C++ Math llround()

This function is used to round off the given value and cast to long long integer.

Syntax

Suppose a number is ‘x’. Syntax would be:

Parameter

x: The value that can be either double or float.

Return value

It returns the rounded value of x. The return type of the function is long long integer.

Example 1

Let’s see a simple example.

Output:

The value of x is :50.8  The rounded value of x is :51