From 1477ceced45cc149574ff04f08f00f69e49117d0 Mon Sep 17 00:00:00 2001
From: cathos <cathos@startmail.com>
Date: Thu, 19 Jan 2023 22:55:53 -0800
Subject: [PATCH 1/2] passed tests

---
 graphs/possible_bipartition.py | 44 +++++++++++++++++++++++++++++++++-
 requirements.txt               | 16 ++++++-------
 2 files changed, 51 insertions(+), 9 deletions(-)

diff --git a/graphs/possible_bipartition.py b/graphs/possible_bipartition.py
index ca55677..f9403de 100644
--- a/graphs/possible_bipartition.py
+++ b/graphs/possible_bipartition.py
@@ -8,5 +8,47 @@ def possible_bipartition(dislikes):
         Time Complexity: ?
         Space Complexity: ?
     """
-    pass
+
+    if not dislikes:
+        return True
+
+    first_dog = list(dislikes.keys())[0]
+
+    q = deque([first_dog])
+    v = []
+    safe_rooms = {}
+    for key in dislikes.keys():
+        safe_rooms[key] = 0
+
+    safe_rooms[first_dog] = 1
+
+    for dog in dislikes:
+        while q:
+            current = q.popleft()
+            v.append(current)
+            if dislikes[current]:
+                for rival in dislikes[current]:
+                    if safe_rooms[rival] == 0:
+                        safe_rooms[rival] = safe_rooms[current] + 1
+                        q.append(rival)
+                    else:
+                        if safe_rooms[rival] == safe_rooms[current]:
+                            return False
+        if dog not in v:
+            q.append(dog)
+
+    return True
+
+
+dislikes = {
+    "Fido": ["Alfie", "Bruno"],
+    "Rufus": ["James", "Scruffy"],
+    "James": ["Rufus", "Alfie"],
+    "Alfie": ["Fido", "James", "T-Bone"],
+    "T-Bone": ["Alfie", "Scruffy"],
+    "Scruffy": ["Rufus", "T-Bone"],
+    "Bruno": ["Fido"]
+}
+
+possible_bipartition(dislikes)
 
diff --git a/requirements.txt b/requirements.txt
index 77ffa3f..fd9117f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,8 @@
-attrs==20.3.0
-iniconfig==1.1.1
-packaging==20.8
-pluggy==0.13.1
-py==1.10.0
-pyparsing==2.4.7
-pytest==6.2.1
-toml==0.10.2
+attrs
+iniconfiG
+packaging
+pluggy
+py
+pyparsing
+pytest
+toml

From c59134c32e0d2ea3a5106417238ea3c075e2cc5e Mon Sep 17 00:00:00 2001
From: cathos <cathos@startmail.com>
Date: Thu, 19 Jan 2023 23:07:14 -0800
Subject: [PATCH 2/2] minor changes

---
 graphs/possible_bipartition.py | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/graphs/possible_bipartition.py b/graphs/possible_bipartition.py
index f9403de..40ae503 100644
--- a/graphs/possible_bipartition.py
+++ b/graphs/possible_bipartition.py
@@ -38,17 +38,3 @@ def possible_bipartition(dislikes):
             q.append(dog)
 
     return True
-
-
-dislikes = {
-    "Fido": ["Alfie", "Bruno"],
-    "Rufus": ["James", "Scruffy"],
-    "James": ["Rufus", "Alfie"],
-    "Alfie": ["Fido", "James", "T-Bone"],
-    "T-Bone": ["Alfie", "Scruffy"],
-    "Scruffy": ["Rufus", "T-Bone"],
-    "Bruno": ["Fido"]
-}
-
-possible_bipartition(dislikes)
-