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Hashedin LeetCode Questions 2026

Browse LeetCode problems frequently asked by Hashedin. Filter by difficulty and timeframe to focus your interview prep.

Last updated: 20 Feb 2026

Timeframe

Difficulty

Problem	Difficulty	Frequency	Topics
Maximum Points Inside the Square	MEDIUM	100%	ArrayHash TableStringBinary SearchSorting
Best Time to Buy and Sell Stock	EASY	62.5%	ArrayDynamic Programming
Count the Number of Powerful Integers	HARD	75%	MathStringDynamic Programming
Minimize Length of Array Using Operations	MEDIUM	75%	ArrayMathGreedyNumber Theory
Find Candidates for Data Scientist Position	EASY	100%	Database
Maximize Items	HARD	100%	Database
Trapping Rain Water	HARD	62.5%	ArrayTwo PointersDynamic ProgrammingStackMonotonic Stack
Maximum Subarray	MEDIUM	62.5%	ArrayDivide and ConquerDynamic Programming
Minimum Cost to Make Array Equal	HARD	62.5%	ArrayBinary SearchGreedySortingPrefix Sum
Next Permutation	MEDIUM	62.5%	ArrayTwo Pointers
Chalkboard XOR Game	HARD	62.5%	ArrayMathBit ManipulationBrainteaserGame Theory
Jump Game II	MEDIUM	62.5%	ArrayDynamic ProgrammingGreedy
Jump Game	MEDIUM	75%	ArrayDynamic ProgrammingGreedy
Beautiful Arrangement	MEDIUM	62.5%	ArrayDynamic ProgrammingBacktrackingBit ManipulationBitmask
Number of Islands	MEDIUM	62.5%	ArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix
Minimum Time to Repair Cars	MEDIUM	75%	ArrayBinary Search
Maximum Product Subarray	MEDIUM	62.5%	ArrayDynamic Programming
Edit Distance	MEDIUM	62.5%	StringDynamic Programming
Isomorphic Strings	EASY	62.5%	Hash TableString
Group Anagrams	MEDIUM	62.5%	ArrayHash TableStringSorting

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