Bulls and cows/Player: Difference between revisions

m
m (→‎{{header|J}}: update for J9)
Line 1,441:
play=:{{
while.1<#poss=.poss do.
smoutput'guessing echo',fmt guess=.({~ ?@#)poss
bc=.+/\_".prompt 'how many bull and cows? '
poss=.poss #~({.bc)=guess+/@:="1 poss
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