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Adobe Master DSA Sheet

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

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Valid Parentheses6 Months
Top K Frequent Words
Majority Element II
Reverse Linked List
Meeting Rooms II
Spiral Matrix
Special Binary String
Invalid Tweets
Split the Array
Reformat Date6 Months
Subarray Product Less Than K
Pacific Atlantic Water Flow
Validate IP Address6 Months
Jump Game II
Min Stack
Minimum Processing Time
Customer Who Visited but Did Not Make Any Transactions
Generate Parentheses
Shopping Offers
Climbing Stairs
Find K Closest Elements
Split Array Largest Sum
Next Permutation
Divide Intervals Into Minimum Number of Groups
Pow(x, n)
Longest Substring Without Repeating Characters
Product of Array Except Self
Koko Eating Bananas
K Closest Points to Origin
Maximum Product Subarray
Search Suggestions System
Trapping Rain Water6 Months
Merge Intervals3 Months
Diameter of Binary Tree
Longest Palindromic Substring3 Months
Serialize and Deserialize Binary Tree
Largest Number
Count Ways to Build Rooms in an Ant Colony
Basic Calculator II
Longest Repeating Character Replacement
Permutation in String
Longest Increasing Path in a Matrix
First Missing Positive
Minimizing Array After Replacing Pairs With Their Product
Preimage Size of Factorial Zeroes Function
Average Time of Process per Machine
Choose Numbers From Two Arrays in Range
Sqrt(x)
Minimum Window Substring6 Months
Task Scheduler
Valid Sudoku
Rotate Image
Random Pick with Weight
Bitwise OR of Adjacent Elements
Find All Numbers Disappeared in an Array
Container With Most Water
Roman to Integer
Reverse Words in a String
Merge Sorted Array
Longest Common Subsequence
Longest Valid Parentheses
Permutations
Kth Largest Element in a Stream
Rotting Oranges
Remove K Digits6 Months
Move Zeroes
Find the Index of the First Occurrence in a String
String Compression
Excel Sheet Column Number
LRU Cache3 Months
Basic Calculator
Course Schedule
Two Sum II - Input Array Is Sorted
Number of Islands
Count Binary Substrings
Contains Duplicate
Squares of a Sorted Array
Search in Rotated Sorted Array
Minimum Moves to Equal Array Elements III
Two Sum6 Months
Single Element in a Sorted Array
Restore IP Addresses
Longest Common Prefix
Decode String
Word Ladder
Binary Tree Cameras
Pascal's Triangle
Heaters30 Days
Edit Distance
Maximal Rectangle
N-Queens
Letter Combinations of a Phone Number
Find All Duplicates in an Array
Gas Station
Reorder List
Subarray Sum Equals K
Decode Ways
Group Anagrams6 Months
Merge Two Sorted Lists
Top K Frequent Elements
Sort Colors
Largest Rectangle in Histogram
Max Consecutive Ones III
Implement Trie (Prefix Tree)
Best Time to Buy and Sell Stock II
Contiguous Array
Minimum Remove to Make Valid Parentheses
Lowest Common Ancestor of a Binary Tree
Best Time to Buy and Sell Stock
Word Search
Median of Two Sorted Arrays
Online Stock Span
Rotate Array
Integer to Roman
Merge k Sorted Lists
Palindrome Number
Valid Palindrome
Maximum Profit From Trading Stocks
Jump Game6 Months
Add Two Numbers
Same Tree
Majority Element
Remove Invalid Parentheses
Reverse Nodes in k-Group
Subarrays with K Different Integers
3Sum
Plus One
Palindrome Linked List
First Unique Character in a String
Unit Conversion I6 Months
Contains Duplicate II
Sort Characters By Frequency
Reverse Substrings Between Each Pair of Parentheses
Next Greater Element III
Best Time to Buy and Sell Stock III
Sliding Window Maximum
Merge Operations to Turn Array Into a Palindrome
Unique Paths
Create a DataFrame from List
Subsets
Shortest Unsorted Continuous Subarray
Sort Array by Increasing Frequency6 Months
Max Area of Island
Is Subsequence30 Days
Binary Tree Zigzag Level Order Traversal
Remove Duplicates from Sorted Array
Combination Sum II
Add Two Integers
Fruit Into Baskets
Count Pairs Of Similar Strings
Kth Largest Element in an Array
Intersection of Two Arrays
Sudoku Solver
Missing Number
01 Matrix
Search Insert Position
Number of Provinces
Cousins in Binary Tree
Reverse Integer
Find Customer Referee
Merge Strings Alternately
Happy Number
Reorganize String
Coin Change
Longest Consecutive Sequence
Remove Element
Reverse Linked List II
Reverse Pairs
Delete Node in a Linked List
Spiral Matrix II
Perfect Squares
Boundary of Binary Tree
Add Digits
Validate Binary Search Tree
String to Integer (atoi)
Minimum Number of Swaps to Make the String Balanced
Jewels and Stones
House Robber
Search in a Binary Search Tree
Count Primes
Binary Tree Level Order Traversal
Surrounded Regions
Create Hello World Function
Subarray Sums Divisible by K
Find Pivot Index
Counting Bits
Binary Subarrays With Sum
H-Index
Linked List Cycle
Plates Between Candles
Binary Search Tree Iterator
Minimum Swaps to Group All 1's Together II
Count Complete Tree Nodes
Amount of Time for Binary Tree to Be Infected
Swapping Nodes in a Linked List
Remove Duplicates from Sorted List
Single Number
Construct Binary Tree from Preorder and Inorder Traversal
Number of Subarrays with Bounded Maximum
Nested List Weight Sum
Threshold Majority Queries
Nim Game
Shortest Path to Get All Keys
Running Sum of 1d Array
Search a 2D Matrix
To Be Or Not To Be
First Bad Version
Remove Duplicates from Sorted Array II
Design Twitter
Custom Sort String
Shortest Path in a Grid with Obstacles Elimination
Employees Earning More Than Their Managers
Binary Search
Bitwise AND of Numbers Range
Count Subarrays Where Max Element Appears at Least K Times
Trim a Binary Search Tree
Smallest Range II
Minimize XOR
Bag of Tokens
Range Sum Query - Mutable
Sum of All Subset XOR Totals6 Months
Number of Increasing Paths in a Grid
Smallest Range I
Tenth Line
Largest Combination With Bitwise AND Greater Than Zero6 Months
Increment Submatrices by One
Number of Dice Rolls With Target Sum