The Actual parameters are the variables that are transferred to the function when it is requested. The Formal Parameters are the values determined by the function that accepts values when the function is declared. In actual parameters, only the variable is mentioned, not the data types.
ARRAYS An array in C/C++ or be it in any programming language is a collection of similar data items stored at contiguous memory locations and elements can be accessed randomly using indices of an array. There are two types of array in C++, which are : Single-dimensional array : It is a collection of elements of the same data type that are stored in a contiguous block of memory. Multi-dimensional array : It is an array that contains one or more arrays as its elements. We will see this in the next section multidimensional arrays in C++ .
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