Merge pull request #13069 from simongreen-net/master

sgreen solutions to challenge 348

7 files changed, 180 insertions, 2 deletions

diff --git a/challenge-348/sgreen/README.md b/challenge-348/sgreen/README.md
index ee0870fa09..bee5ff287a 100644
--- a/challenge-348/sgreen/README.md
+++ b/challenge-348/sgreen/README.md
@@ -1,3 +1,3 @@
-# The Weekly Challenge 347
+# The Weekly Challenge 348
 
-Blog: [The one about formatting](https://dev.to/simongreennet/weekly-challenge-the-one-about-formatting-kfp)
+Blog: [Alike Time](https://dev.to/simongreennet/the-weekly-challenge-alike-time-41oe)
diff --git a/challenge-348/sgreen/blog.txt b/challenge-348/sgreen/blog.txt
new file mode 100644
index 0000000000..a15163b48d
--- /dev/null
+++ b/challenge-348/sgreen/blog.txt
@@ -0,0 +1 @@
+https://dev.to/simongreennet/the-weekly-challenge-alike-time-41oe
\ No newline at end of file
diff --git a/challenge-348/sgreen/perl/ch-1.pl b/challenge-348/sgreen/perl/ch-1.pl
new file mode 100755
index 0000000000..a31fd53d87
--- /dev/null
+++ b/challenge-348/sgreen/perl/ch-1.pl
@@ -0,0 +1,32 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+use feature 'say';
+use experimental 'signatures';
+
+sub count_vowels ($s) {
+    return $s =~ tr/aeiouAEIOU/aeiouAEIOU/;
+}
+
+sub string_alike ($input_string) {
+    # Ensure the input string is of even length
+    die "Input string must have an even length."
+      if length($input_string) % 2 == 1;
+
+    # If there are no vowels at all, return False
+    if ( count_vowels($input_string) == 0 ) {
+        say "False";
+        return;
+    }
+
+    # Split the string into two halves, and count vowels in each half
+    my $mid         = length($input_string) / 2;
+    my $first_half  = substr( $input_string, 0, $mid );
+    my $second_half = substr( $input_string, $mid );
+    say count_vowels($first_half) == count_vowels($second_half)
+      ? "True"
+      : "False";
+}
+
+string_alike( $ARGV[0] );
diff --git a/challenge-348/sgreen/perl/ch-2.pl b/challenge-348/sgreen/perl/ch-2.pl
new file mode 100755
index 0000000000..c524aa2300
--- /dev/null
+++ b/challenge-348/sgreen/perl/ch-2.pl
@@ -0,0 +1,45 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+use feature 'say';
+use experimental 'signatures';
+
+sub time_to_minute ($s) {
+    if ( $s !~ /^\d{1,2}:\d{2}$/ ) {
+        die "Invalid time format, should be HH:MM\n";
+    }
+
+    my ( $hour, $minute ) = split /:/, $s;
+    if ( $hour < 0 || $hour > 23 || $minute < 0 || $minute > 59 ) {
+        die "Invalid time value.\n";
+    }
+
+    return $hour * 60 + $minute;
+}
+
+sub main ( $source, $target ) {
+    # Convert the time to minutes past midnight, and calculate the minutes
+    #  between them
+    my $duration = time_to_minute($target) - time_to_minute($source);
+    if ( $duration < 0 ) {
+        # Adjust for next day
+        $duration += 24 * 60;
+    }
+
+    # Possible increments in minutes
+    my @moves = ( 60, 15, 5, 1 );
+    my $count = 0;
+
+    foreach my $move (@moves) {
+        # Use as many of this move as possible
+        $count += int( $duration / $move );
+
+        # The remaining minutes
+        $duration = $duration % $move;
+    }
+
+    say $count;
+}
+
+main( $ARGV[0], $ARGV[1] );
diff --git a/challenge-348/sgreen/python/ch-1.py b/challenge-348/sgreen/python/ch-1.py
new file mode 100755
index 0000000000..dcc826b062
--- /dev/null
+++ b/challenge-348/sgreen/python/ch-1.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+
+import sys
+
+
+def count_vowels(s: str) -> int:
+    vowels = 'aeiouAEIOU'
+    return sum(1 for char in s if char in vowels)
+
+def string_alike(input_string: str) -> bool:
+    # Ensure the input string is of even length
+    if len(input_string) % 2 == 1:
+        raise ValueError("Input string must have an even length.")
+
+    if count_vowels(input_string) == 0:
+        return False
+
+    # Split the string into two halves, and count vowels in each half
+    first_half = input_string[:len(input_string)//2]
+    second_half = input_string[len(input_string)//2:]
+    return count_vowels(first_half) == count_vowels(second_half)
+
+def main():
+    result = string_alike(sys.argv[1])
+    print(result)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/challenge-348/sgreen/python/ch-2.py b/challenge-348/sgreen/python/ch-2.py
new file mode 100755
index 0000000000..8c92aae94e
--- /dev/null
+++ b/challenge-348/sgreen/python/ch-2.py
@@ -0,0 +1,46 @@
+#!/usr/bin/env python3
+
+import re
+import sys
+
+def time_to_minute(s: str) -> int:
+    if not re.match(r'^\d{1,2}:\d{2}$', s):
+        raise ValueError("Invalid time format, should be HH:MM")
+
+    hour, minute = map(int, s.split(':'))
+
+    if hour < 0 or hour > 23 or minute < 0 or minute > 59:
+        raise ValueError("Invalid time format")
+
+    return hour * 60 + minute
+
+
+def convert_time(source: str, target: str) -> int:
+    # Convert the time to minutes past midnight, and calculate the minutes
+    #  between them
+    duration = time_to_minute(target) - time_to_minute(source)
+    if duration < 0:
+        # Adjust for next day
+        duration += 24 * 60
+
+    # Possible increments in minutes
+    moves = [60, 15, 5, 1]
+    count = 0
+
+    for move in moves:
+        # Use as many of this move as possible
+        count += duration // move
+
+        # The remaining minutes
+        duration %= move
+
+    return count
+
+
+def main():
+    result = convert_time(sys.argv[1], sys.argv[2])
+    print(result)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/challenge-348/sgreen/python/test.py b/challenge-348/sgreen/python/test.py
new file mode 100755
index 0000000000..4a154e489d
--- /dev/null
+++ b/challenge-348/sgreen/python/test.py
@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+
+import unittest
+ch_1 = __import__('ch-1')
+ch_2 = __import__('ch-2')
+
+
+class TestClass(unittest.TestCase):
+    def test_ch_1(self):
+        self.assertFalse(ch_1.string_alike("textbook"))
+        self.assertTrue(ch_1.string_alike("book"))
+        self.assertTrue(ch_1.string_alike("AbCdEfGh"))
+        self.assertFalse(ch_1.string_alike("rhythmmyth"))
+        self.assertFalse(ch_1.string_alike("UmpireeAudio"))
+
+    def test_ch_2(self):
+        self.assertEqual(ch_2.convert_time("02:30", "02:45"), 1)
+        self.assertEqual(ch_2.convert_time("11:55", "12:15"), 2)
+        self.assertEqual(ch_2.convert_time("09:00", "13:00"), 4)
+        self.assertEqual(ch_2.convert_time("23:45", "00:30"), 3)
+        self.assertEqual(ch_2.convert_time("14:20", "15:25"), 2)
+
+
+if __name__ == '__main__':
+    unittest.main()