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Is there any way to determine the size of a C++ array programmatically? And if not, why? - Stack Ove
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日期：2026-04-28
Actually, if you allocated the array on the stack the sizeof operator would return 1024 -- which is 256 (the # of elements) * 4 (the size of an individual element). (sizeof(arr)/sizeof(arr[0])) would give the result 256. – Kevin Oct 13 '08 at 16:03...看更多
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