정수형 변수 범위

char : -128 ~ 127

unsigned char : 0 ~ 255

short : -32768 ~ 32767

unsigned short : 0 ~ 65535

int : -2147483648 ~ 2147483647 (10자리)

unsigned int : 0 ~ 4294967295 (10자리)

long long : -9223372036854775808 ~ 9223372036854775807 (19자리)

unsigned long long : 0 ~ 18446744073709551615 (20자리)