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Zoho Master DSA Sheet

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

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Jump Game II
Asteroid Collision6 Months
Spiral Matrix6 Months
Valid Parentheses6 Months
Zigzag Conversion6 Months
Generate Parentheses
Longest Substring Without Repeating Characters3 Months
Longest Palindromic Substring
Product of Array Except Self
Merge Intervals3 Months
Climbing Stairs3 Months
Compare Version Numbers6 Months
Trapping Rain Water
Find Winner on a Tic Tac Toe Game
Wildcard Matching6 Months
Minimum Window Substring
Sort Even and Odd Indices Independently
Largest Number
Remove All Occurrences of a Substring
Rotate Image
Regular Expression Matching6 Months
Basic Calculator II
Daily Temperatures3 Months
Count Monobit Integers
Valid Sudoku
Sqrt(x)
String Compression
Search in Rotated Sorted Array
Rotting Oranges
Word Search II
Combination Sum
Roman to Integer6 Months
Longest Valid Parentheses
Number of Islands
Two Sum II - Input Array Is Sorted
Merge Sorted Array
Reverse Words in a String
Permutations
Non-overlapping Intervals3 Months
Excel Sheet Column Number
Count and Say
Move Zeroes6 Months
Set Matrix Zeroes
Container With Most Water6 Months
Max Points on a Line
Longest Common Prefix6 Months
Two Sum6 Months
Single Element in a Sorted Array
Restore IP Addresses
Pascal's Triangle
Find the Index of the First Occurrence in a String
Maximum Subarray
Decode String6 Months
LRU Cache
Edit Distance6 Months
Contains Duplicate
Isomorphic Strings
Diagonal Traverse
Maximal Rectangle
Partition Equal Subset Sum
Best Time to Buy and Sell Stock II
Majority Element
Valid Palindrome
Dungeon Game
Sort Colors
Group Anagrams
Word Search3 Months
Subarray Sum Equals K3 Months
3Sum Closest
Multiply Strings
Best Time to Buy and Sell Stock
Replace Elements with Greatest Element on Right Side
N-Queens
Largest Rectangle in Histogram
Median of Two Sorted Arrays
Minimum Path Sum
Valid Anagram
Decode Ways
Gas Station
Find the Duplicate Number
Top K Frequent Elements
Letter Combinations of a Phone Number
3Sum
Merge Two Sorted Lists
Add to Array-Form of Integer
Island Perimeter
Jump Game
Rotate Array
Add Two Numbers
Integer to Roman
Palindrome Number
Plus One
Reverse Vowels of a String
Long Pressed Name
Reverse Words in a String III6 Months
Minimum Number of Swaps to Make the String Balanced
Happy Number
Count Pairs Whose Sum is Less than Target
Word Pattern
Divide Two Integers
Is Subsequence
Summary Ranges
House Robber II
Find the Winner of the Circular Game
Remove Duplicates from Sorted Array
Find the Highest Altitude
Longest Consecutive Sequence
String to Integer (atoi)
Assign Cookies
Reorganize String
Sliding Window Maximum
Merge Strings Alternately
Find Peak Element
Longest Increasing Subsequence
Contains Duplicate II6 Months
Remove Duplicate Letters
Word Break
4Sum
Sudoku Solver
First Unique Character in a String
Sort Array by Increasing Frequency
Find Minimum in Rotated Sorted Array
Max Area of Island6 Months
Find First and Last Position of Element in Sorted Array
Integer to English Words
Remove All Adjacent Duplicates In String
Fruit Into Baskets
Missing Number
Reverse Only Letters
House Robber
Find Missing and Repeated Values
N-Repeated Element in Size 2N Array3 Months
Fair Distribution of Cookies
Shuffle the Array
Search Insert Position
Maximum Number of Events That Can Be Attended
Next Greater Element II6 Months
Spiral Matrix II
01 Matrix
Odd Even Linked List
Coin Change
Intersection of Two Arrays
Fraction to Recurring Decimal
Consecutive Numbers Sum
Find Triangular Sum of an Array
Subsets
Cinema Seat Allocation
Strong Password Checker
Number of Good Pairs
Sum of Beauty of All Substrings
Excel Sheet Column Title
Text Justification
Longest Palindromic Subsequence
Check if Every Row and Column Contains All Numbers
Combination Sum II3 Months
Coin Change II
Largest Substring Between Two Equal Characters
Find Lucky Integer in an Array3 Months
Rotate String
Palindrome Linked List
Minimum Time Difference
Next Greater Element III
Defanging an IP Address
Word Subsets
Unique Paths
Largest Number At Least Twice of Others
Interleaving String
Largest Time for Given Digits
Add Digits
Goal Parser Interpretation
Distinct Subsequences3 Months
Perfect Squares
Target Sum
Sort Characters By Frequency
Buddy Strings
Minimum Number of Arrows to Burst Balloons
Zuma Game
Maximum Population Year
Kth Largest Element in an Array