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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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189
Subarray Product Less Than K
Medium
Asteroid Collision
Medium
Valid Parentheses
Easy
Min Stack6 Months
Medium
Minimum Difficulty of a Job Schedule
Hard
Longest Substring Of All Vowels in Order3 Months
Medium
Using a Robot to Print the Lexicographically Smallest String
Medium
Meeting Rooms II
Medium
Largest Number After Digit Swaps by Parity
Easy
Course Schedule III
Hard
Verify Preorder Sequence in Binary Search Tree
Medium
Top K Frequent Words
Medium
Masking Personal Information
Medium
Spiral Matrix
Medium
Count the Number of Infection Sequences
Hard
Zigzag Conversion3 Months
Medium
Course Schedule II
Medium
Koko Eating Bananas
Medium
Search Suggestions System
Medium
Longest Palindromic Substring
Medium
K Closest Points to Origin
Medium
Maximum Number of Non-overlapping Palindrome Substrings
Hard
Path Sum III
Medium
Maximum Path Quality of a Graph
Hard
Merge Intervals
Medium
Optimal Account Balancing
Hard
Trapping Rain Water
Hard
Pow(x, n)
Medium
Longest Substring Without Repeating Characters3 Months
Medium
All Nodes Distance K in Binary Tree6 Months
Medium
Maximum Product Subarray
Medium
Maximize Greatness of an Array
Medium
Partition Array Into Two Arrays to Minimize Sum Difference
Hard
Split Array Largest Sum
Hard
Product of Array Except Self
Medium
Closest Equal Element Queries
Medium
Minimum Window Substring
Hard
House Robber III
Medium
Longest Increasing Path in a Matrix6 Months
Hard
First Missing Positive
Hard
Number of Visible People in a Queue
Hard
IPO
Hard
Game of Life
Medium
Maximum Palindromes After Operations30 Days
Medium
Task Scheduler
Medium
Daily Temperatures
Medium
Remove Adjacent Almost-Equal Characters6 Months
Medium
Smallest Substring With Identical Characters II
Hard
Smallest Substring With Identical Characters I
Hard
Odd String Difference
Easy
Count Subarrays With Median K
Hard
Combination Sum
Medium
Roman to Integer
Easy
Decode String
Medium
Course Schedule30 Days
Medium
Word Ladder
Hard
Longest Common Subsequence
Medium
Find the Minimum Area to Cover All Ones II
Hard
Exclusive Time of Functions
Medium
Find the Minimum Area to Cover All Ones I
Medium
Bus Routes
Hard
Equalize Strings by Adding or Removing Characters at Ends
Medium
Container With Most Water6 Months
Medium
Collect Coins in a Tree30 Days
Hard
Move Zeroes
Easy
Maximum Earnings From Taxi
Medium
Matrix Similarity After Cyclic Shifts
Easy
Height Checker
Easy
Beautiful Towers II
Medium
Palindromic Substrings
Medium
Shortest Bridge3 Months
Medium
Basic Calculator
Hard
Beautiful Towers I
Medium
String Compression30 Days
Medium
Number of Islands6 Months
Medium
Rotting Oranges3 Months
Medium
Find Subarray With Bitwise OR Closest to K
Hard
Two Sum
Easy
Minimum Time to Visit All Houses
Medium
Search in Rotated Sorted Array
Medium
Number of Divisible Triplet Sums
Medium
Kth Largest Element in a Stream
Easy
Maximum Number That Makes Result of Bitwise AND Zero
Medium
Number of Self-Divisible Permutations
Medium
Time Needed to Rearrange a Binary String30 Days
Medium
Maximize Grid Happiness
Hard
Average Waiting Time
Medium
Check If a Number Is Majority Element in a Sorted Array
Easy
Count the Number of Inversions
Hard
Backspace String Compare
Easy
Minimum Equal Sum of Two Arrays After Replacing Zeros
Medium
Find the Last Marked Nodes in Tree
Hard
Split a String in Balanced Strings
Easy
Maximal Square
Medium
Count Binary Substrings
Easy
Minimize Maximum Component Cost
Medium
Maximum Height of a Triangle
Easy
Count Vowel Substrings of a String
Easy
Power Grid Maintenance
Medium
Check Whether Two Strings are Almost Equivalent
Easy
Maximum Subarray
Medium
LRU Cache6 Months
Medium
LFU Cache6 Months
Hard
Design Snake Game
Medium
Word Search
Medium
Letter Combinations of a Phone Number
Medium
Gas Station
Medium
Network Delay Time6 Months
Medium
Divide Array Into Arrays With Max Difference
Medium
Sort Colors
Medium
Binary Tree Maximum Path Sum6 Months
Hard
N-Queens
Hard
Minimum Absolute Difference
Easy
Partition Equal Subset Sum
Medium
Find Duplicate Subtrees
Medium
Reconstruct Itinerary6 Months
Hard
Group Anagrams
Medium
Reverse Nodes in k-Group6 Months
Hard
Integer to Roman
Medium
Merge Two Sorted Lists
Easy
Maximum Number of Occurrences of a Substring
Medium
Sum of Nodes with Even-Valued Grandparent
Medium
Find the Duplicate Number
Medium
Top K Frequent Elements6 Months
Medium
Maximum Units on a Truck
Easy
Remove All Adjacent Duplicates in String II6 Months
Medium
Lowest Common Ancestor of a Binary Tree
Medium
3Sum
Medium
Best Time to Buy and Sell Stock
Easy
Encode and Decode TinyURL
Medium
Number of Digit One
Hard
Median of Two Sorted Arrays
Hard
Merge k Sorted Lists
Hard
Valid Palindrome
Easy
Subarrays with K Different Integers6 Months
Hard
Maximal Rectangle
Hard
Max Consecutive Ones III
Medium
Report Spam Message
Medium
Tree Diameter
Medium
Delete and Earn6 Months
Medium
Boundary of Binary Tree
Medium
Path with Maximum Gold3 Months
Medium
Target Sum
Medium
Sliding Window Maximum
Hard
Find Peak Element
Medium
Reorganize String
Medium
Maximum Product of Three Numbers6 Months
Easy
Longest Increasing Subsequence
Medium
Last Stone Weight
Easy
Word Break
Medium
Candy
Hard
Minimum Operations to Reduce an Integer to 030 Days
Medium
Diameter of N-Ary Tree3 Months
Medium
Find Leaves of Binary Tree
Medium
Coin Change
Medium
Find Median from Data Stream
Hard
All Possible Full Binary Trees
Medium
K-diff Pairs in an Array
Medium
House Robber II3 Months
Medium
Kth Largest Element in an Array6 Months
Medium
Missing Number6 Months
Easy
Distinct Subsequences
Hard
Concatenated Words
Hard
Validate Binary Search Tree
Medium
Design Twitter3 Months
Medium
Maximum Number of Ways to Partition an Array
Hard
Finding the Number of Visible Mountains
Medium
Construct Binary Tree from Preorder and Inorder Traversal3 Months
Medium
Find Pivot Index
Easy
Lexicographically Minimum String After Removing Stars
Medium
Cherry Pickup II
Hard
Paths in Maze That Lead to Same Room
Medium
Range Addition
Medium
Minimize Malware Spread
Hard
Minimum Number of Taps to Open to Water a Garden
Hard
Count Palindromic Subsequences
Hard
Binary Tree Preorder Traversal
Easy
Valid Parenthesis String
Medium
Count the Number of Fair Pairs
Medium
The kth Factor of n
Medium
Design a Text Editor
Hard
Number of Operations to Make Network Connected6 Months
Medium
Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit
Medium
Least Number of Unique Integers after K Removals
Medium
Shortest Distance to Target String in a Circular Array
Easy
Minimum Array Sum6 Months
Medium
Maximum Frequency Stack
Hard
Magnetic Force Between Two Balls
Medium
Max Chunks To Make Sorted II
Hard