department?
10 months ago
Print all combinations of numbers from 1 to n that sum to n.
+22 years ago2 answers
Traverse a matrix or grid to find the shortest path between point A and point B.
9 months ago
Efficiently find the next greatest element in an array.
3 years ago

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Machine Learning Engineer Data Structures & Algorithms Interview Questions

Sudoku Solver

Find the largest perimeter of an island given a two-dimensional array of 1's and 0's representing land and water.

Find the first common ancestor of two nodes in a binary tree.

Build a Basic Regex Parser

Given an array of integers and an integer k, find the number of continuous subarrays whose sum equals k.

Given a list of lexicographically sorted strings in an unknown language, derive the correct order of letters in that language's alphabet.

Find the lowest common ancestor (LCA) of two nodes in a binary tree.

01 Matrix

Find the longest palindromic subsequence using dynamic programming.

Find the common ancestors in a tree. Has video answer

Given a Directed Acyclic Graph (DAG), write a function to return the length of the longest path.

Given an array of points on a plane (x,y), write a function to return the distance between the closest pair of points.

Determine if an array of integers from 1 to n contains a duplicate in constant time and space.

Implement an efficient sparse matrix times vector multiplication.

Determine the minimum number of parentheses needed to balance a given string.

Design a data structure that supports insert, delete, search, and retrieve in constant time.

Given an organizational hierarchy, how would you model it so I can quickly find a person's direct reports and everyone under their department?

Print all combinations of numbers from 1 to n that sum to n.

Traverse a matrix or grid to find the shortest path between point A and point B.

Efficiently find the next greatest element in an array.

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