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