Bulls and cows: Difference between revisions

dchar[] ddigits = "123456789"d.dup;

//immutable chosen = array(randomCover(ddigits))[0 .. size];

writeln("Guess a number composed of ", size,

" unique digits from 1 to 9 in random order.");

while (true) {

writef("\nNext guess (%d): ", nGuesses);

if (guess.countchars(ddigits) == size &&

break;

writefln("I need %d unique digits from 1 to 9, no spaces", size);

writefln(" %d Bulls\n %d Cows", bulls, cows);

}

<pre>Guess a number composed of 4 unique digits from 1 to 9 in random order.