#include #include using namespace std;

const string BLACK = "********"; const string WHITE = " ";

int main() {

string whiteRow; string blackRow;

whiteRow = WHITE+BLACK+WHITE+BLACK+WHITE+BLACK+WHITE+BLACK;

blackRow = BLACK+WHITE+BLACK+WHITE+BLACK+WHITE+BLACK+WHITE;

cout<< whiteRow << endl; cout<< whiteRow << endl; cout<< whiteRow << endl; cout<< whiteRow << endl; cout<< whiteRow << endl;

cout<< blackRow << endl; cout<< blackRow << endl; cout<< blackRow << endl; cout<< blackRow << endl; cout<< blackRow << endl;

cout<< whiteRow << endl; cout<< whiteRow << endl; cout<< whiteRow << endl; cout<< whiteRow << endl; cout<< whiteRow << endl;

cout<< blackRow << endl; cout<< blackRow << endl; cout<< blackRow << endl; cout<< blackRow << endl; cout<< blackRow << endl;

cout<< whiteRow << endl; cout<< whiteRow << endl; cout<< whiteRow << endl; cout<< whiteRow << endl; cout<< whiteRow << endl;

cout<< blackRow << endl; cout<< blackRow << endl; cout<< blackRow << endl; cout<< blackRow << endl; cout<< blackRow << endl;

cout<< whiteRow << endl; cout<< whiteRow << endl; cout<< whiteRow << endl; cout<< whiteRow << endl; cout<< whiteRow << endl;

cout<< blackRow << endl; cout<< blackRow << endl; cout<< blackRow << endl; cout<< blackRow << endl; cout<< blackRow << endl;

return 0; }

Identify three structural improvements that could be made to the program. Explain why these are improvements. Implement the improvements.

describe pre and post conditions