Create find-resultant-array-after-removing-anagrams.py

Author: kamyu104

Python/find-resultant-array-after-removing-anagrams.py

@@ -0,0 +1,45 @@
+# Time:  O(n * l)
+# Space: O(1)
+
+import collections
+
+
+# freq table
+class Solution(object):
+    def removeAnagrams(self, words):
+        """
+        :type words: List[str]
+        :rtype: List[str]
+        """
+        result = []
+        prev = None
+        for x in words:
+            cnt = collections.Counter(x)
+            if prev and prev == cnt:
+                continue
+            prev = cnt
+            result.append(x)
+        return result
+
+
+# Time:  O(n * llogl)
+# Space: O(l)
+import collections
+
+
+# sort
+class Solution2(object):
+    def removeAnagrams(self, words):
+        """
+        :type words: List[str]
+        :rtype: List[str]
+        """
+        result = []
+        prev = None
+        for x in words:
+            s = sorted(x)
+            if prev and prev == s:
+                continue
+            prev = s
+            result.append(x)
+        return result