nd3i

## Question: why do #s 1 & 2 work, but #3 does not?
##
my @w = <cat bat rat>;
my $s = 'the cattle was rattle by the battery';

say '1: ', $s.subst(/ <|w>( @w )\w* /, {$0}, :g);

## Output> the cat was rat by the bat

nd3i

$ raku cppc.raku
'alpha' --> {a => [0 4], h => [3], l => [1], p => [2]}
{...} --> [a l p h a]

## ... uncomment 'Hash' on line 10 ...

$ raku cppc.raku
'alpha' --> {a => [0 4], h => [3], l => [1], p => [2]}
Type check failed in binding to parameter '%cp'; expected Associative[Hash] but got Hash[Any,Mu] ((my Any %{Mu} =
:a($...)

nd3i

# Task 2: Line Counts
# 
# You are given a string, $str, and a 26-items array @widths
# containing the width of each character from a to z.
# 
# Write a script to find out the number of lines and the width of the
# last line needed to display the given string, assuming you can only
# fit 100 width units on a line.

constant $width = 100;

nd3i

# https://theweeklychallenge.org/blog/perl-weekly-challenge-202/#TASK2
#
# Given a profile as a list of altitudes, return the leftmost widest
# valley. A valley is defined as a subarray of the profile consisting
# of two parts: the first part is non-increasing and the second part
# is non-decreasing. Either part can be empty.

# encode: convert list of Int to Arry of symbols:
#         (1 5 5 2 8) --> [< = > <]
#

nd3i

use v6;

# generate a range delimiting each possible sub array
#
multi sub gensub (@a, $min = 1) {
  gensub(@a.elems, $min)
}

multi sub gensub (Int $n where $n > 0, Int $min = 1) {
  gather {

nd3i

use v6;

do -> @list, $target {

     my $char = @list.sort.first(* gt $target);

      say "List: (@list[]), ",
	  "Target: $target, ",
     	  defined($char) ??
	    "Found: $char" !!

nd3i

subset Even of Int where * %% 2;

sub median (*@n) {
    given @n.elems {
    	  when 0    { return () }
	  when Even { return @n.sort[@n/2-1, @n/2].sum/2 }
	  default   { return @n.sort[(@n+1)/2-1] }
    }
}

nd3i

subset Even of Int where * %% 2;

sub median {
  my @n = @_;
  given @n.elems {
    when 0    { return () }
    when Even { return @n.sort[@n/2-1, @n/2].sum/2 } # avg of two middle elements
    default   { return @n.sort[(@n+1)/2-1] } # middle element
  }
}

nd3i

use v6;

sub MAIN (*@files, :$fmt='%d', :$sep=': ') {

    my $nl = 1;
    @files = '-' unless @files;
    
    for @files>>.IO -> $f {
      $nl = 1;
      for $f.lines -> $line {

nd3i

use v6;

sub MAIN (:$sep = "\t", :$min = 0) {

    my ($lines, $words, $chars) = 0 xx 3;
    
    for lines() -> $l {
	$lines += 1;
	$chars += $l.chars + 1;
	$words += $l.subst(/<-alpha -space>/,'',:g).words.grep(*.chars >= $min);