The basic data types supported by C++ are described with their size in bytes and ranges in Table4.6.
Sizes of data types supported by C++ are shown in Figure 4.7.
Table 4.6 C++ Basic Data Types with Size and Range
Data TypeSize in BytesRange
char
1−128 to 127
unsigned char
10 to 255
signed char
1−128 to 127
int
2−32768 to 32767
unsigned int
20 to 65535
signed int
2−32768 to 32767
short int
2−32768 to 32767
unsigned short int
20 to 65535
signed short int
2−32768 to 32767
long int
4−2147483648 to 2147483647
signed long int
4−2147483648 to 2147483647
unsigned long int
40 to 4294967295
float
43.4e-38 to 3.4e+38
double ...
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