Infosys vs PayPal Interview Questions
Infosys lists 105 LeetCode interview questions while PayPal lists 105. They share 30 problems — 29% of Infosys's bank and 29% of PayPal's. Focus on the overlap first, then drill into 75 Infosys-only and 75 PayPal-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 30 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Infosys and PayPal.
Step 2 — Company-specific depth: Add Infosys-specific problems like Maximum Good Subtree Score, Find Building Where Alice and Bob Can Meet, Minimum Reverse Operations and PayPal-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: PayPal skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
30 Shared Questions
High-priority problems to practice for both Infosys and PayPal.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Valid Parentheses | Easy |
| Maximum Subarray | Medium |
| Valid Anagram | Easy |
| Rotate Image | Medium |
| Trapping Rain Water | Hard |
| Product of Array Except Self | Medium |
| Merge Intervals | Medium |
| Spiral Matrix | Medium |
| Coin Change | Medium |
| 3Sum | Medium |
| Group Anagrams | Medium |
| Move Zeroes | Easy |
| Kth Largest Element in an Array | Medium |
| Longest Palindromic Substring | Medium |
| Climbing Stairs | Easy |
| House Robber | Medium |
| Number of Islands | Medium |
| Longest Consecutive Sequence | Medium |
| Find the Index of the First Occurrence in a String | Easy |
| Subarray Sum Equals K | Medium |
| Median of Two Sorted Arrays | Hard |
| Subsets | Medium |
| Combination Sum | Medium |
| Koko Eating Bananas | Medium |
| Container With Most Water | Medium |
| Search in Rotated Sorted Array | Medium |
| Jump Game | Medium |
Unique to Infosys (75)
Problems in Infosys's list that do not appear at PayPal.
Unique to PayPal (75)
Problems in PayPal's list that do not appear at Infosys.
Frequently Asked Questions
How many LeetCode questions do Infosys and PayPal share?
Infosys and PayPal share 30 LeetCode interview questions. 75 problems appear only in Infosys's list and 75 appear only in PayPal's list.
What topics overlap most between Infosys and PayPal?
The most common shared topics between Infosys and PayPal are Array (24 shared questions), Dynamic Programming (8 shared questions), Hash Table (6 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: Infosys or PayPal?
Infosys has 32 Easy, 57 Medium, and 16 Hard questions. PayPal has 19 Easy, 69 Medium, and 17 Hard questions. PayPal has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Infosys and PayPal?
Start with the 30 shared problems since they cover what both companies ask most often. Then add 20 Infosys-specific and 20 PayPal-specific questions to round out your prep.