%!PS

% begin included library code
% see https://codeberg.org/Firedrake/postscript-libraries/
/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

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

/deepeq {
    2 dict begin
    /a exch def
    /b exch def
    a type b type eq {
        a type /dicttype eq {
            a length b length eq {
                <<
                    a {
                        pop
                        true
                    } forall
                    b {
                        pop
                        true
                    } forall
                >>
                true exch
                {
                    pop
                    dup a exch known {
                        dup b exch known {
                            dup a exch get exch b exch get deepeq not {
                                pop false
                            } if
                        } {
                            false
                        } ifelse
                    } {
                        false
                    } ifelse
                } forall
            } {
                false
            } ifelse
        } {
            a type dup /arraytype eq exch /stringtype eq or {
                a length b length eq {
                    true
                    0 1 a length 1 sub {
                        dup a exch get exch b exch get deepeq not {
                            pop false
                            exit
                        } if
                    } for
                } {
                    false
                } ifelse
            } {
                a b eq
            } ifelse
        } ifelse
    } {
        false
    } ifelse
    end
} bind def

/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


% end included library code

/luckynumbers {
    0 dict begin
    /a exch def
    /maxs [
        0 1 a 0 get length 1 sub {
            /x exch def
            /max [ 0 0 0 ] def
            0 1 a length 1 sub {
                /y exch def
                a y get x get max 0 get gt {
                    /max [ a y get x get y x ] def
                } if
            } for
            max
        } for
    ] def
    /mins [
        0 1 a length 1 sub {
            /y exch def
            /min [ a y get 0 get y 0 ] def
            0 1 a 0 get length 1 sub {
                /x exch def
                a y get x get min 0 get lt {
                    /min [ a y get x get y x ] def
                } if
            } for
            min
        } for
    ] def
    -1
    /ex false def
    maxs {
        /i exch def
        mins {
            /j exch def
            i j deepeq {
                pop i 0 get
                /ex true def
                exit
            } if
        } forall
        ex {
            exit
        } if
    } forall
    end
} bind def

(luckynumbers) test.start
[[3 7 9] [9 11 13] [15 16 17]] luckynumbers 15 eq test
[[1 10 4 2] [9 3 8 7] [15 16 17 12]] luckynumbers 12 eq test
[[7 8] [1 2]] luckynumbers 7 eq test
test.end