#include iostreamusing namespace std;class Box {public:// Constructor definitionBox(double l = 2.0, double b = 2.0, double h = 2.0) {

#include iostreamusing namespace std;class Box {double width;public:friend void printWidth( Box box );

#include iostreamusing namespace std;class Line {public:int getLength( void );Line( int len );// simple constructor

#include iostreamusing namespace std;const int MAX = 3;int main () {intvar[MAX] = {10, 100, 200};

#include iostreamusing namespace std;const int MAX = 3;int main () {intvar[MAX] = {10, 100, 200};

#include iostreamusing namespace std;const int MAX = 3;int main () {intvar[MAX] = {10, 100, 200};

#include iostreamusing namespace std;// function declaration:double getAverage(int *arr, int size);

#include iostream#include ctimeusing namespace std;void getSeconds(unsigned long *par);

#include iostreamusing namespace std;int main () {intvar;int*ptr;int**pptr;var = 3000;// take the address of var

#include iostreamusing namespace std;const int MAX = 3;int main () {intvar[MAX] = {10, 100, 200};

#include iostream#include ctimeusing namespace std;// function to generate and retrun random numbers.

#include iostream#include ctimeusing namespace std;int main() {// current date/time based on current system

#include iostreamusing namespace std;// function declarationvoid swap(int x, int y);

// #include iostreamusing namespace std;int main () {cout Value of __LINE__ : __LINE__ endl;

#include iostreamusing namespace std;int main () {intvar1;char var2[10];cout Address of var1 variable: ;

#include iostreamusing namespace std;int sum(int a, int b = 20) {int result;result = a + b;return (result);

#include iostream#include ctimeusing namespace std;int main() {// current date/time based on current system

#include iostream#include cstringusing namespace std;int main () {char str1[10] = Hello;

#include iostreamusing namespace std;double division(int a, int b) {if( b == 0 ) {throw Division by zero condition!;

#include iostreamusing namespace std;int main () {char greeting[6] = {H, e, l, l, o, \\0};