29th June 2020


How long is long long int?

A long int is a signed integral type that is at least 32 bits, while a long long or long long int is a signed integral type is at least 64 bits. This doesn't necessarily mean that a long long is wider than a long .

In respect to this, what does long long mean in C?

long. Type long (or long int) is an integral type that is larger than or equal to the size of type int. (On Windows long is the same size as int.) Objects of type long can be declared as signed long or unsigned long. Signed long is a synonym for long.

Also to know, what is the size of long int?

Integer: Keyword used for integer data types is int. Integers typically requires 4 bytes of memory space and ranges from -2147483648 to 2147483647.

Data TypeSize (in bytes)Range
long int4-2,147,483,648 to 2,147,483,647
unsigned long int40 to 4,294,967,295
long long int8-(2^63) to (2^63)-1

Which operator Cannot overload?

Operators that cannot be overloaded in C++
These operators cannot be overloaded because if we overload them it will make serious programming issues. For an example the sizeof operator returns the size of the object or datatype as an operand. This is evaluated by the compiler. It cannot be evaluated during runtime.

How big is int?

In this article
Data typeRangeStorage
bigint-2^63 (-9,223,372,036,854,775,808) to 2^63-1 (9,223,372,036,854,775,807)8 Bytes
int-2^31 (-2,147,483,648) to 2^31-1 (2,147,483,647)4 Bytes
smallint-2^15 (-32,768) to 2^15-1 (32,767)2 Bytes
tinyint0 to 2551 Byte
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