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Problem Statistics
Breakdown of 13 problems.

Difficulty Distribution

(3)
(9)

Recency Distribution

(13)

Most Common Tags (Top 7)

Array (11)
Hash Table (4)
String (4)
Depth-First Search (3)
Sorting (2)
Prefix Sum (2)
Breadth-First Search (2)
Coding Interview Problems for Robinhood
13
Best Time to Buy and Sell Stock
3-6 months ago
Easy

Topics

Array
Dynamic Programming
Trending
Recent
Mock
Brightest Position on Street
3-6 months ago
Medium

Topics

Array
Sorting
Prefix Sum
Ordered Set
Trending
Recent
Mock
Capital Gain/Loss
3-6 months ago
Medium

Topics

Database
Trending
Recent
Mock
Check if There is a Valid Path in a Grid
3-6 months ago
Medium

Topics

Array
Depth-First Search
Breadth-First Search
Union Find
+1 more
Trending
Recent
Mock
Count Good Meals
3-6 months ago
Medium

Topics

Array
Hash Table
Trending
Recent
Mock
Count the Number of Consistent Strings
3-6 months ago
Easy

Topics

Array
Hash Table
String
Bit Manipulation
+1 more
Trending
Recent
Mock
Defanging an IP Address
3-6 months ago
Easy

Topics

String
Trending
Recent
Mock
Minesweeper
3-6 months ago
Medium

Topics

Array
Depth-First Search
Breadth-First Search
Matrix
Trending
Recent
Mock
Number of Orders in the Backlog
3-6 months ago
Medium

Topics

Array
Heap (Priority Queue)
Simulation
Trending
Recent
Mock
Restore the Array From Adjacent Pairs
3-6 months ago
Medium

Topics

Array
Hash Table
Depth-First Search
Trending
Recent
Mock
Text Justification
3-6 months ago
Hard

Topics

Array
String
Simulation
Trending
Recent
Mock
Top K Frequent Words
3-6 months ago
Medium

Topics

Array
Hash Table
String
Trie
+4 more
Trending
Recent
Mock
Ways to Split Array Into Three Subarrays
3-6 months ago
Medium

Topics

Array
Two Pointers
Binary Search
Prefix Sum
Trending
Recent
Mock

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