From 7b4b3ba76ebf402a31db4d3132818a2e8b72d780 Mon Sep 17 00:00:00 2001
From: Anna Wiggins <annabunches@gmail.com>
Date: Fri, 1 Jul 2011 11:48:49 -0400
Subject: [PATCH] Fixed the one-node tree bug

---
 gamedata.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/gamedata.cpp b/gamedata.cpp
index 2038cf0..485fa62 100644
--- a/gamedata.cpp
+++ b/gamedata.cpp
@@ -125,8 +125,7 @@ float GameData::calculate_strength(Vertex* node)
     list<Vertex*> visited;
 
     // Special case - a one-node tree just returns its own score!
-    list<Vertex*> all_nodes = get_colour(node->colour);
-    if (all_nodes.size() == 1) return (float)node->score;
+    if (node->neighbors.empty()) return (float)node->score;
 
     return calculate_strength_r(node, 0, visited);
 }