Run the following complete program. Explain the meaning of value stored in variables ptr1, ptr2, ptr3, and ptr4. #include #include using namespace std; main() { void *ptr1,*ptr2,*ptr3,*ptr4; int i; char c; float f; double d; cout<<"Enter the integer value : "; cin>>i; cout<>c; cout<>f; cout<>d; cout< #include using namespace std; main() { int w; int *ptr = &w; cout<<" Enter any integer : "; cin>>*ptr; cout< #include using namespace std; main() { int set[5] = { 15,30,45,60,75}; int *ptr= set; cout<<*ptr<