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

int main() {
    char * str;
    str = new char[20];
    strcpy(str, "Hello, world\n");
    cout << str;
    delete[] str;

    char* strs[] = { "Hello", "world" };
    for(auto s: strs)
        cout << s << endl;
	
}