%!PS

% begin included library code
% see https://codeberg.org/Firedrake/postscript-libraries/
/test {
    /test.count test.count 1 add def
    {
        /test.pass test.pass 1 add def
    } {
        ( ) print
        test.count (....) cvs print
        (-fail) print
    } ifelse
} bind def

/test.start {
    print (:) print
    /test.pass 0 def
    /test.count 0 def
} bind def

/s2a {
    [ exch { } forall ]
} bind def

/test.end {
    ( ) print
    test.count 0 gt {
        (Passed ) print
        test.pass (...) cvs print
        (/) print
        test.count (...) cvs print
        ( \() print
        test.pass 100 mul test.count idiv (...) cvs print
        (%\)) print
        (\r\n) print
    } if
} bind def


% end included library code

/transfer {
    48 sub
    exch
    48 sub
    2 copy
    exch
    sub 26 add 26 mod
    3 1 roll
    sub 26 add 26 mod
    min
} bind def

/minimumtime {
    0 dict begin
    /prev (a) s2a 0 get def
    dup length exch
    s2a {
        /c exch def
        prev c transfer add
        /prev c def
    } forall
    end
} bind def

(minimumtime) test.start
(abc) minimumtime 5 eq test
(bza) minimumtime 7 eq test
(zjpc) minimumtime 34 eq test
test.end