기본 자료형의 종류 (상세 정리) |
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구분 | 자료형 | 크기(byte) | 범위 |
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문자형 | char | 1 byte | -128 ~ 127 |
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unsigned char | 1 byte | 0 ~ 255 |
정수형 | __int8 | 1 byte | -128 ~ 127 |
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__int16 | 2 byte | -32,768 to 32,767 |
unsigned int | 2 byte | -32,768 to 32,767 |
(signed) short (int) | 2 byte | -32,768 to 32,767 |
unsigned short (int) | 2 byte | 0 ~ 65,535 |
__int32 | 4 byte | -2,147,483,648 ~ 2,147,483,647 |
(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 (ing) | 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 (7 digits) |
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double | 8 byte | 1.7E +/- 308 (15 digits) |
long double | 8 byte | 1.2E +/- 4932 (19 digits) |