Strings in Strings by rotary-o

while(0<1)println(if(readLine.matches(".*(\\S+) (?!\\S*\\1).*"))"NO"else"YES")

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

To protect the system from spam, please input your favorite sport (hint: I believe its name must start with 'g', case insensitive)

download

return top