Oracle vs Zepto Interview Questions
Oracle lists 314 LeetCode interview questions while Zepto lists 24. They share 14 problems — 4% of Oracle's bank and 58% of Zepto's. Focus on the overlap first, then drill into 300 Oracle-only and 10 Zepto-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 14 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Oracle and Zepto.
Step 2 — Company-specific depth: Add Oracle-specific problems like LRU Cache, Two Sum, Group Anagrams and Zepto-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
14 Shared Questions
High-priority problems to practice for both Oracle and Zepto.
| Problem | Difficulty |
|---|---|
| Longest Substring Without Repeating Characters | Medium |
| Number of Islands | Medium |
| Sliding Window Maximum | Hard |
| Merge Intervals | Medium |
| Search in Rotated Sorted Array | Medium |
| Longest Consecutive Sequence | Medium |
| Rotting Oranges | Medium |
| Koko Eating Bananas | Medium |
| Decode String | Medium |
| Kth Largest Element in an Array | Medium |
| Next Permutation | Medium |
| Divide Two Integers | Medium |
| Find Peak Element | Medium |
| Path Sum III | Medium |
Unique to Oracle (300)
Problems in Oracle's list that do not appear at Zepto.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Two Sum | Easy |
| Group Anagrams | Medium |
| Top K Frequent Elements | Medium |
| Valid Parentheses | Easy |
| Merge k Sorted Lists | Hard |
| Meeting Rooms II | Medium |
| Longest Palindromic Substring | Medium |
| Spiral Matrix | Medium |
| Minimum One Bit Operations to Make Integers Zero | Hard |
| LFU Cache | Hard |
| Asteroid Collision | Medium |
Unique to Zepto (10)
Problems in Zepto's list that do not appear at Oracle.
| Problem | Difficulty |
|---|---|
| Longest Univalue Path | Medium |
| Minimum Cost For Tickets | Medium |
| Make Array Empty | Hard |
| Maximum Width Ramp | Medium |
| Find the Distance Value Between Two Arrays | Easy |
| Longest Repeating Character Replacement | Medium |
| Count Sub Islands | Medium |
| Unique Paths II | Medium |
| Maximum Good Subarray Sum | Medium |
| Car Pooling | Medium |
Frequently Asked Questions
How many LeetCode questions do Oracle and Zepto share?
Oracle and Zepto share 14 LeetCode interview questions. 300 problems appear only in Oracle's list and 10 appear only in Zepto's list.
What topics overlap most between Oracle and Zepto?
The most common shared topics between Oracle and Zepto are Array (10 shared questions), Binary Search (3 shared questions), Hash Table (2 shared questions), String (2 shared questions), Sliding Window (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Oracle or Zepto?
Oracle has 61 Easy, 194 Medium, and 59 Hard questions. Zepto has 1 Easy, 21 Medium, and 2 Hard questions. Oracle has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Oracle and Zepto?
Start with the 14 shared problems since they cover what both companies ask most often. Then add 20 Oracle-specific and 10 Zepto-specific questions to round out your prep.