Machine Learning Engineer Data Structures & Algorithms Interview Questions

Review this list of 81 Data Structures & Algorithms Machine Learning Engineer interview questions and answers verified by hiring managers and candidates.

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01 Matrix
2 years ago1 answer
Find the common ancestors in a tree. Has video answer
7 months ago
Find the lowest common ancestor (LCA) of two nodes in a binary tree.
+2a year ago9 answers
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
Given a Directed Acyclic Graph (DAG), write a function to return the length of the longest path.
2 months ago
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Given an organizational hierarchy, how would you model it so I can quickly find a person's direct reports and everyone under their department?
9 months ago
Traverse a matrix or grid to find the shortest path between point A and point B.
8 months ago
Determine if an array of integers from 1 to n contains a duplicate in constant time and space.
2 years ago2 answers
Find the longest palindromic subsequence using dynamic programming.
+36 months ago10 answers
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
Print all combinations of numbers from 1 to n that sum to n.
+22 years ago2 answers
Efficiently find the next greatest element in an array.
3 years ago
Find the dot product of two sparse vectors.
3 years ago
Determine if two words are sorted in lexicographic order.
3 years ago
Check the correct placement of parentheses in a string.
3 years ago
Given an array of integers, find a tuple of three integers that can form a triangle.
3 years ago1 answer
Convert a matrix to a quad tree.
3 years ago
Calculate the height of a binary tree.
2 years ago3 answers
Given an array of children’s ratings, assign at least one candy to each child so that higher-rated children get more than their neighbors, and return the minimum total candies needed.
a year ago

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Machine Learning Engineer Data Structures & Algorithms Interview Questions

01 Matrix

Find the common ancestors in a tree. Has video answer

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

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

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

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

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

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

Find the longest palindromic subsequence using dynamic programming.

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.

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

Efficiently find the next greatest element in an array.

Find the dot product of two sparse vectors.

Determine if two words are sorted in lexicographic order.

Check the correct placement of parentheses in a string.

Given an array of integers, find a tuple of three integers that can form a triangle.

Convert a matrix to a quad tree.

Calculate the height of a binary tree.

Given an array of children’s ratings, assign at least one candy to each child so that higher-rated children get more than their neighbors, and return the minimum total candies needed.

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