From fd278fdfa80dffa36bf60e8ffdf71700def02625 Mon Sep 17 00:00:00 2001
From: Alexander Munch-Hansen <alexmunchhansen@gmail.com>
Date: Sun, 3 Dec 2017 14:52:42 +0100
Subject: [PATCH] Absolutely horrible solution

---
 spirallingdistance.rb | 92 ++++++++++++++++++++++++++++++++++++-------
 1 file changed, 78 insertions(+), 14 deletions(-)

diff --git a/spirallingdistance.rb b/spirallingdistance.rb
index d198059..7f9177c 100644
--- a/spirallingdistance.rb
+++ b/spirallingdistance.rb
@@ -3,22 +3,86 @@
 ###
 
 
-a = 325489
-b = a
-while Math.sqrt(b) % 2 != 1 do
-  b += 1
-end
-puts "Total: " + b.to_s
-side_length = Math.sqrt(b).ceil
-puts "Side length: " + side_length.to_s
-diff = b - a
-puts "Diff: " + diff.to_s
+input = 325489
 
-steps_req = diff % (side_length - 1)
-to_center = (side_length-1) / 2
-to_mid_of_row = ((side_length / 2) - steps_req).abs
-solution = to_center + to_mid_of_row
+side_length = Math.sqrt(input).ceil                     ## 571
+num_at_level = side_length**2                       ## 326041
+diff = num_at_level - input                             ## 552
+
+steps_req = diff % (side_length - 1)                ## 552
+to_center = (side_length-1) / 2                     ## 285
+to_mid_of_row = ((side_length / 2) - steps_req).abs ## 267
+solution = to_center + to_mid_of_row                ## 552
 puts "Pls correct yes: " + solution.to_s
 
 
+###
+# Part 2
+###
+# Fuck it, bruteforcing
 
+input = 325489
+
+def look_around(x,y,spiral)
+  result = 0
+  (y-1...y+2).each do |y_val|
+    (x-1...x+2).each do |x_val|
+      result += spiral[[x_val,y_val]]
+    end
+  end
+  result
+end
+
+def increment_spiral(x,y,spiral)
+  spiral[[x,y]] = look_around(x,y,spiral)
+end
+
+def pls(input)
+  result = 0
+  spiral = Hash.new 0
+  spiral[[0,0]],i,j = 1,0,0
+  inf = Float::INFINITY
+  (1..inf).step(2) do |s|
+    (0...s).each do
+      i+=1
+      spiral[[i,j]] = look_around(i,j,spiral)
+      if spiral[[i,j]] > input then
+        result = spiral[[i,j]]
+        puts result
+        break
+      end
+    end
+    if result != 0 then break end
+    (0...s).each do
+      j-=1
+      spiral[[i,j]] = look_around(i,j,spiral)
+      if spiral[[i,j]] > input then
+        result = spiral[[i,j]]
+        puts result
+        break
+      end
+    end
+    if result != 0 then break end
+    (0...(s+1)).each do
+      i-=1
+      spiral[[i,j]] = look_around(i,j,spiral)
+      if spiral[[i,j]] > input then
+        result = spiral[[i,j]]
+        puts result
+        break
+      end
+    end
+    if result != 0 then break end
+    (0...(s+1)).each do
+      j+=1
+      spiral[[i,j]] = look_around(i,j,spiral)
+      if spiral[[i,j]] > input then
+        result = spiral[[i,j]]
+        puts result
+        break
+      end
+    end
+    if result != 0 then break end
+  end
+end
+pls(325489)