#include<iostream>
#include<cstring>
using namespace std;
	

char* concatenate_strings(const char *start, const char *end){
	size_t final_length = strlen(start) + strlen(end);
	char *new_string = new char[final_length + 1];
	strcpy(new_string, start);
	strcpy(new_string + strlen(start), end);
	return new_string;
}

int main(){
	char *a = "ant", *b = "bee";


	
	char *c = concatenate_strings(a, b);
	cout << c << endl;

	char *d = concatenate_strings("dog", "moose");

	if(c == d)
		cout << "c and d are equal" << endl;

	cout << d << endl;
	
	cout << "c is " << c << endl;

	delete [] c;
	delete [] d;

	return 0;
}