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67 questions in the library. A source association does not guarantee a future interview question.

Behavioral and leadership · Coding · Machine learning · ML system design · System design

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Pinterest interview questions

Explore questions associated with Pinterest. Review the source details, then use the workspace for code, notes, and diagrams.

67 questions in the library. A source association does not guarantee a future interview question.

Behavioral and leadership · Coding · Machine learning · ML system design · System design

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67 questions

Showing 51–67

Machine learningHard
Explain your ML project end-to-end
Companies: Pinterest, Xometry
Open workspace
CodingHardLeetCode 282
Expression Add Operators
Given a digit string and a target value, insert the binary operators +, -, and * between digits (without creating operands with leading zeros) to…
Companies: Pinterest, LinkedIn, Meta
Backtracking · Math · String
Open workspace
Machine learningMedium
Hand-Compute a Small Neural Network Forward Pass with a Sigmoid Output
Companies: Pinterest
Neural Networks & Training
Open workspace

Page 3 of 3

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Pinterest interview questions | SysRound

Search questions

Question type

Difficulty

TopicType a topic, then choose one from the suggestions.

67 questions

Showing 51–67

Machine learningHard
Explain your ML project end-to-end
Companies: Pinterest, Xometry
Open workspace
CodingHardLeetCode 282
Expression Add Operators
Given a digit string and a target value, insert the binary operators +, -, and * between digits (without creating operands with leading zeros) to…
Companies: Pinterest, LinkedIn, Meta
Backtracking · Math · String
Open workspace
Machine learningMedium
Hand-Compute a Small Neural Network Forward Pass with a Sigmoid Output
Companies: Pinterest
Neural Networks & Training
Open workspace

Page 3 of 3

Machine learningEasy

Implement a Decision Tree Classifier and a Bagging Ensemble from Scratch

Companies: Pinterest

ML Coding · Supervised Learning

Open workspace

Machine learningEasy

Implement a k-Nearest Neighbors Classifier from Scratch

Companies: Pinterest

ML Coding · Supervised Learning

Open workspace

Machine learningMedium

Implement Gaussian Naive Bayes Training and Prediction from Scratch

Companies: Pinterest

ML Coding · Supervised Learning

Open workspace

Machine learningMedium

Implement Linear Regression with Batch Gradient Descent from Scratch

Companies: Pinterest

ML Coding · ML Fundamentals

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CodingMediumLeetCode 43

Multiply Strings

Multiply two non-negative integer strings without converting them to numeric types or using BigInteger: compute the product by simulating grade-school digit-by-digit…

Companies: Pinterest, Meta, Microsoft

Math · Simulation · String

Open workspace

CodingHardLeetCode 465

Optimal Account Balancing

Given a list of money transfers among people, compute the minimum number of transactions required to settle all debts so every person's net balance becomes…

Companies: Pinterest, Salesforce, Visa

Array · Backtracking · Bit Manipulation · Bitmask

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Machine learningMedium

Optimize Hyper-parameter Search to Prevent Combinatorial Explosion

Companies: Pinterest

Open workspace

Machine learningHard

Prevent Vanishing Gradients in Deep Networks

Companies: Pinterest

ML Fundamentals · Neural Networks & Training

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Machine learningHard

Recommend Three Boards When a User Saves a Pin

Companies: Pinterest

Feature Engineering · Recommendation Systems

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CodingHardLeetCode 410

Split Array Largest Sum

Split the array into k non-empty contiguous subarrays so that the maximum subarray sum is as small as possible, and return that minimized largest sum…

Companies: Pinterest, Amazon, Google, Microsoft +2

Array · Binary Search · Dynamic Programming · Greedy

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CodingMediumLeetCode 443

String Compression

Compress an array of characters in-place by replacing each run of consecutive identical characters with the character followed by its run length (omit the length…

Companies: Pinterest, Apple, Goldman Sachs, Morgan Stanley +1

String · Two Pointers

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CodingMediumLeetCode 494

Target Sum

Count how many ways to assign +/− to each element of nums so the signed sum equals target. This reduces to a subset-sum problem: count…

Companies: Pinterest, Meta

0-1 Knapsack · Array · Backtracking · Dynamic Programming

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Machine learningHard

Verify Machine-Learning Fundamentals for E-commerce Recommendation Platform

Companies: Pinterest

Open workspace

Machine learningMedium

Which Regularization Penalties Set Model Coefficients Exactly to Zero

Companies: Pinterest

ML Fundamentals · Regression & Statistical Modeling

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