In C language, int is the data type used to store signed integers. It ranges from -2,147,483,648 to 2,147,483,647 and is used to store data such as counters, loop variables, array indexes, and function parameters. Compared to other integer types (short, long, and long long), int has a different storage range and size, and the appropriate type should be selected based on storage requirements and performance considerations.
#What does int stand for in C language?
int is a data type in the C programming language used to store integers. It represents a signed integer, which means it can store positive numbers, negative numbers, and zero.
Range of int:
On most systems, the range of int is:
- -2,147,483,648 (-2^31)
- 2,147,483,647 (2^31 - 1)
int Purpose:
int data type is usually used to store the following types of data :
- Counter
- Loop variable
- Array index
- Error code
- As function parameter and return value
Difference between int and other integer types:
There are other integer types in C language such as short, long and long long. They differ in storage scope and size.
- short: The storage range is -32,768 (-2^15) to 32,767 (2^15 - 1).
- long: The storage range is -2,147,483,648 (-2^31) to 2,147,483,647 (2^31 - 1).
- long long: The storage range is -9,223,372,036,854,775,808 (-2^63) to 9,223,372,036,854,775,807 (2^63 - 1).
Choose an integer type:
When selecting an integer type, storage range and performance requirements should be considered. int is usually the appropriate choice in most cases, unless very large numbers need to be stored or performance needs to be improved.
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