Question 1

String Compression — CrowdStrike Interview Question

Accepted Answer

"String Compression" is a medium difficulty problem asked at CrowdStrike interviews. It covers the following topics: Two Pointers, String. You can practice it on LeetCode: https://leetcode.com/problems/string-compression

Question 2

Number of Islands — CrowdStrike Interview Question

Accepted Answer

"Number of Islands" is a medium difficulty problem asked at CrowdStrike 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/number-of-islands

Question 3

Merge Intervals — CrowdStrike Interview Question

Accepted Answer

"Merge Intervals" is a medium difficulty problem asked at CrowdStrike interviews. It covers the following topics: Array, Sorting. You can practice it on LeetCode: https://leetcode.com/problems/merge-intervals

Question 4

Encode and Decode Strings — CrowdStrike Interview Question

Accepted Answer

"Encode and Decode Strings" is a medium difficulty problem asked at CrowdStrike interviews. It covers the following topics: Array, String, Design. You can practice it on LeetCode: https://leetcode.com/problems/encode-and-decode-strings

Question 5

Trapping Rain Water — CrowdStrike Interview Question

Accepted Answer

"Trapping Rain Water" is a hard difficulty problem asked at CrowdStrike interviews. It covers the following topics: Array, Two Pointers, Dynamic Programming, Stack, Monotonic Stack. You can practice it on LeetCode: https://leetcode.com/problems/trapping-rain-water

Question 6

Best Time to Buy and Sell Stock — CrowdStrike Interview Question

Accepted Answer

"Best Time to Buy and Sell Stock" is a easy difficulty problem asked at CrowdStrike interviews. It covers the following topics: Array, Dynamic Programming. You can practice it on LeetCode: https://leetcode.com/problems/best-time-to-buy-and-sell-stock

#	Question Title	Difficulty	Frequency	Topics
1	String Compression	MEDIUM	100.0	Two PointersString
2	Number of Islands	MEDIUM	77.0	ArrayDepth-First SearchBreadth-First Search+2
3	Merge Intervals	MEDIUM	77.0	ArraySorting
4	Encode and Decode Strings	MEDIUM	77.0	ArrayStringDesign
5	Trapping Rain Water	HARD	77.0	ArrayTwo PointersDynamic Programming+2
6	Best Time to Buy and Sell Stock	EASY	67.5	ArrayDynamic Programming
7	Move Zeroes	EASY	67.5	ArrayTwo Pointers
8	Time Based Key-Value Store	MEDIUM	67.5	Hash TableStringBinary Search+1
9	Spiral Matrix	MEDIUM	67.5	ArrayMatrixSimulation
10	Squares of a Sorted Array	EASY	67.5	ArrayTwo PointersSorting

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