Oracle vs PayPal Interview Questions
Oracle lists 314 LeetCode interview questions while PayPal lists 105. They share 68 problems — 22% of Oracle's bank and 65% of PayPal's. Focus on the overlap first, then drill into 246 Oracle-only and 37 PayPal-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 68 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Oracle and PayPal.
Step 2 — Company-specific depth: Add Oracle-specific problems like Sliding Window Maximum, Merge k Sorted Lists, Meeting Rooms II and PayPal-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Oracle skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
68 Shared Questions
High-priority problems to practice for both Oracle and PayPal.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Number of Islands | Medium |
| Two Sum | Easy |
| Group Anagrams | Medium |
| Top K Frequent Elements | Medium |
| Valid Parentheses | Easy |
| Merge Intervals | Medium |
| Longest Palindromic Substring | Medium |
| Spiral Matrix | Medium |
| LFU Cache | Hard |
| Search in Rotated Sorted Array | Medium |
| Asteroid Collision | Medium |
| Remove All Adjacent Duplicates in String II | Medium |
| Container With Most Water | Medium |
| 3Sum | Medium |
| Trapping Rain Water | Hard |
| Longest Consecutive Sequence | Medium |
| Minimum Absolute Difference | Easy |
| Valid Anagram | Easy |
| Rotting Oranges | Medium |
| Maximum Subarray | Medium |
| Koko Eating Bananas | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Course Schedule | Medium |
| Find Median from Data Stream | Hard |
| Sort Colors | Medium |
| Maximum Number of Events That Can Be Attended | Medium |
| Median of Two Sorted Arrays | Hard |
| Coin Change | Medium |
Showing top 30 of 68 shared problems.
Unique to Oracle (246)
Problems in Oracle's list that do not appear at PayPal.
Unique to PayPal (37)
Problems in PayPal's list that do not appear at Oracle.
Frequently Asked Questions
How many LeetCode questions do Oracle and PayPal share?
Oracle and PayPal share 68 LeetCode interview questions. 246 problems appear only in Oracle's list and 37 appear only in PayPal's list.
What topics overlap most between Oracle and PayPal?
The most common shared topics between Oracle and PayPal are Array (21 shared questions), Sorting (9 shared questions), Hash Table (8 shared questions), String (6 shared questions), Two Pointers (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Oracle or PayPal?
Oracle has 61 Easy, 194 Medium, and 59 Hard questions. PayPal has 19 Easy, 69 Medium, and 17 Hard questions. Oracle has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Oracle and PayPal?
Start with the 68 shared problems since they cover what both companies ask most often. Then add 20 Oracle-specific and 20 PayPal-specific questions to round out your prep.