path: root/day12.k

m:(.:'(d?'" ")#'d)!.:'(1+d?'">")_'d:0:`day12

#{?,/x,m x}/,0

-1+#{x^{?,/x,m x}/*x}\!m    / thanks @streetster_

#?{v@<v:?,/x,m x}/',:'!m    / mine, but slow
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