Machine Learning Engineer Coding Interview Questions

Review this list of 100 Coding Machine Learning Engineer interview questions and answers verified by hiring managers and candidates.

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Coin Change
+16 months ago12 answers
Given a Directed Acyclic Graph (DAG), write a function to return the length of the longest path.
2 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
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Given the root of a binary tree, return the vertical order traversal of its node values from top to bottom, column by column. Nodes in the same row and column should be ordered left to right.
5 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 a DAG of dependencies, how do you order execution correctly?
8 months ago
Given a biased coin function, write another function to make it return heads or tails with equal probability.
3 years ago
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
Apply the quadratic formula to a sorted array such that the resulting array is still sorted.
3 years ago

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Machine Learning Engineer Coding Interview Questions

Coin Change

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

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.

Given the root of a binary tree, return the vertical order traversal of its node values from top to bottom, column by column. Nodes in the same row and column should be ordered left to right.

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 a DAG of dependencies, how do you order execution correctly?

Given a biased coin function, write another function to make it return heads or tails with equal probability.

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.

Apply the quadratic formula to a sorted array such that the resulting array is still sorted.

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