Bulls and cows: Difference between revisions

enum size = 4;

immutable ddigits = "123456789"d;

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

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

guess = readln.strip.dtext;

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

break;

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

}

 

.count!(i => guess[i] != chosen[i] &&

chosen.canFind(guess[i]));