C语言中数据类型的取值范围如下:
char -128 ~ +127 (1 Byte)
short -32767 ~ + 32768 (2 Bytes)
unsigned short 0 ~ 65536 (2 Bytes)
int -2147483648 ~ +2147483647 (4 Bytes)
unsigned int 0 ~ 4294967295 (4 Bytes)
long == int
long long -9223372036854775808 ~ +9223372036854775807 (8 Bytes)
double 1.7 * 10^308 (8 Bytes)
unsigned int 0~4294967295
long long的最大值:9223372036854775807
long long的最小值:-9223372036854775808
unsigned long long的最大值:1844674407370955161
__int64的最大值:9223372036854775807
__int64的最小值:-9223372036854775808
unsigned __int64的最大值:18446744073709551615