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int、long、long long取值范围 unsigned int 0～4294967295 int -2147483648～2147483647 unsigned long ...

short int 1个字节储存 unsigned short int 0～255short int -128～127 int 2个字节储存 unsigned int 0～4294967295 int 2147483648～2147483647 long ...

unsigned int 0～4294967295 (10位数，4e9) int -2147483648～2147483647 (10位数，2e9 2^31 - 1) long long ...

unsigned int 0～4294967295 int 2147483648～2147483647 unsigned long 0～4294967295long 2147483648～2147483647long long的最大值 ...

unsigned int 0～4294967295 int 2147483648～2147483647 unsigned long 0～4294967295 long 2147483648～2147483647 long long的最大值 ...

Mark～～ unsigned int 0～4294967295 int -2147483648～2147483647 unsigned long 0～4294967295long -2147483648～2147483647long long的最大值 ...

速查表： char -128 ~ +127 (1 Byte)short -32767 ~ + 32768 (2 Bytes)unsigned short 0 ~ 65535 (2 Bytes)int -2147483648 ~ +2147483647 (4 Bytes)unsigned int ...