feat: add minimal_even_element function to retrieve the smallest even element from an array

lab3_task1_funcation_block_arg/main.rb

@@ -37,6 +37,12 @@ def elements_between_first_and_last_max(array)
 end
   
 
+def minimal_even_element(array)
+    even_elements = array.select(&:even?)
+    even_elements.min
+end
+
+
 # Ex
 array = [5, 3, 8, 1, 7]
 puts "Indices in order of decreasing elements:"
@@ -48,4 +54,8 @@ puts elements_between_first_and_second_max(array).join(", ")
 
 array = [5, 1, 8, 3, 7, 8]
 puts "Elements between first and last maximum:"
-puts elements_between_first_and_last_max(array).join(", ")
+puts elements_between_first_and_last_max(array).join(", ")
+
+array = [5, 2, 8, 3, 7]
+puts "Minimal even element:"
+puts minimal_even_element(array)