[코딩] 기본 문제

자료형 범위 초과 계산 방법

 

 

 

# 참고, 자료형별 범위 (32bit 기준이며 다른 환경에서는 다를수 있음)

기본형	void	–	–
문자형	(signed) char	1 byte	-128 ~ 127
	unsigned char	1 byte	0 ~ 255
	wchar_t	2 byte	0 ~ 65,535
정수형	bool	1 byte	0 ~ 1
	(signed) short (int)	2 byte	-32,768 ~ 32,767
	unsigned short (int)	4 byte	0 ~ 65,535
	(signed) int	4 byte	-2,147,483,648 ~ 2,147,483,647
	unsigned int	4 byte	0 ~ 4,294,967,295
	(signed) long (int)	4 byte	-2,147,483,648 ~ 2,147,483,647
	unsigned long (int)	4 byte	0 ~ 4,294,967,295
	__int8	1 byte	-128 ~ 127
	__int16	2 byte	-32,768 ~ 32,767
	__int32	4 byte	-2,147,483,648 ~ 2,147,483,647
	__int64	8 byte	-9,223,372,036,854,775,808 ~ 9,223,372,036,854,775,807
실수형	float	4 byte	3.4E-38(-3.4*10^38) ~ 3.4E+38(3.4*10^38) (7digits)
	(long) double	8 byte	1.79E-308(-1.79*10^308) ~ 1.79E+308(1.79*10^308) (15digits)

 

 

#Reference

- https://haruhiism.tistory.com/11

- https://injunech.tistory.com/400