Pinterest vs ServiceNow Interview Questions

Pinterest lists 49 LeetCode interview questions while ServiceNow lists 71. They share 8 problems — 16% of Pinterest's bank and 11% of ServiceNow's. Focus on the overlap first, then drill into 41 Pinterest-only and 63 ServiceNow-only questions.

Overview

Pinterest

49 questions

Easy 1Medium 29Hard 19
ServiceNow

71 questions

Easy 7Medium 51Hard 13

Preparation Strategy

Step 1 — Shared core: Solve the 8 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Pinterest and ServiceNow.

Step 2 — Company-specific depth: Add Pinterest-specific problems like Count and Say, Reconstruct Itinerary, Shortest Path in a Grid with Obstacles Elimination and ServiceNow-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
Pinterest
1
ServiceNow
7
Medium
Pinterest
29
ServiceNow
51
Hard
Pinterest
19
ServiceNow
13

Top Shared Topics

8 Shared Questions

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

ProblemDifficulty
Coin ChangeMedium
String CompressionMedium
Target SumMedium
Combination SumMedium
Top K Frequent ElementsMedium
Letter Combinations of a Phone NumberMedium
Single Element in a Sorted ArrayMedium
Number of IslandsMedium

Unique to Pinterest (41)

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

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

Unique to ServiceNow (63)

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

ProblemDifficulty
LRU CacheMedium
Longest Substring Without Repeating CharactersMedium
Number of Distinct Roll SequencesHard
Lexicographically Smallest String After Operations With ConstraintMedium
Find Minimum Diameter After Merging Two TreesHard
Trapping Rain WaterHard
Maximum Score with Co-Prime ElementHard
Generate ParenthesesMedium
Valid ParenthesesEasy
Longest Repeating Character ReplacementMedium
Container With Most WaterMedium
Pacific Atlantic Water FlowMedium

Frequently Asked Questions

How many LeetCode questions do Pinterest and ServiceNow share?

Pinterest and ServiceNow share 8 LeetCode interview questions. 41 problems appear only in Pinterest's list and 63 appear only in ServiceNow's list.

What topics overlap most between Pinterest and ServiceNow?

The most common shared topics between Pinterest and ServiceNow are Array (6 shared questions), Backtracking (3 shared questions), Dynamic Programming (2 shared questions), Breadth-First Search (2 shared questions), String (2 shared questions). Mastering these areas prepares you for both companies.

Which company asks harder LeetCode questions: Pinterest or ServiceNow?

Pinterest has 1 Easy, 29 Medium, and 19 Hard questions. ServiceNow has 7 Easy, 51 Medium, and 13 Hard questions. Pinterest has a higher proportion of Hard problems in its interview set.

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

Start with the 8 shared problems since they cover what both companies ask most often. Then add 20 Pinterest-specific and 20 ServiceNow-specific questions to round out your prep.

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