edaBit-coding-challenges/Making-a-Box/code.cpp

/*  Create a function that creates a box based on dimension n.
 */
std::vector<std::string> makeBox(int n) {
	// n represents the height of the box and length
	std::vector<std::string> thebox;
	for (int i=0;i<n;i++){
		// creates an array of strings based on "n"
		thebox.push_back(std::string(n,'#'));
		// modify the middle rows by replacing the center characters
		if((i>0) && (i < (n-1))){
			thebox[i].replace (1,  n-2,  n-2, ' ');
		}
	}
	return thebox;
}