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Directi LeetCode Questions 2026

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

Last updated: 20 Feb 2026

Timeframe

Difficulty

Problem	Difficulty	Frequency	Topics
Minimum Cost to Buy Apples	MEDIUM	100%	ArrayGraph TheoryHeap (Priority Queue)Shortest Path
Maximum XOR of Two Non-Overlapping Subtrees	HARD	100%	TreeDepth-First SearchGraph TheoryTrie
Difference Between Maximum and Minimum Price Sum	HARD	100%	ArrayDynamic ProgrammingTreeDepth-First Search
Number of Sub-arrays With Odd Sum	MEDIUM	100%	ArrayMathDynamic ProgrammingPrefix Sum
Find the Winner of an Array Game	MEDIUM	100%	ArraySimulation
Find Longest Awesome Substring	HARD	100%	Hash TableStringBit Manipulation
Min Cost to Connect All Points	MEDIUM	100%	ArrayUnion-FindGraph TheoryMinimum Spanning Tree
Largest Submatrix With Rearrangements	MEDIUM	100%	ArrayGreedySortingMatrix
Burst Balloons	HARD	62.5%	ArrayDynamic Programming

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