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Visa Master DSA Sheet

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

top-specificvisa-prep
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124
Rotating the Box
Medium
Split the Array
Easy
Reverse Linked List
Easy
Length of Longest V-Shaped Diagonal Segment
Hard
Find the Length of the Longest Common Prefix3 Months
Medium
Valid Parentheses
Easy
Spiral Matrix6 Months
Medium
Longest Substring Without Repeating Characters6 Months
Medium
Create Target Array in the Given Order
Easy
Longest Palindromic Substring30 Days
Medium
Diameter of Binary Tree
Easy
Merge Intervals6 Months
Medium
Trapping Rain Water6 Months
Hard
Product of Array Except Self
Medium
Minimum Operations to Write the Letter Y on a Grid3 Months
Medium
Block Placement Queries
Hard
Divisor Game
Easy
Number of Black Blocks6 Months
Medium
Earliest Possible Day of Full Bloom
Hard
Largest Number
Medium
Count Nodes With the Highest Score
Medium
Odd String Difference
Easy
First Missing Positive
Hard
Rotate Image3 Months
Medium
Valid Palindrome II
Easy
Two Furthest Houses With Different Colors
Easy
Daily Temperatures
Medium
Number of Adjacent Elements With the Same Color6 Months
Medium
Match Alphanumerical Pattern in Matrix I
Medium
Longest Valid Parentheses
Hard
LRU Cache3 Months
Medium
Add Binary3 Months
Easy
Merge Sorted Array
Easy
Reverse Words in a String
Medium
Rotting Oranges
Medium
Container With Most Water
Medium
Longest Common Prefix
Easy
Course Schedule
Medium
Restore IP Addresses
Medium
LFU Cache
Hard
Two Sum6 Months
Easy
Search in Rotated Sorted Array
Medium
Number of Islands
Medium
Two Sum II - Input Array Is Sorted
Medium
Number of Divisible Triplet Sums30 Days
Medium
Walls and Gates
Medium
Word Ladder
Hard
Edit Distance
Medium
Minimum Absolute Difference Between Elements With Constraint3 Months
Medium
Contains Duplicate
Easy
Maximum Subarray3 Months
Medium
Reverse Nodes in k-Group
Hard
Word Search
Medium
Group Anagrams6 Months
Medium
Simplify Path6 Months
Medium
Matrix Block Sum6 Months
Medium
Candy Crush
Medium
Maximal Rectangle
Hard
Median of Two Sorted Arrays
Hard
Sort Colors6 Months
Medium
Sell Diminishing-Valued Colored Balls30 Days
Medium
Valid Anagram
Easy
Best Time to Buy and Sell Stock II
Medium
Valid Palindrome
Easy
Partition Equal Subset Sum
Medium
Number of Matching Subsequences
Medium
Grid Teleportation Traversal6 Months
Medium
Largest Rectangle in Histogram6 Months
Hard
Reconstruct Itinerary6 Months
Hard
Top K Frequent Elements
Medium
Letter Combinations of a Phone Number
Medium
Gas Station6 Months
Medium
Number of Changing Keys3 Months
Easy
Check If Array Pairs Are Divisible by k
Medium
Rotate Array
Medium
Image Smoother
Easy
Merge Two Sorted Lists
Easy
Shortest Palindrome
Hard
3Sum6 Months
Medium
Subarray Sum Equals K3 Months
Medium
Minimum Cost Path with Teleportations3 Months
Hard
Best Time to Buy and Sell Stock30 Days
Easy
Number of Perfect Pairs30 Days
Medium
Binary Tree Right Side View
Medium
Reverse Vowels of a String
Easy
Find Median from Data Stream
Hard
Happy Number6 Months
Easy
Add Strings3 Months
Easy
Substrings of Size Three with Distinct Characters
Easy
Longest Consecutive Sequence
Medium
Plus One
Easy
Last Stone Weight
Easy
Check if Array Is Sorted and Rotated
Easy
Sliding Window Maximum
Hard
First Unique Character in a String
Easy
Add Digits3 Months
Easy
Count Mentions Per User
Medium
Find Score of an Array After Marking All Elements
Medium
Restore the Array From Adjacent Pairs
Medium
Divide Players Into Teams of Equal Skill30 Days
Medium
Text Justification3 Months
Hard
Brightest Position on Street
Medium
Sort Characters By Frequency
Medium
Design Memory Allocator6 Months
Medium
Unique Paths
Medium
Next Greater Element II
Medium
Maximum Number of Events That Can Be Attended
Medium
Kth Largest Element in an Array
Medium
Rotate String
Easy
House Robber II
Medium
Alternating Digit Sum6 Months
Easy
Number of Subarrays That Match a Pattern I
Medium
Candy
Hard
Best Time to Buy and Sell Stock III
Hard
Balanced Binary Tree
Easy
Sum Root to Leaf Numbers
Medium
Minimum Time Difference6 Months
Medium
Longest Increasing Subsequence
Medium
Ugly Number II6 Months
Medium
Minimum Falling Path Sum
Medium
Find Peak Element
Medium
Best Time to Buy and Sell Stock using Strategy
Medium
Subarray Sums Divisible by K
Medium
Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit
Medium