Add more problems

Author: deepakhb2

Problems/first_non_repeating_integer.rb

@@ -0,0 +1,17 @@
+arr = [1, 4, 5, 6, 5, 2, 3, 3, 2, 1]
+
+num_count = {}
+arr.each do |num|
+  if(num_count[num])
+    num_count[num] = num_count[num] + 1
+  else
+    num_count[num] = 1
+  end
+end
+
+num_count.each do |num, count|
+  if(count == 1)
+    p num
+    break
+  end
+end

Problems/second_max_value.rb

@@ -0,0 +1,13 @@
+arr = [1, 4, 5, 8, 6, 2, 3, 3, 2, 1]
+
+first = 0
+second = 0
+arr.each do |num|
+  if(num > first)
+    second = first
+    first = num
+  elsif(num < first && num > second)
+    second = num
+  end
+end
+p second