PayPal Interview Guide

Showing 3 of 108 questions

Ranking

A question's ranking corresponds to how commonly it's asked by PayPal. The higher the ranking, the more likely you'll encounter it in a PayPal interview.

Question

Frequency

Difficulty

Zigzag Conversion

Convert a given string into a zigzag pattern with a specified number of rows. Then read the characters row by row to return the converted string.

Strings

Very likely

If you have a PayPal interview, it's very likely that you will get this question

Medium

#1. Zigzag Conversion

Medium

Convert a given string into a zigzag pattern with a specified number of rows. Then read the characters row by row to return the converted string.

Strings

This question is very likely to be asked in your PayPal interview

LRU Cache

Design a data structure that acts as a Least Recently Used (LRU) cache. Implement methods to get and put key-value pairs, evicting the least recently used entry when the cache is full.

Linked ListsArraysDynamic Programming

Very likely

If you have a PayPal interview, it's very likely that you will get this question

Medium

#2. LRU Cache

Medium

Design a data structure that acts as a Least Recently Used (LRU) cache. Implement methods to get and put key-value pairs, evicting the least recently used entry when the cache is full.

Linked ListsArraysDynamic Programming

This question is very likely to be asked in your PayPal interview

Word Search

Determine if a given word can be constructed from letters in a 2D board, where letters can be used horizontally or vertically. Each letter can only be used once in the word.

ArraysStringsRecursionGraphs

Very likely

If you have a PayPal interview, it's very likely that you will get this question

Medium

#3. Word Search

Medium

Determine if a given word can be constructed from letters in a 2D board, where letters can be used horizontally or vertically. Each letter can only be used once in the word.

ArraysStringsRecursionGraphs

This question is very likely to be asked in your PayPal interview

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