From 386361564bc525eb53c335a66d5cc99e11e4b6b7 Mon Sep 17 00:00:00 2001
From: Artem Darius Weber <mit.3tlasa@gmail.com>
Date: Sat, 2 Nov 2024 10:39:05 +0300
Subject: [PATCH] Implement methods to find minimum, first positive index, and
 first positive element with for and while loops

---
 lab1/src/05_number_items_operations.rb | 68 ++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 lab1/src/05_number_items_operations.rb

diff --git a/lab1/src/05_number_items_operations.rb b/lab1/src/05_number_items_operations.rb
new file mode 100644
index 0000000..4308a4f
--- /dev/null
+++ b/lab1/src/05_number_items_operations.rb
@@ -0,0 +1,68 @@
+
+
+def find_min_element_for(arr)
+    min_element = arr[0]
+    for element in arr
+        min_element = element if element < min_element
+    end
+    min_element
+end
+
+
+def find_min_element_while(arr)
+    min_element = arr[0]
+    index = 0
+    while index < arr.size
+        min_element = arr[index] if arr[index] < min_element
+        index += 1
+    end
+    min_element
+end
+
+
+def find_first_positive_index_for(arr)
+    for index in 0...arr.size
+        return index if arr[index] > 0
+    end
+    nil
+end
+
+
+def find_first_positive_index_while(arr)
+    index = 0
+    while index < arr.size
+        return index if arr[index] > 0
+        index += 1
+    end
+    nil
+end
+
+
+def find_first_positive_for(arr)
+    for element in arr
+        return element if element > 0
+    end
+    nil
+end
+
+
+def find_first_positive_while(arr)
+    index = 0
+    while index < arr.size
+        return arr[index] if arr[index] > 0
+        index += 1
+    end
+    nil
+end
+
+# INPUT
+array = [-10, -5, 0, 3, 5, -2]
+
+puts "Минимальный элемент (for): #{find_min_element_for(array)}"
+puts "Минимальный элемент (while): #{find_min_element_while(array)}"
+
+puts "Индекс первого положительного элемента (for): #{find_first_positive_index_for(array)}"
+puts "Индекс первого положительного элемента (while): #{find_first_positive_index_while(array)}"
+
+puts "Первый положительный элемент (for): #{find_first_positive_for(array)}"
+puts "Первый положительный элемент (while): #{find_first_positive_while(array)}"