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Capital One SDE 1

The 15 highest-frequency questions from last 6 months. Finish the strongest signals first.

Updated weekly · Latest source check: 13 Oct 2026ⓘLatest successful check of the sources used by this company. A check does not necessarily mean the questions changed.

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Top questions 15

Done	Question	LeetCode
Mark Design Memory Allocator completed	Design Memory Allocator	Solve
Mark Minimize Result by Adding Parentheses to Expression completed	Minimize Result by Adding Parentheses to Expression	Solve
Mark Block Placement Queries completed	Block Placement Queries	Solve
Mark Restore the Array From Adjacent Pairs completed	Restore the Array From Adjacent Pairs	Solve
Mark Text Justification completed	Text Justification	Solve
Mark Simple Bank System completed	Simple Bank System	Solve
Mark Find the Length of the Longest Common Prefix completed	Find the Length of the Longest Common Prefix	Solve
Mark Binary Tree Paths completed	Binary Tree Paths	Solve
Mark Spiral Matrix completed	Spiral Matrix	Solve
Mark Alternating Groups II completed	Alternating Groups II	Solve
Mark Candy Crush completed	Candy Crush	Solve
Mark Distribute Elements Into Two Arrays II completed	Distribute Elements Into Two Arrays II	Solve
Mark Merge Intervals completed	Merge Intervals	Solve
Mark Number of Adjacent Elements With the Same Color completed	Number of Adjacent Elements With the Same Color	Solve
Mark Rotate Image completed	Rotate Image	Solve