def d(n) \x09r=0 \x09(1...n).map{|i|n%i==0&&r=[r,d(i)].max} \x09(r+=n%10;n/=10)while n>0 \x09r end puts $<.map{|e|d e.to_i}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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