From ec6c118adc36ccaa44f84bdcbef209aacb096b76 Mon Sep 17 00:00:00 2001
From: Madeline <40412372+made-line@users.noreply.github.com>
Date: Tue, 15 Sep 2020 18:50:02 -0700
Subject: [PATCH] Update binary_to_decimal.rb

---
 lib/binary_to_decimal.rb | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/lib/binary_to_decimal.rb b/lib/binary_to_decimal.rb
index 439e8c6..350cc1f 100644
--- a/lib/binary_to_decimal.rb
+++ b/lib/binary_to_decimal.rb
@@ -4,6 +4,19 @@
 # The least significant bit is at index 7.
 # Calculate  and return the decimal value for this binary number using
 # the algorithm you devised in class.
+binary_array = []
+
+8.times {binary_array << rand(0..1)}
+
 def binary_to_decimal(binary_array)
-  raise NotImplementedError
+  sum = 0
+  binary_array.each_with_index do |binary, index|
+    exponent = binary_array.length - 1 - index
+    value = binary * 2 ** exponent
+    sum += value
+  end
+  # raise NotImplementedError
+  return sum
 end
+
+print binary_to_decimal(binary_array)