DoorDash vs Pinterest Interview Questions

DoorDash lists 78 LeetCode interview questions while Pinterest lists 49. They share 4 problems — 5% of DoorDash's bank and 8% of Pinterest's. Focus on the overlap first, then drill into 74 DoorDash-only and 45 Pinterest-only questions.

Overview

DoorDash

78 questions

Easy 7Medium 45Hard 26
Pinterest

49 questions

Easy 1Medium 29Hard 19

Preparation Strategy

Step 1 — Shared core: Solve the 4 overlapping problems first. These are the highest-yield questions for candidates interviewing at both DoorDash and Pinterest.

Step 2 — Company-specific depth: Add DoorDash-specific problems like Walls and Gates, Longest Increasing Path in a Matrix, Binary Tree Maximum Path Sum and Pinterest-specific problems from the exclusive lists below.

Step 3 — Difficulty tuning: Pinterest skews harder in our data. Budget extra time for Hard problems if you are targeting that company.

Difficulty Comparison

Easy
DoorDash
7
Pinterest
1
Medium
DoorDash
45
Pinterest
29
Hard
DoorDash
26
Pinterest
19

Top Shared Topics

4 Shared Questions

High-priority problems to practice for both DoorDash and Pinterest.

ProblemDifficulty
Maximum Profit in Job SchedulingHard
Implement Trie (Prefix Tree)Medium
Number of IslandsMedium
Sudoku SolverHard

Unique to DoorDash (74)

Problems in DoorDash's list that do not appear at Pinterest.

ProblemDifficulty
Walls and GatesMedium
Longest Increasing Path in a MatrixHard
Binary Tree Maximum Path SumHard
Search Suggestions SystemMedium
Koko Eating BananasMedium
Single-Threaded CPUMedium
Design File SystemMedium
Shortest Distance from All BuildingsHard
Check if One String Swap Can Make Strings EqualEasy
Most Profit Assigning WorkMedium
Design In-Memory File SystemHard
Buddy StringsEasy

Unique to Pinterest (45)

Problems in Pinterest's list that do not appear at DoorDash.

ProblemDifficulty
Count and SayMedium
Reconstruct ItineraryHard
Shortest Path in a Grid with Obstacles EliminationHard
Optimal Account BalancingHard
Count Subarrays With Score Less Than KHard
Bus RoutesHard
Expression Add OperatorsHard
Find Median from Data StreamHard
Shortest Way to Form StringMedium
Is SubsequenceEasy
Reorganize StringMedium
Design Search Autocomplete SystemHard

Frequently Asked Questions

How many LeetCode questions do DoorDash and Pinterest share?

DoorDash and Pinterest share 4 LeetCode interview questions. 74 problems appear only in DoorDash's list and 45 appear only in Pinterest's list.

What topics overlap most between DoorDash and Pinterest?

The most common shared topics between DoorDash and Pinterest are Array (3 shared questions), Hash Table (2 shared questions), Matrix (2 shared questions), Binary Search (1 shared questions), Dynamic Programming (1 shared questions). Mastering these areas prepares you for both companies.

Which company asks harder LeetCode questions: DoorDash or Pinterest?

DoorDash has 7 Easy, 45 Medium, and 26 Hard questions. Pinterest has 1 Easy, 29 Medium, and 19 Hard questions. Pinterest has a higher proportion of Hard problems in its interview set.

How should I prepare if interviewing at both DoorDash and Pinterest?

Start with the 4 shared problems since they cover what both companies ask most often. Then add 20 DoorDash-specific and 20 Pinterest-specific questions to round out your prep.

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