Blog 207

2 files changed, 122 insertions, 0 deletions

diff --git a/challenge-006/lubos-kolouch/perl/ch-1.pl b/challenge-006/lubos-kolouch/perl/ch-1.pl
new file mode 100644
index 0000000000..03722cf548
--- /dev/null
+++ b/challenge-006/lubos-kolouch/perl/ch-1.pl
@@ -0,0 +1,72 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+=head1 DESCRIPTION
+
+This script takes a list of numbers from command line and print the same in the compact form.
+
+For example, if you pass “1,2,3,4,9,10,14,15,16” then it should print the compact form like “1-4,9,10,14-16”. 
+
+=cut
+
+# Get the list of numbers from command line
+my @numbers = @ARGV;
+
+# Sort the list of numbers in ascending order
+@numbers = sort { $a <=> $b } @numbers;
+
+# Initializing variables
+my @compact_list;
+my $first_num = $numbers[0];
+my $last_num  = $numbers[0];
+
+# Generate the compact list
+foreach my $num (@numbers) {
+    if ( $num == $last_num + 1 ) {
+
+        # If the current number is 1 more than the last number,
+        # update the last number
+        $last_num = $num;
+    }
+    else {
+        # If the current number is not 1 more than the last number,
+        # add the range of numbers to the compact list
+        if ( $first_num == $last_num ) {
+            push @compact_list, $first_num;
+        }
+        else {
+            push @compact_list, "$first_num-$last_num";
+        }
+
+        # Reset the variables
+        $first_num = $num;
+        $last_num  = $num;
+    }
+}
+
+# Add the last range of numbers to the compact list
+if ( $first_num == $last_num ) {
+    push @compact_list, $first_num;
+}
+else {
+    push @compact_list, "$first_num-$last_num";
+}
+
+# Print the compact list
+print join( ',', @compact_list );
+
+=head1 TESTING
+
+=over 4
+
+=item *
+
+Input: 1,2,3,4,9,10,14,15,16
+
+Expected Output: 1-4,9,10,14-16
+
+=back
+
+=cut
diff --git a/challenge-006/lubos-kolouch/python/ch-1.py b/challenge-006/lubos-kolouch/python/ch-1.py
new file mode 100644
index 0000000000..24f6e3d0e0
--- /dev/null
+++ b/challenge-006/lubos-kolouch/python/ch-1.py
@@ -0,0 +1,50 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+This script takes a list of numbers from command line and prints them in the compact form.
+
+Example:
+    Input: 1,2,3,4,9,10,14,15,16
+    Output: 1-4,9,10,14-16
+"""
+
+import sys
+
+
+def CompactList(numbers):
+    """This function takes a list of numbers as input and returns the list in compact form.
+
+    Args:
+        numbers (list): A list of numbers
+
+    Returns:
+        str: The list in compact form
+
+    Examples:
+        >>> CompactList([1,2,3,4,9,10,14,15,16])
+        '1-4,9,10,14-16'
+    """
+    compact_list = []
+    start = numbers[0]
+    end = numbers[0]
+    for i in range(1, len(numbers)):
+        if numbers[i] - numbers[i - 1] == 1:
+            end = numbers[i]
+        else:
+            if start == end:
+                compact_list.append(str(start))
+            else:
+                compact_list.append(str(start) + "-" + str(end))
+            start = numbers[i]
+            end = numbers[i]
+    if start == end:
+        compact_list.append(str(start))
+    else:
+        compact_list.append(str(start) + "-" + str(end))
+    return ",".join(compact_list)
+
+
+if __name__ == "__main__":
+    numbers = [int(i) for i in sys.argv[1].split(",")]
+    print(CompactList(numbers))