1 files changed, 68 insertions, 0 deletions
diff --git a/2024/07b/run.rb b/2024/07b/run.rb
new file mode 100755
index 0000000..7477947
--- /dev/null
+++ b/2024/07b/run.rb
@@ -0,0 +1,68 @@
+#!/usr/bin/env ruby
+
+require 'pry'
+
+data = File.read("data.txt")
+
+OPERATIONS = %i(+ * ||)
+
+def test_combinations(test_value, vals)
+  test_results = [vals.shift]
+  all_vals_results = []
+
+  vals.each_with_index do |value, index|
+    previous_results = test_results.clone
+    test_results = []
+
+    previous_results.each_with_index do |start_value|
+      OPERATIONS.each do |operation|
+        if(operation == :"||")
+          test_result = (start_value.to_s + vals[index].to_s).to_i
+        else
+          test_result = start_value.public_send(operation, value)
+        end
+
+        if test_result <= test_value && test_result > 0 
+          test_results << test_result
+        end
+
+        if index +1  == vals.size
+          all_vals_results << test_result
+        end
+      end
+
+    end
+  end
+
+        #binding.pry if test_value == 3554112
+
+
+        all_vals_results.any? { |v| v == test_value }
+
+end
+
+result = data.split("\n").map do |row|
+  vals = row.split ": "
+  test_value = vals.shift.to_i
+  vals = vals[0].split(" ").map(&:to_i)
+
+  #if vals.sum < test_value
+  #  0
+  #elsif vals.inject(&:*) > test_value
+  #  0
+  #elsif vals.sum == test_value
+  #  test_value
+  #elsif vals.inject(&:*) == test_value
+  ##  test_value
+  #else
+    if test_combinations(test_value, vals) 
+      test_value
+    else
+      0
+    end
+  #end
+end
+
+p result
+p result.sum
+