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int, long与long long

int, long与long long

int

int最大值/最小值的宏定义为INT_MAX/INT_MIN

long

在64位机器中,long int和int均为4字节,取值范围相同(均为$[-2^{32}, 2^{32}-1]$),可等同于int。

long long

long long为8字节,取值范围是$[-2^{64}, 2^{64}-1]$。最大值/最小值的宏定义为LLONG_MAX/LLONG_MIN

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