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Paypal Master DSA Sheet

This compilation contains exclusive, previously asked data structure and algorithm questions from real Paypal interviews. Focus on these core problem patterns to confidently tackle even the hardest interview challenges.

top-specificpaypal-prep
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106
Spiral Matrix
Medium
Asteroid Collision
Medium
Longest Substring Of All Vowels in Order
Medium
Zigzag Conversion6 Months
Medium
Valid Parentheses
Easy
Top K Frequent Words6 Months
Medium
Longest Substring Without Repeating Characters6 Months
Medium
Maximum Product Subarray
Medium
Serialize and Deserialize Binary Tree
Hard
Minimum Replacements to Sort the Array
Hard
Climbing Stairs
Easy
Search Suggestions System
Medium
Trapping Rain Water
Hard
Longest String Chain
Medium
Product of Array Except Self
Medium
Merge Intervals6 Months
Medium
Koko Eating Bananas
Medium
Maximum Profit in Job Scheduling
Hard
Smallest Greater Multiple Made of Two Digits
Medium
Random Pick with Weight
Medium
Rotate Image
Medium
Count the Number of Vowel Strings in Range
Easy
Count Vowel Strings in Ranges6 Months
Medium
Valid Sudoku
Medium
Pythagorean Distance Nodes in a Tree30 Days
Medium
Maximum Number of Integers to Choose From a Range II
Medium
Maximum Frequency Score of a Subarray
Hard
Minimum Non-Zero Product of the Array Elements
Medium
Maximum Number of Integers to Choose From a Range I
Medium
Paint House III
Hard
First Missing Positive
Hard
Find Words That Can Be Formed by Characters
Easy
Number of Valid Move Combinations On Chessboard
Hard
Maximum Sum Obtained of Any Permutation
Medium
Maximum Subarray
Medium
LFU Cache
Hard
Reaching Points
Hard
Move Zeroes
Easy
Remove K Digits
Medium
Insert Interval
Medium
Set Matrix Zeroes
Medium
Minimum Edge Reversals So Every Node Is Reachable6 Months
Hard
Container With Most Water6 Months
Medium
Count Array Pairs Divisible by K
Hard
Course Schedule
Medium
Palindromic Substrings
Medium
Search a 2D Matrix II
Medium
Find the Smallest Divisor Given a Threshold
Medium
Two Sum
Easy
Count Vowel Substrings of a String
Easy
Loud and Rich
Medium
Number of Islands
Medium
Word Search II
Hard
Minimum Increment to Make Array Unique
Medium
Time Needed to Rearrange a Binary String
Medium
Maximal Square
Medium
LRU Cache6 Months
Medium
Merge Sorted Array
Easy
Search in Rotated Sorted Array6 Months
Medium
Rotting Oranges
Medium
Average Selling Price6 Months
Easy
Minimum Absolute Difference30 Days
Easy
Valid Anagram
Easy
Median of Two Sorted Arrays
Hard
Word Search
Medium
Group Anagrams
Medium
Pairs of Songs With Total Durations Divisible by 60
Medium
Best Time to Buy and Sell Stock
Easy
Remove All Adjacent Duplicates in String II
Medium
3Sum
Medium
Jump Game
Medium
Top K Frequent Elements
Medium
Flatten Deeply Nested Array
Medium
Binary Tree Maximum Path Sum
Hard
Subarray Sum Equals K
Medium
Sort Colors
Medium
Minimum Number of Swaps to Make the String Balanced
Medium
Happy Number
Easy
Longest Consecutive Sequence
Medium
Last Stone Weight
Easy
Text Justification
Hard
Find Peak Element
Medium
Longest Increasing Subsequence3 Months
Medium
Find First and Last Position of Element in Sorted Array
Medium
Degree of an Array
Easy
House Robber
Medium
Smallest String With Swaps
Medium
Fizz Buzz
Easy
Divide Players Into Teams of Equal Skill
Medium
Number of Substrings Containing All Three Characters
Medium
Subsets
Medium
Maximum Number of Events That Can Be Attended
Medium
Minimum Number of Removals to Make Mountain Array
Hard
Coin Change
Medium
Kth Largest Element in an Array
Medium
Maximum Population Year
Easy
Missing Element in Sorted Array
Medium
Best Time to Buy and Sell Stock III
Hard
3Sum Smaller
Medium
Nearest Exit from Entrance in Maze
Medium
Find Median from Data Stream3 Months
Hard
Swap Nodes in Pairs
Medium
Merge In Between Linked Lists
Medium
Lexicographically Smallest Palindrome
Easy
Design Twitter
Medium
Meeting Scheduler
Medium