cout << "max(1,2)==" << max(1,2) << endl;
cout << "max(2,1)==" << max(2,1) << endl;
cout << "max('a','z')==" << max('a','z') << endl;
cout << "max(3.14,2.72)==" << max(3.14,2.72) << endl;


what does cout mean? i can not compile w/o stating a cout.