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