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Samsung LeetCode Questions 2026

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

Last updated: 20 Feb 2026

Timeframe

Difficulty

Problem	Difficulty	Frequency	Topics
Two Sum	EASY	75%	ArrayHash Table
Add Two Numbers	MEDIUM	50%	Linked ListMathRecursion
Palindrome Number	EASY	50%	Math
3Sum	MEDIUM	62.5%	ArrayTwo PointersSorting
Valid Parentheses	EASY	50%	StringStack
Search in Rotated Sorted Array	MEDIUM	50%	ArrayBinary Search
Trapping Rain Water	HARD	87.5%	ArrayTwo PointersDynamic ProgrammingStackMonotonic Stack
Maximum Subarray	MEDIUM	62.5%	ArrayDivide and ConquerDynamic Programming
Merge Intervals	MEDIUM	50%	ArraySorting
Vertical Order Traversal of a Binary Tree	HARD	87.5%	Hash TableTreeDepth-First SearchBreadth-First SearchSortingBinary Tree
Stone Game IX	MEDIUM	87.5%	ArrayMathGreedyCountingGame Theory
Partition Array Into Two Arrays to Minimize Sum Difference	HARD	87.5%	ArrayTwo PointersBinary SearchDynamic ProgrammingBit ManipulationSortingOrdered SetBitmask
Best Time to Buy and Sell Stock	EASY	75%	ArrayDynamic Programming
Linked List Cycle	EASY	50%	Hash TableLinked ListTwo Pointers
LRU Cache	MEDIUM	100%	Hash TableLinked ListDesignDoubly-Linked List
Number of Islands	MEDIUM	100%	ArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix
Number of Paths with Max Score	HARD	87.5%	ArrayDynamic ProgrammingMatrix
Largest 1-Bordered Square	MEDIUM	87.5%	ArrayDynamic ProgrammingMatrix
Meeting Rooms II	MEDIUM	50%	ArrayTwo PointersGreedySortingHeap (Priority Queue)Prefix Sum
Longest Increasing Subsequence	MEDIUM	87.5%	ArrayBinary SearchDynamic Programming

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