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| f<< /sys/file.fs
f<< /sys/io.fs
f" /aoc/input"
: str0 ( a u -- ) rfor 0 i c! next ;
9 stringlist snums "one" "two" "three" "four" "five" "six" "seven" "eight" "nine"
0 value t
: wordnum ( a -- n or 0 )
to t 3 5 rfor t i []>str snums sfind if 1+ break then i 5 = if 0 then next
;
: _getdigit ( a -- n ) c@ dup 0-9? if 48 - else drop 0 then ;
: getdigit-withtext ( a -- n ) >r r@ _getdigit ?dup not if r@ wordnum then rdrop ;
alias noop getdigit
: first ( s -- n )
c@+ rfor i getdigit ?dup if break then next
;
: last ( s -- n )
c@+ for dup i + 1- getdigit ?dup if break then next nip
;
: calibration ( s -- n ) dup first swap last swap 10 * + ;
0 value totala
0 value totalb
: solve begin file :readline ?dup while
['] _getdigit ['] getdigit realias
dup calibration to+ totala
['] getdigit-withtext ['] getdigit realias
dup calibration to+ totalb
c@+ str0
repeat
totala . nl> totalb . nl> ;
|
