sgreen solutions to challenge 179

6 files changed, 226 insertions, 2 deletions

diff --git a/challenge-179/sgreen/README.md b/challenge-179/sgreen/README.md
index d637d292a2..65ea77fbce 100644
--- a/challenge-179/sgreen/README.md
+++ b/challenge-179/sgreen/README.md
@@ -1,3 +1,3 @@
-# The Weekly Challenge 178
+# The Weekly Challenge 179
 
-Blog [Quater-imaginary Business Date](https://dev.to/simongreennet/quater-imaginary-business-date-58ln)
+Blog [The Ordinal Sparkline](https://dev.to/simongreennet/the-ordinal-sparkline-dn5)
diff --git a/challenge-179/sgreen/blog.txt b/challenge-179/sgreen/blog.txt
new file mode 100644
index 0000000000..0841550863
--- /dev/null
+++ b/challenge-179/sgreen/blog.txt
@@ -0,0 +1 @@
+https://dev.to/simongreennet/the-ordinal-sparkline-dn5
\ No newline at end of file
diff --git a/challenge-179/sgreen/perl/ch-1.pl b/challenge-179/sgreen/perl/ch-1.pl
new file mode 100755
index 0000000000..18cffa3704
--- /dev/null
+++ b/challenge-179/sgreen/perl/ch-1.pl
@@ -0,0 +1,101 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+use feature 'say';
+use experimental 'signatures';
+
+sub main ($n) {
+    if ( $n >= 10**12 ) {
+        die 'Number too large\n';
+    }
+    my $hundred = $n % 100 == 0;
+
+    my @numbers = (
+        undef,     'one',       'two',      'three',
+        'four',    'five',      'six',      'seven',
+        'eight',   'nine',      'ten',      'eleven',
+        'twelve',  'thirteen',  'fourteen', 'fifteen',
+        'sixteen', 'seventeen', 'eighteen', 'nineteen'
+    );
+    my @tens = (
+        undef,   undef,     'twenty', 'thirty', 'fourty', 'fifty',
+        'sixty', 'seventy', 'eighty', 'ninety'
+    );
+    my @ordinal = (
+        undef,       'first',       'second',     'third',
+        'fourth',    'fifth',       'sixth',      'seventh',
+        'eighth',    'ninth',       'tenth',      'eleventh',
+        'twelfth',   'thirteenth',  'fourteenth', 'fifteenth',
+        'sixteenth', 'seventeenth', 'eighteenth', 'nineteenth'
+    );
+    my @thousands = ( undef, 'thousand', 'million', 'billion' );
+
+    # Split the string into blocks of three
+    my @blocks = ();
+    while ( length($n) > 3 ) {
+        # Take off the last three numbers
+        push @blocks, substr( $n, -3 );
+        $n = substr( $n, 0, -3 );
+    }
+
+    push @blocks, $n;
+
+    my @words = ();
+    while ( my ( $count, $value ) = each @blocks ) {
+        my $w = '';
+
+        # Maybe this block has no numbers
+        next if $value == 0;
+
+        # Deal with the hundreds first
+        if ( $value >= 100 ) {
+            $w = $numbers[ int( $value / 100 ) ] . ' hundred';
+
+            if ( $value % 100 == 0 ) {
+                # Deal with numbers evenly divisable by 100
+                if ( $count > 0 ) {
+                    $w .= ' ' . $thousands[$count];
+                }
+                unshift @words, $w;
+                next;
+            }
+
+            $w .= ' and ';
+            $value = $value % 100;
+        }
+
+        # Then the tens
+        if ( $value >= 20 ) {
+            $w .= $tens[ int( $value / 10 ) ] . ' ';
+            $value = $value % 10;
+
+            if ($value == 0 and $count == 0) {
+                # We need to add the ordinal word here
+                substr($w, -2) = 'ieth';
+            }
+        }
+
+        # And then the number
+        if ($value != 0) {
+            $w .= $count == 0 ? $ordinal[$value] : $numbers[$value];
+        }
+
+        # And maybe the thousandth word
+        if ( $count > 0 ) {
+            $w .= ' ' . $thousands[$count];
+        }
+
+        unshift @words, $w;
+    }
+
+# Edge case, if the number is evenly divisible by 100, add 'th' to the last value
+    if ($hundred) {
+        $words[-1] .= 'th';
+    }
+
+    # Print the ordinal number
+    say join ' ', @words;
+}
+
+main( $ARGV[0] );
\ No newline at end of file
diff --git a/challenge-179/sgreen/perl/ch-2.pl b/challenge-179/sgreen/perl/ch-2.pl
new file mode 100755
index 0000000000..808e3e8662
--- /dev/null
+++ b/challenge-179/sgreen/perl/ch-2.pl
@@ -0,0 +1,25 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+use feature 'say';
+use experimental 'signatures';
+use List::Util qw(min max);
+
+sub main (@numbers) {
+    my @bar      = (qw'▁ ▂ ▃ ▄ ▅ ▆ ▇ █');
+    my $barcount = scalar(@bar);
+
+    my $mn        = min(@numbers);
+    my $mx        = max(@numbers);
+    my $extent    = $mx - $mn;
+    my $sparkline = '';
+
+    foreach my $n (@numbers) {
+        $sparkline .= $bar[ min( $barcount - 1, int( ( $n - $mn ) / $extent * $barcount ) ) ];
+    }
+
+    say $sparkline;
+}
+
+main(@ARGV);
\ No newline at end of file
diff --git a/challenge-179/sgreen/python/ch-1.py b/challenge-179/sgreen/python/ch-1.py
new file mode 100755
index 0000000000..9ff2f822a7
--- /dev/null
+++ b/challenge-179/sgreen/python/ch-1.py
@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+
+import sys
+
+
+def main(s):
+    n = int(s)
+    if n >= 10 ** 12:
+        raise ValueError('Number too large')
+
+    numbers = [None, 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'ten',
+               'eleven', 'twelve', 'thirteen', 'fourteen', 'fifteen', 'sixteen', 'seventeen', 'eighteen', 'nineteen']
+    tens = [None, None, 'twenty', 'thirty', 'fourty',
+            'fifty', 'sixty', 'seventy', 'eighty', 'ninety']
+    ordinal = [None, 'first', 'second', 'third', 'fourth', 'fifth', 'sixth', 'seventh', 'eighth', 'ninth', 'tenth',
+               'eleventh', 'twelfth', 'thirteenth', 'fourteenth', 'fifteenth', 'sixteenth', 'seventeenth', 'eighteenth', 'nineteenth']
+    thousands = [None, 'thousand', 'million', 'billion']
+
+    # Split the string into blocks of three
+    blocks = []
+    while len(s) > 3:
+        # Take off the last three numbers
+        blocks.append(int(s[-3:]))
+        s = s[:-3]
+    blocks.append(int(s))
+
+    words = []
+    for count, value in enumerate(blocks):
+        w = ''
+
+        # Maybe this block has no numbers
+        if value == 0:
+            continue
+
+        # Deal with the hundreds first
+        if value >= 100:
+            w = numbers[int(value/100)] + ' hundred'
+
+            if value % 100 == 0:
+                # Deal with numbers evenly divisable by 100
+                if count > 0:
+                    w += ' ' + thousands[count]
+                words.insert(0, w)
+                continue
+
+            w += ' and '
+            value = value % 100
+
+        # Then the tens
+        if value >= 20:
+            w += tens[int(value/10)] + ' '
+            value = value % 10
+            if value == 0 and count == 0:
+                # We need to add the ordinal word here
+                w = w[:-2] + 'ieth'
+
+        # And then the number
+        if value != 0:
+            t = ordinal if count == 0 else numbers
+            w += t[value]
+
+        # And maybe the thousandth word
+        if count > 0:
+            w += ' ' + thousands[count]
+
+        words.insert(0, str(w))
+
+    # Edge case, if the number is evenly divisible by 100, add 'th' to the last value
+    if int(n) % 100 == 0:
+        words[-1] += 'th'
+
+    # Print the ordinal number
+    print(*words, sep=' ')
+
+
+if __name__ == '__main__':
+    main(sys.argv[1])
diff --git a/challenge-179/sgreen/python/ch-2.py b/challenge-179/sgreen/python/ch-2.py
new file mode 100755
index 0000000000..7647b00b1e
--- /dev/null
+++ b/challenge-179/sgreen/python/ch-2.py
@@ -0,0 +1,20 @@
+#!/usr/bin/python3
+
+import sys
+
+
+def main(strings):
+    numbers = [float(x) for x in strings]
+    bar = '▁▂▃▄▅▆▇█'
+    barcount = len(bar)
+
+    mn, mx = min(numbers), max(numbers)
+    extent = mx - mn
+    sparkline = ''.join(bar[min([barcount - 1,
+                                int((n - mn) / extent * barcount)])]
+                        for n in numbers)
+    print(sparkline)
+
+
+if __name__ == '__main__':
+    main(sys.argv[1:])