Lead Devops Engineer Interview Questions

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Consider a dynamic array (like std::vector in C++ or ArrayList in Java) which resizes itself when it's full. Suppose every time the array reaches capacity, it doubles in size. What is the amortized time complexity of inserting n elements into such an array, and why?
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Devops Intern

Interviewed at Copart

3.2
Aug 2, 2025

Consider a dynamic array (like std::vector in C++ or ArrayList in Java) which resizes itself when it's full. Suppose every time the array reaches capacity, it doubles in size. What is the amortized time complexity of inserting n elements into such an array, and why?

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