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[Sync Iteration] 8th/hamming/1 #17

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18 changes: 18 additions & 0 deletions solutions/8th/hamming/1/hamming.8th
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Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
: calculate \ n --
dup
3 pick swap 1 s:slice swap
2 pick swap 1 s:slice s:cmp
0 n:= if 0 else 1 then
n:abs
3 roll n:+ -rot
;

: distance \ s1 s2 -- n
s:2len n:= not if null 2nip
else
0 -rot
dup s:len 1 n:- nip
( calculate ) 0 rot loop
2drop
then
;