4 files changed, 64 insertions, 0 deletions
diff --git a/challenge-217/lubos-kolouch/perl/ch-1.pl b/challenge-217/lubos-kolouch/perl/ch-1.pl
new file mode 100644
index 0000000000..0fae6d6897
--- /dev/null
+++ b/challenge-217/lubos-kolouch/perl/ch-1.pl
@@ -0,0 +1,18 @@
+use strict;
+use warnings;
+
+sub third_smallest {
+    my @matrix = @_;
+    my @flattened = map { @$_ } @matrix;
+    @flattened = sort { $a <=> $b } @flattened;
+    return $flattened[2];
+}
+
+my @matrix1 = ([3, 1, 2], [5, 2, 4], [0, 1, 3]);
+my @matrix2 = ([2, 1], [4, 5]);
+my @matrix3 = ([1, 0, 3], [0, 0, 0], [1, 2, 1]);
+
+print third_smallest(@matrix1), "\n";
+print third_smallest(@matrix2), "\n";
+print third_smallest(@matrix3), "\n";
+
diff --git a/challenge-217/lubos-kolouch/perl/ch-2.pl b/challenge-217/lubos-kolouch/perl/ch-2.pl
new file mode 100644
index 0000000000..63441a1796
--- /dev/null
+++ b/challenge-217/lubos-kolouch/perl/ch-2.pl
@@ -0,0 +1,15 @@
+use strict;
+use warnings;
+
+sub highest_value {
+    my @nums = @_;
+    @nums = sort { $b . $a cmp $a . $b } @nums;
+    return join '', @nums;
+}
+
+print highest_value(1, 23), "\n";
+print highest_value(10, 3, 2), "\n";
+print highest_value(31, 2, 4, 10), "\n";
+print highest_value(5, 11, 4, 1, 2), "\n";
+print highest_value(1, 10), "\n";
+
diff --git a/challenge-217/lubos-kolouch/python/ch-1.py b/challenge-217/lubos-kolouch/python/ch-1.py
new file mode 100644
index 0000000000..3dc8b355e2
--- /dev/null
+++ b/challenge-217/lubos-kolouch/python/ch-1.py
@@ -0,0 +1,16 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+def third_smallest(matrix):
+    flattened = [elem for sublist in matrix for elem in sublist]
+    flattened.sort()
+    return flattened[2]
+
+
+matrix1 = [[3, 1, 2], [5, 2, 4], [0, 1, 3]]
+matrix2 = [[2, 1], [4, 5]]
+matrix3 = [[1, 0, 3], [0, 0, 0], [1, 2, 1]]
+
+print(third_smallest(matrix1))
+print(third_smallest(matrix2))
+print(third_smallest(matrix3))
diff --git a/challenge-217/lubos-kolouch/python/ch-2.py b/challenge-217/lubos-kolouch/python/ch-2.py
new file mode 100644
index 0000000000..d1ae89e84d
--- /dev/null
+++ b/challenge-217/lubos-kolouch/python/ch-2.py
@@ -0,0 +1,15 @@
+from functools import cmp_to_key
+
+
+def highest_value(nums):
+    nums = map(str, nums)  # convert numbers to strings
+    result = ''.join(sorted(nums, key=cmp_to_key(
+        lambda x, y: 1 if y+x > x+y else -1)))
+    return int(result)
+
+
+print(highest_value([1, 23]))
+print(highest_value([10, 3, 2]))
+print(highest_value([31, 2, 4, 10]))
+print(highest_value([5, 11, 4, 1, 2]))
+print(highest_value([1, 10]))