Question

In C++ please.

1. Explain what default parameter values are.  Describe "function
     overloading" and "function call resolution". Simplify the
     following code using default parameter values.


     int *setUpArray(int size, int value){
         int *a = new int[size];
         for (int i=0; i < size; ++i) a[i] = value;
         return a;
     }

     int *setUpArray(int size){
        int *a = new int[size];
        for (int i=0; i < size; ++i) a[i] = 0;
        return a;
     }

     int *setUpArray(){
        int *a = new int[100];
        for (int i=; i < 100; ++i) a[i] = 0;
        return a;
     }

Answer 1

default values are given to parameters
if we dont pass value for that parameter than default value
will be assigned
function overloading is having same function with different type of order
of parameters

// if we dont pass the size and value than
// by default it will create the with default vaues 100 and 0
int *setUpArray(int size=100, int value=0){
int *a = new int[size];
for (int i=0; i < size; ++i) a[i] = value;
return a;
}

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