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Computer Science Level 2

Give a sorted array of \(n\) elements, what is the minimum number of comparisons needed to check whether a certain element occurs more than half of the time?

Details and Assumptions

-No auxiliary data structure is allowed.

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100 Day Summer Challenge

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Excel in math and science

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100 Day Summer Challenge

Less work

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations, examples, and problems from the community.

Used and loved by 4 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.