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Salesforce Master DSA Sheet

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

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Subarray Product Less Than K
Asteroid Collision
Valid Parentheses
Min Stack6 Months
Minimum Difficulty of a Job Schedule
Longest Substring Of All Vowels in Order3 Months
Using a Robot to Print the Lexicographically Smallest String
Meeting Rooms II
Largest Number After Digit Swaps by Parity
Course Schedule III
Verify Preorder Sequence in Binary Search Tree
Top K Frequent Words
Masking Personal Information
Spiral Matrix
Count the Number of Infection Sequences
Zigzag Conversion3 Months
Course Schedule II
Koko Eating Bananas
Search Suggestions System
Longest Palindromic Substring
K Closest Points to Origin
Maximum Number of Non-overlapping Palindrome Substrings
Path Sum III
Maximum Path Quality of a Graph
Merge Intervals
Optimal Account Balancing
Trapping Rain Water
Pow(x, n)
Longest Substring Without Repeating Characters3 Months
All Nodes Distance K in Binary Tree6 Months
Maximum Product Subarray
Maximize Greatness of an Array
Partition Array Into Two Arrays to Minimize Sum Difference
Split Array Largest Sum
Product of Array Except Self
Closest Equal Element Queries
Minimum Window Substring
House Robber III
Longest Increasing Path in a Matrix6 Months
First Missing Positive
Number of Visible People in a Queue
IPO
Game of Life
Maximum Palindromes After Operations30 Days
Task Scheduler
Daily Temperatures
Remove Adjacent Almost-Equal Characters6 Months
Smallest Substring With Identical Characters II
Smallest Substring With Identical Characters I
Odd String Difference
Count Subarrays With Median K
Combination Sum
Roman to Integer
Decode String
Course Schedule30 Days
Word Ladder
Longest Common Subsequence
Find the Minimum Area to Cover All Ones II
Exclusive Time of Functions
Find the Minimum Area to Cover All Ones I
Bus Routes
Equalize Strings by Adding or Removing Characters at Ends
Container With Most Water6 Months
Collect Coins in a Tree30 Days
Move Zeroes
Maximum Earnings From Taxi
Matrix Similarity After Cyclic Shifts
Height Checker
Beautiful Towers II
Palindromic Substrings
Shortest Bridge3 Months
Basic Calculator
Beautiful Towers I
String Compression30 Days
Number of Islands6 Months
Rotting Oranges3 Months
Find Subarray With Bitwise OR Closest to K
Two Sum
Minimum Time to Visit All Houses
Search in Rotated Sorted Array
Number of Divisible Triplet Sums
Kth Largest Element in a Stream
Maximum Number That Makes Result of Bitwise AND Zero
Number of Self-Divisible Permutations
Time Needed to Rearrange a Binary String30 Days
Maximize Grid Happiness
Average Waiting Time
Check If a Number Is Majority Element in a Sorted Array
Count the Number of Inversions
Backspace String Compare
Minimum Equal Sum of Two Arrays After Replacing Zeros
Find the Last Marked Nodes in Tree
Split a String in Balanced Strings
Maximal Square
Count Binary Substrings
Minimize Maximum Component Cost
Maximum Height of a Triangle
Count Vowel Substrings of a String
Power Grid Maintenance
Check Whether Two Strings are Almost Equivalent
Maximum Subarray
LRU Cache6 Months
LFU Cache6 Months
Design Snake Game
Word Search
Letter Combinations of a Phone Number
Gas Station
Network Delay Time6 Months
Divide Array Into Arrays With Max Difference
Sort Colors
Binary Tree Maximum Path Sum6 Months
N-Queens
Minimum Absolute Difference
Partition Equal Subset Sum
Find Duplicate Subtrees
Reconstruct Itinerary6 Months
Group Anagrams
Reverse Nodes in k-Group6 Months
Integer to Roman
Merge Two Sorted Lists
Maximum Number of Occurrences of a Substring
Sum of Nodes with Even-Valued Grandparent
Find the Duplicate Number
Top K Frequent Elements6 Months
Maximum Units on a Truck
Remove All Adjacent Duplicates in String II6 Months
Lowest Common Ancestor of a Binary Tree
3Sum
Best Time to Buy and Sell Stock
Encode and Decode TinyURL
Number of Digit One
Median of Two Sorted Arrays
Merge k Sorted Lists
Valid Palindrome
Subarrays with K Different Integers6 Months
Maximal Rectangle
Max Consecutive Ones III
Report Spam Message
Tree Diameter
Delete and Earn6 Months
Boundary of Binary Tree
Path with Maximum Gold3 Months
Target Sum
Sliding Window Maximum
Find Peak Element
Reorganize String
Maximum Product of Three Numbers6 Months
Longest Increasing Subsequence
Last Stone Weight
Word Break
Candy
Minimum Operations to Reduce an Integer to 030 Days
Diameter of N-Ary Tree3 Months
Find Leaves of Binary Tree
Coin Change
Find Median from Data Stream
All Possible Full Binary Trees
K-diff Pairs in an Array
House Robber II3 Months
Kth Largest Element in an Array6 Months
Missing Number6 Months
Distinct Subsequences
Concatenated Words
Validate Binary Search Tree
Design Twitter3 Months
Maximum Number of Ways to Partition an Array
Finding the Number of Visible Mountains
Construct Binary Tree from Preorder and Inorder Traversal3 Months
Find Pivot Index
Lexicographically Minimum String After Removing Stars
Cherry Pickup II
Paths in Maze That Lead to Same Room
Range Addition
Minimize Malware Spread
Minimum Number of Taps to Open to Water a Garden
Count Palindromic Subsequences
Binary Tree Preorder Traversal
Valid Parenthesis String
Count the Number of Fair Pairs
The kth Factor of n
Design a Text Editor
Number of Operations to Make Network Connected6 Months
Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit
Least Number of Unique Integers after K Removals
Shortest Distance to Target String in a Circular Array
Minimum Array Sum6 Months
Maximum Frequency Stack
Magnetic Force Between Two Balls
Max Chunks To Make Sorted II