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Roblox Master DSA Sheet

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

top-specificroblox-prep
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Course Schedule II6 Months
Medium
Rotating the Box
Medium
Valid Parentheses
Easy
Spiral Matrix
Medium
Length of Longest V-Shaped Diagonal Segment6 Months
Hard
Find the Length of the Longest Common Prefix6 Months
Medium
Maximize Distance to Closest Person
Medium
Subdomain Visit Count
Medium
Merge Intervals
Medium
Number of Ways to Wear Different Hats to Each Other30 Days
Hard
Block Placement Queries
Hard
Trapping Rain Water
Hard
Longest Substring Without Repeating Characters
Medium
Minimum Operations to Write the Letter Y on a Grid6 Months
Medium
Students and Examinations
Easy
Group the People Given the Group Size They Belong To
Medium
Number of Trusted Contacts of a Customer
Medium
Number of Black Blocks6 Months
Medium
Random Pick with Weight
Medium
Number of Adjacent Elements With the Same Color6 Months
Medium
Task Scheduler
Medium
Convert Binary Number in a Linked List to Integer
Easy
Rotate Image6 Months
Medium
Two Sum3 Months
Easy
Rotting Oranges
Medium
Longest Common Prefix
Easy
Minimum Number of Frogs Croaking
Medium
Insert Delete GetRandom O(1)
Medium
Logger Rate Limiter30 Days
Easy
Minimum Absolute Difference Between Elements With Constraint6 Months
Medium
Course Schedule6 Months
Medium
Design Hit Counter3 Months
Medium
Largest Rectangle in Histogram
Hard
Candy Crush3 Months
Medium
Implement Trie (Prefix Tree)
Medium
Number of Recent Calls6 Months
Easy
Maximum Number of Occurrences of a Substring
Medium
Subarrays with K Different Integers
Hard
Image Smoother
Easy
Count Nice Pairs in an Array6 Months
Medium
Number of Flowers in Full Bloom
Hard
Integer to English Words
Hard
Longest Consecutive Sequence
Medium
Reorganize String6 Months
Medium
Count the Number of Good Subarrays
Medium
Design Memory Allocator
Medium
Brightest Position on Street6 Months
Medium
Count Number of Nice Subarrays
Medium
Restore the Array From Adjacent Pairs6 Months
Medium
Design Browser History
Medium
Text Justification3 Months
Hard
Basic Calculator IV
Hard
Magnetic Force Between Two Balls
Medium
Accounts Merge
Medium
Design Search Autocomplete System3 Months
Hard
Employee Free Time
Hard