Question 1

Number of Orders in the Backlog — Robinhood Interview Question

Accepted Answer

"Number of Orders in the Backlog" is a medium difficulty problem asked at Robinhood interviews. It covers the following topics: Array, Heap (Priority Queue), Simulation. You can practice it on LeetCode: https://leetcode.com/problems/number-of-orders-in-the-backlog

Question 2

Restore the Array From Adjacent Pairs — Robinhood Interview Question

Accepted Answer

"Restore the Array From Adjacent Pairs" is a medium difficulty problem asked at Robinhood interviews. It covers the following topics: Array, Hash Table, Depth-First Search. You can practice it on LeetCode: https://leetcode.com/problems/restore-the-array-from-adjacent-pairs

Question 3

Brightest Position on Street — Robinhood Interview Question

Accepted Answer

"Brightest Position on Street" is a medium difficulty problem asked at Robinhood interviews. It covers the following topics: Array, Sorting, Prefix Sum, Ordered Set. You can practice it on LeetCode: https://leetcode.com/problems/brightest-position-on-street

Question 4

Count Good Meals — Robinhood Interview Question

Accepted Answer

"Count Good Meals" is a medium difficulty problem asked at Robinhood interviews. It covers the following topics: Array, Hash Table. You can practice it on LeetCode: https://leetcode.com/problems/count-good-meals

Question 5

Ways to Split Array Into Three Subarrays — Robinhood Interview Question

Accepted Answer

"Ways to Split Array Into Three Subarrays" is a medium difficulty problem asked at Robinhood interviews. It covers the following topics: Array, Two Pointers, Binary Search, Prefix Sum. You can practice it on LeetCode: https://leetcode.com/problems/ways-to-split-array-into-three-subarrays

Question 6

Check if There is a Valid Path in a Grid — Robinhood Interview Question

Accepted Answer

"Check if There is a Valid Path in a Grid" is a medium difficulty problem asked at Robinhood interviews. It covers the following topics: Array, Depth-First Search, Breadth-First Search, Union Find, Matrix. You can practice it on LeetCode: https://leetcode.com/problems/check-if-there-is-a-valid-path-in-a-grid

#	Question Title	Difficulty	Frequency	Topics
1	Number of Orders in the Backlog	MEDIUM	100.0	ArrayHeap (Priority Queue)Simulation
2	Restore the Array From Adjacent Pairs	MEDIUM	91.4	ArrayHash TableDepth-First Search
3	Brightest Position on Street	MEDIUM	87.6	ArraySortingPrefix Sum+1
4	Count Good Meals	MEDIUM	87.6	ArrayHash Table
5	Ways to Split Array Into Three Subarrays	MEDIUM	87.6	ArrayTwo PointersBinary Search+1
6	Check if There is a Valid Path in a Grid	MEDIUM	87.6	ArrayDepth-First SearchBreadth-First Search+2
7	Capital Gain/Loss	MEDIUM	87.6	Database
8	Count the Number of Consistent Strings	EASY	87.6	ArrayHash TableString+2
9	Top K Frequent Words	MEDIUM	80.0	ArrayHash TableString+5
10	Text Justification	HARD	62.1	ArrayStringSimulation

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