Question 1

Count and Say — Pinterest Interview Question

Accepted Answer

"Count and Say" is a medium difficulty problem asked at Pinterest interviews. It covers the following topics: String. You can practice it on LeetCode: https://leetcode.com/problems/count-and-say

Question 2

Reconstruct Itinerary — Pinterest Interview Question

Accepted Answer

"Reconstruct Itinerary" is a hard difficulty problem asked at Pinterest interviews. It covers the following topics: Depth-First Search, Graph, Eulerian Circuit. You can practice it on LeetCode: https://leetcode.com/problems/reconstruct-itinerary

Question 3

Shortest Path in a Grid with Obstacles Elimination — Pinterest Interview Question

Accepted Answer

"Shortest Path in a Grid with Obstacles Elimination" is a hard difficulty problem asked at Pinterest interviews. It covers the following topics: Array, Breadth-First Search, Matrix. You can practice it on LeetCode: https://leetcode.com/problems/shortest-path-in-a-grid-with-obstacles-elimination

Question 4

Optimal Account Balancing — Pinterest Interview Question

Accepted Answer

"Optimal Account Balancing" is a hard difficulty problem asked at Pinterest interviews. It covers the following topics: Array, Dynamic Programming, Backtracking, Bit Manipulation, Bitmask. You can practice it on LeetCode: https://leetcode.com/problems/optimal-account-balancing

Question 5

Count Subarrays With Score Less Than K — Pinterest Interview Question

Accepted Answer

"Count Subarrays With Score Less Than K" is a hard difficulty problem asked at Pinterest interviews. It covers the following topics: Array, Binary Search, Sliding Window, Prefix Sum. You can practice it on LeetCode: https://leetcode.com/problems/count-subarrays-with-score-less-than-k

Question 6

Maximum Profit in Job Scheduling — Pinterest Interview Question

Accepted Answer

"Maximum Profit in Job Scheduling" is a hard difficulty problem asked at Pinterest interviews. It covers the following topics: Array, Binary Search, Dynamic Programming, Sorting. You can practice it on LeetCode: https://leetcode.com/problems/maximum-profit-in-job-scheduling

#	Question Title	Difficulty	Frequency	Topics
1	Count and Say	MEDIUM	100.0	String
2	Reconstruct Itinerary	HARD	94.8	Depth-First SearchGraphEulerian Circuit
3	Shortest Path in a Grid with Obstacles Elimination	HARD	93.4	ArrayBreadth-First SearchMatrix
4	Optimal Account Balancing	HARD	92.4	ArrayDynamic ProgrammingBacktracking+2
5	Count Subarrays With Score Less Than K	HARD	90.8	ArrayBinary SearchSliding Window+1
6	Maximum Profit in Job Scheduling	HARD	89.6	ArrayBinary SearchDynamic Programming+1
7	Bus Routes	HARD	85.7	ArrayHash TableBreadth-First Search
8	Expression Add Operators	HARD	85.0	MathStringBacktracking
9	Find Median from Data Stream	HARD	78.8	Two PointersDesignSorting+2
10	Shortest Way to Form String	MEDIUM	76.6	Two PointersStringBinary Search+1

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