unsigned long型数的取值范围是()
unsigned long型数的取值范围是()
A、-215~(215-1)
B、-231~(231-1)
C、0~(216-1)
D、0~(232-1)
【正确答案】:D
【题目解析】:unsigned long型数的取值范围是0~2的32次方-1

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