t = a; a = b; b = t; // t is a third integer variable (swap variable)
But here's a way without a swap variable, given as as a macro in C:
#define SWAP(a,b) { if (a!=b) { a^=b; b^=a; a^=b; }} // Swap macro by XOR
Once you define it, you can say swap(x,y) to swap x and y. The numbers kind of flow through each other and end up swapped.
The number of values a variable can store at a time depends on the data type of the variable. For example, a variable of type int (integer) in many programming languages can store a single integer value at a time. Similarly, a variable of type float (floating-point number) can store a single floating-point value. Other data types like arrays or lists can store multiple values at a time. The capacity of a variable to store values is determined by its data type and memory allocation.
A particular kind of data item, as defined by the values it can take, the programming language used, or the operations that can be performed on it. I hope this has been useful to you.
int a,b; a=a+b; b=a-b; a=a-b; that's it simple
swap (int *pa, int *pb) { *pa ^= *pb; *pa ^= *pa; *pa ^= *pb; }
No. In most programming languages int is a keyword used to represent integer numeric values.
If a variable has possible values -2 6 and 17 then this variable is an Integer.
The set of the possible values.
variable which is used to specify the values and also we can that values through the variable name
It can take only a finite number of values. These need not be integer values.
By the range of values you wish to represent.
Integers - The "is_int()" function can be used to check if a variable is has an integer for its value. ---- is_int($variable); // Returns true if $variable is an integer - otherwise false ---- Numeric Strings - Numeric strings are strings with numbers (or things that count as numbers) in them. Numeric-string variables are not integer variables. Numeric-string variables are passed on through forms, instead of integer variables - if you were wondering. Check form values using string formats, and not integer formats. The "is_numeric()" function can be used to check if a variable is a string with numbers - and only numbers - in it (except things that add up to be numbers). ---- is_numeric($variable); // Returns true if $variable is a string, and only contains numbers (broadly speaking) - false otherwise ---- Strings - String values are just text, basically. String variables can contain integers, but that does not make it an integer-type variable - it makes it a numeric string variable. The "is_string" function can be used to check if a variable contains the value of a string. ---- is_string($variable); // Returns true if $variable is a string - false otherwise
A variable must be in place of a number, or representing a range of possible values. Otherwise, it is a constant and so yous imply replace it with the value of that constant.
The number of values a variable can store at a time depends on the data type of the variable. For example, a variable of type int (integer) in many programming languages can store a single integer value at a time. Similarly, a variable of type float (floating-point number) can store a single floating-point value. Other data types like arrays or lists can store multiple values at a time. The capacity of a variable to store values is determined by its data type and memory allocation.
A particular kind of data item, as defined by the values it can take, the programming language used, or the operations that can be performed on it. I hope this has been useful to you.
int a,b; a=a+b; b=a-b; a=a-b; that's it simple
1. integer values between 0 and 255 (if unsigned) 2. integer values between -128 and 127 (if signed) 3. letters, digits, symbols like a-zA-Z0-9;,.?: etc
You must substitute values for the variable.