PayPal Interview Questions, Process, and Tips for Experienced

Aptitude test along with typing test

Q1. Tell me about yourself? Why did you choose this company?
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Q2. What are you future goals? Roles and responsibilities.
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Round duration - 60 Minutes
Round difficulty - Easy

The interview was held in the evening on a weekday, Interview was nice and quite experienced, he asked me about my previous experience in the area and they told me about the team and work for which they were hiring, we did some discussion on that. Meanwhile, I was also asked a few questions on Database and SQL.

Q1. 
Find Magic Index in Sorted Array
Given a sorted array A consisting of N integers, your task is to find the magic index in the given array, where the magic index is defined as an index i such that A[i] = i...read more
Ans. Brute Force Approach
• In this brute force approach, we will check each element one by one and try to find if there is any magic index in the given array or not.
• In this approach, we will initialize our answer variable (say, ans) with ans = -1.
• Then we will iterate in the array one by one (say, loop variable i) from the beginning and check if there is any magic index in our array or not.
• If we find any index in the array suc...read more
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Round duration - 60 minutes
Round difficulty - Medium

The interview was in the afternoon. There were some glitches with the teams meeting but it got sorted out in a few minutes. This round was purely coding based. He started with questions on arrays, linked lists, and string manipulation with an increasing level of hardness. The tricky part was that the online editor I was given for writing the code was not an IDE but a simple text editor, so I wasn't getting any help in terms of code completion or syntax errors or syntax highlighting.

Q1. 
Find All Pairs Adding Up to Target
Given an array of integers ARR of length N and an integer Target, your task is to return all pairs of elements such that they add up to the Target.
Input:
The first line ...read more
Ans. Hashing Solution
• We can store the frequency of every element in the array in a hashmap.
• We will loop over every index i, and check the frequency of (Target - ARR[i]) is the hashmap:
  • If (Target - ARR[i]) is equal to ARR[i], we will check if frequency of ARR[i] . If it is greater than 1 then we will decrease the frequency of ARR[i] by 2 and add a pair (ARR[i] , ARR[i]) to our answer.
  • Else, if the frequency of ARR[i] and Targ...read more
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