From 640038d8628b0e8dd7bb978b98d6ccfae4e3b0c2 Mon Sep 17 00:00:00 2001
From: verasazonova <vera.zhokhova@gmail.com>
Date: Mon, 26 Dec 2022 16:18:25 -0800
Subject: [PATCH] VeraSa C17

---
 graphs/possible_bipartition.py | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/graphs/possible_bipartition.py b/graphs/possible_bipartition.py
index ca55677..6254947 100644
--- a/graphs/possible_bipartition.py
+++ b/graphs/possible_bipartition.py
@@ -8,5 +8,35 @@ def possible_bipartition(dislikes):
         Time Complexity: ?
         Space Complexity: ?
     """
-    pass
+
+    if dislikes == None:
+        return True
+
+    color = {}
+
+    for dog in dislikes:
+        if dog in color:
+            continue
+
+        q = deque()
+        q.append(dog)
+        color[dog] = 0
+
+        while (len(q) > 0):
+            dog = q.pop()
+            current_color = color[dog]
+            fight_set = dislikes[dog]
+            for fight_dog in fight_set:
+                if fight_dog in color:
+                    if color[fight_dog] == current_color:
+                        return False
+                else:
+                    if current_color == 0:
+                        next_color = 1
+                    else:
+                        next_color = 0
+                    color[fight_dog] = next_color
+                    q.append(fight_dog)
+    return True
+