ByteDance vs PhonePe Interview Questions
ByteDance lists 64 LeetCode interview questions while PhonePe lists 93. They share 15 problems — 23% of ByteDance's bank and 16% of PhonePe's. Focus on the overlap first, then drill into 49 ByteDance-only and 78 PhonePe-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 15 overlapping problems first. These are the highest-yield questions for candidates interviewing at both ByteDance and PhonePe.
Step 2 — Company-specific depth: Add ByteDance-specific problems like Remove Duplicate Letters, Smallest Subsequence of Distinct Characters, First Day Where You Have Been in All the Rooms and PhonePe-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: PhonePe skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
15 Shared Questions
High-priority problems to practice for both ByteDance and PhonePe.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Merge Intervals | Medium |
| House Robber | Medium |
| Maximal Square | Medium |
| Word Ladder | Hard |
| Trapping Rain Water | Hard |
| Rotting Oranges | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Accounts Merge | Medium |
| Longest Repeating Character Replacement | Medium |
| Remove K Digits | Medium |
| Longest Palindromic Substring | Medium |
| Jump Game | Medium |
| Sliding Window Maximum | Hard |
Unique to ByteDance (49)
Problems in ByteDance's list that do not appear at PhonePe.
| Problem | Difficulty |
|---|---|
| Remove Duplicate Letters | Medium |
| Smallest Subsequence of Distinct Characters | Medium |
| First Day Where You Have Been in All the Rooms | Medium |
| Course Schedule | Medium |
| Combination Sum | Medium |
| Basic Calculator II | Medium |
| Shortest Bridge | Medium |
| Regular Expression Matching | Hard |
| Top K Frequent Elements | Medium |
| Design Memory Allocator | Medium |
| Two Sum | Easy |
| Longest Increasing Subsequence | Medium |
Unique to PhonePe (78)
Problems in PhonePe's list that do not appear at ByteDance.
Frequently Asked Questions
How many LeetCode questions do ByteDance and PhonePe share?
ByteDance and PhonePe share 15 LeetCode interview questions. 49 problems appear only in ByteDance's list and 78 appear only in PhonePe's list.
What topics overlap most between ByteDance and PhonePe?
The most common shared topics between ByteDance and PhonePe are Array (10 shared questions), Dynamic Programming (6 shared questions), String (5 shared questions), Hash Table (4 shared questions), Breadth-First Search (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ByteDance or PhonePe?
ByteDance has 4 Easy, 51 Medium, and 9 Hard questions. PhonePe has 2 Easy, 58 Medium, and 33 Hard questions. PhonePe has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both ByteDance and PhonePe?
Start with the 15 shared problems since they cover what both companies ask most often. Then add 20 ByteDance-specific and 20 PhonePe-specific questions to round out your prep.