Oracle vs Pinterest Interview Questions
Oracle lists 314 LeetCode interview questions while Pinterest lists 49. They share 20 problems — 6% of Oracle's bank and 41% of Pinterest's. Focus on the overlap first, then drill into 294 Oracle-only and 29 Pinterest-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 20 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Oracle and Pinterest.
Step 2 — Company-specific depth: Add Oracle-specific problems like LRU Cache, Longest Substring Without Repeating Characters, Two 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
Top Shared Topics
20 Shared Questions
High-priority problems to practice for both Oracle and Pinterest.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Top K Frequent Elements | Medium |
| Meeting Rooms II | Medium |
| Find Median from Data Stream | Hard |
| Coin Change | Medium |
| Implement Trie (Prefix Tree) | Medium |
| Letter Combinations of a Phone Number | Medium |
| Find First and Last Position of Element in Sorted Array | Medium |
| String Compression | Medium |
| Reorganize String | Medium |
| Maximum Profit in Job Scheduling | Hard |
| Single Element in a Sorted Array | Medium |
| Meeting Rooms III | Hard |
| Split Array Largest Sum | Hard |
| Count and Say | Medium |
| Multiply Strings | Medium |
| Sparse Matrix Multiplication | Medium |
| Sudoku Solver | Hard |
| Combination Sum | Medium |
| Bus Routes | Hard |
Unique to Oracle (294)
Problems in Oracle's list that do not appear at Pinterest.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Two Sum | Easy |
| Group Anagrams | Medium |
| Sliding Window Maximum | Hard |
| Valid Parentheses | Easy |
| Merge k Sorted Lists | Hard |
| Merge Intervals | Medium |
| Longest Palindromic Substring | Medium |
| Spiral Matrix | Medium |
| Minimum One Bit Operations to Make Integers Zero | Hard |
| LFU Cache | Hard |
Unique to Pinterest (29)
Problems in Pinterest's list that do not appear at Oracle.
Frequently Asked Questions
How many LeetCode questions do Oracle and Pinterest share?
Oracle and Pinterest share 20 LeetCode interview questions. 294 problems appear only in Oracle's list and 29 appear only in Pinterest's list.
What topics overlap most between Oracle and Pinterest?
The most common shared topics between Oracle and Pinterest are Array (13 shared questions), Hash Table (8 shared questions), Sorting (6 shared questions), String (6 shared questions), Heap (Priority Queue) (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Oracle or Pinterest?
Oracle has 61 Easy, 194 Medium, and 59 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 Oracle and Pinterest?
Start with the 20 shared problems since they cover what both companies ask most often. Then add 20 Oracle-specific and 20 Pinterest-specific questions to round out your prep.