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How Much More New? is a easy quant interview question on language knowledge in Cpp.
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This is an easy question that checks whether you understand how the new operator allocates memory in C++, and how array allocation differs from scalar allocation. It is a quick diagnostic for foundational language knowledge rather than algorithmic thinking.
The question asks you to trace through a code snippet and reason about the exact number of bytes requested at the point of allocation. Success requires familiarity with C++ type sizes, array syntax, and the semantics of new. Interviewers often use this kind of question early in a conversation to establish baseline competence before moving to more complex logic or system design.
newsizeof operator