feat(challenge-187/lubos-kolouch/perl,python/): Challenge 187 LK Perl Python

4 files changed, 91 insertions, 0 deletions

diff --git a/challenge-187/lubos-kolouch/perl/ch-1.pl b/challenge-187/lubos-kolouch/perl/ch-1.pl
new file mode 100644
index 0000000000..49860b7ac3
--- /dev/null
+++ b/challenge-187/lubos-kolouch/perl/ch-1.pl
@@ -0,0 +1,30 @@
+use strict;
+use warnings;
+use DateTime::Format::Strptime;
+
+sub days_together {
+    my ( $foo_start, $foo_end, $bar_start, $bar_end ) = @_;
+
+    my $strp = DateTime::Format::Strptime->new(
+        pattern  => '%d-%m',
+        on_error => 'croak',
+    );
+
+    my $foo_start_date = $strp->parse_datetime($foo_start);
+    my $foo_end_date   = $strp->parse_datetime($foo_end);
+    my $bar_start_date = $strp->parse_datetime($bar_start);
+    my $bar_end_date   = $strp->parse_datetime($bar_end);
+
+    my $start =
+      $foo_start_date > $bar_start_date ? $foo_start_date : $bar_start_date;
+    my $end = $foo_end_date < $bar_end_date ? $foo_end_date : $bar_end_date;
+
+    my $overlap = $end->delta_days($start)->in_units('days') + 1;
+
+    return $overlap > 0 ? $overlap : 0;
+}
+
+print days_together( '12-01', '20-01', '15-01', '18-01' ), "\n";    # Output: 4
+print days_together( '02-03', '12-03', '13-03', '14-03' ), "\n";    # Output: 0
+print days_together( '02-03', '12-03', '11-03', '15-03' ), "\n";    # Output: 2
+print days_together( '30-03', '05-04', '28-03', '02-04' ), "\n";    # Output: 4
diff --git a/challenge-187/lubos-kolouch/perl/ch-2.pl b/challenge-187/lubos-kolouch/perl/ch-2.pl
new file mode 100644
index 0000000000..1b46a1e0e5
--- /dev/null
+++ b/challenge-187/lubos-kolouch/perl/ch-2.pl
@@ -0,0 +1,18 @@
+use strict;
+use warnings;
+
+sub find_triplet {
+    my @arr = @_;
+    @arr = sort { $b <=> $a } @arr;
+    for my $i ( 0 .. $#arr - 2 ) {
+        if ( $arr[$i] < $arr[ $i + 1 ] + $arr[ $i + 2 ] ) {
+            return ( $arr[$i], $arr[ $i + 1 ], $arr[ $i + 2 ] );
+        }
+    }
+    return ();
+}
+
+print join( ", ", find_triplet( 1, 2, 3, 2 ) ), "\n";    # Output: 3, 2, 2
+print join( ", ", find_triplet( 1, 3, 2 ) ),    "\n";    # Output:
+print join( ", ", find_triplet( 1, 1, 2, 3 ) ), "\n";    # Output:
+print join( ", ", find_triplet( 2, 4, 3 ) ),    "\n";    # Output: 4, 3, 2
diff --git a/challenge-187/lubos-kolouch/python/ch-1.py b/challenge-187/lubos-kolouch/python/ch-1.py
new file mode 100644
index 0000000000..a5a7f36de4
--- /dev/null
+++ b/challenge-187/lubos-kolouch/python/ch-1.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from datetime import datetime
+
+
+def days_together(foo_start, foo_end, bar_start, bar_end):
+    # Convert strings to datetime objects
+    foo_start_date = datetime.strptime(foo_start, "%d-%m")
+    foo_end_date = datetime.strptime(foo_end, "%d-%m")
+    bar_start_date = datetime.strptime(bar_start, "%d-%m")
+    bar_end_date = datetime.strptime(bar_end, "%d-%m")
+
+    # Calculate the overlapping dates
+    start = max(foo_start_date, bar_start_date)
+    end = min(foo_end_date, bar_end_date)
+
+    # Calculate the number of overlapping days
+    overlapping_days = (end - start).days + 1
+
+    return max(0, overlapping_days)  # Return 0 if dates do not overlap
+
+
+print(days_together("12-01", "20-01", "15-01", "18-01"))  # Output: 4
+print(days_together("02-03", "12-03", "13-03", "14-03"))  # Output: 0
+print(days_together("02-03", "12-03", "11-03", "15-03"))  # Output: 2
+print(days_together("30-03", "05-04", "28-03", "02-04"))  # Output: 4
diff --git a/challenge-187/lubos-kolouch/python/ch-2.py b/challenge-187/lubos-kolouch/python/ch-2.py
new file mode 100644
index 0000000000..1219271b38
--- /dev/null
+++ b/challenge-187/lubos-kolouch/python/ch-2.py
@@ -0,0 +1,16 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+
+def find_triplet(arr):
+    arr.sort(reverse=True)
+    for i in range(len(arr) - 2):
+        if arr[i] < arr[i + 1] + arr[i + 2]:
+            return (arr[i], arr[i + 1], arr[i + 2])
+    return ()
+
+
+print(find_triplet([1, 2, 3, 2]))  # Output: (3, 2, 2)
+print(find_triplet([1, 3, 2]))  # Output: ()
+print(find_triplet([1, 1, 2, 3]))  # Output: ()
+print(find_triplet([2, 4, 3]))  # Output: (4, 3, 2)