#!/usr/bin/perl -l print,while+s!!$+?$+%9||0+$+&&9:pop!ge,/(?=(..)?)./ |
#!/usr/bin/perl -l print,while s!(?=(..)?).?!~$+?$+\%9||0+$+&&9:pop!ge^2 |
#!/usr/bin/perl -l print,while+s!(?=(..)?).?!~$+?$+\%9||0+$+&&9:pop!ge^2 |
#!/usr/bin/perl -l print while s!.?(?=(.?))!~$1?$1+$&-9*($1+$&>9):pop!ge,~$_ |
#!/usr/bin/perl -l print,while+s!.?(?=(.?))!~$+?$++$&-9*($++$&>9):pop!ge,/./ |
#!/usr/bin/perl -l
$_=pop;do{print}while s/.(?=(.))/$1+$&-9*($1+$&>9)/ge^~chop
|
#!/usr/bin/perl -l
$_=pop;do{print}while s/.(?=(.))/($t=$&+$1)-9*($t>9)/ge^~chop
|
#!/usr/bin/perl -l print$_=pop;chop,print while s/.(?=(.))/($t=$&+$1)-9*($t>9)/ge |
#!/usr/bin/perl -l print$_=pop;chop,print while s/.(?=(.))/($t=$&+$1)%10+($t>9)/ge |
#!/usr/bin/perl -l print$_=pop;chop,print while s/.(?=(.))/($t=$&+$1)%10+($t>=10)/ge |