PhonePe vs X Interview Questions
PhonePe lists 93 LeetCode interview questions while X lists 51. They share 5 problems — 5% of PhonePe's bank and 10% of X's. Focus on the overlap first, then drill into 88 PhonePe-only and 46 X-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 5 overlapping problems first. These are the highest-yield questions for candidates interviewing at both PhonePe and X.
Step 2 — Company-specific depth: Add PhonePe-specific problems like Frog Jump, Burst Balloons, Decoded String at Index and X-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
5 Shared Questions
High-priority problems to practice for both PhonePe and X.
| Problem | Difficulty |
|---|---|
| Trapping Rain Water | Hard |
| Kth Smallest Element in a Sorted Matrix | Medium |
| Merge Intervals | Medium |
| LRU Cache | Medium |
| Alien Dictionary | Hard |
Unique to PhonePe (88)
Problems in PhonePe's list that do not appear at X.
Unique to X (46)
Problems in X's list that do not appear at PhonePe.
| Problem | Difficulty |
|---|---|
| Tweet Counts Per Frequency | Medium |
| Flatten Nested List Iterator | Medium |
| Implement Trie (Prefix Tree) | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Design Twitter | Medium |
| Binary Gap | Easy |
| Regular Expression Matching | Hard |
| Integer to Roman | Medium |
| Word Break II | Hard |
| Time Needed to Buy Tickets | Easy |
| Valid Parentheses | Easy |
| Max Points on a Line | Hard |
Frequently Asked Questions
How many LeetCode questions do PhonePe and X share?
PhonePe and X share 5 LeetCode interview questions. 88 problems appear only in PhonePe's list and 46 appear only in X's list.
What topics overlap most between PhonePe and X?
The most common shared topics between PhonePe and X are Array (4 shared questions), Sorting (2 shared questions), Two Pointers (1 shared questions), Dynamic Programming (1 shared questions), Stack (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: PhonePe or X?
PhonePe has 2 Easy, 58 Medium, and 33 Hard questions. X has 8 Easy, 31 Medium, and 12 Hard questions. PhonePe has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both PhonePe and X?
Start with the 5 shared problems since they cover what both companies ask most often. Then add 20 PhonePe-specific and 20 X-specific questions to round out your prep.