Passing Array to a Function in C++2 min read

In C++, passing an array to a function in the one-Dimensional array is done through an actual parameter and array variables with subscript are passed as formal arguments. While passing the array only the name of the array is passed to the function.

Same method is applied for the multi-dimensional array.

The syntax for passing an array to a function: There are three methods that can be used to pass an array to a function.

First Way: As a unsized array

Second Way: As a sized array

Third Way: As a pointer

C++ Program for Passing One-dimensional Array to a Function

The following program find the sum of all the numbers present in an array of one-dimensional.


C++ Program for Passing Multidimensional Array to a Function


Note: It is mandatory to give the column value in formal parameters but it is not necessary to give a row value. That is why int arr[][2] is written. We inserted 2 in the column value.


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