From 1836e5f8215f612b783544e131eed8e55930ec60 Mon Sep 17 00:00:00 2001
From: BHARAT0310 <55924751+BHARAT0310@users.noreply.github.com>
Date: Tue, 12 Apr 2022 15:07:32 +0530
Subject: [PATCH] Update 49-Group-Anagrams.py
Run time and Memory usage of the above solution is.
R.T = 140ms
M.U = 18.4MB
---
49-Group-Anagrams.py | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/49-Group-Anagrams.py b/49-Group-Anagrams.py
index a52b995a2..fe78b51f1 100644
--- a/49-Group-Anagrams.py
+++ b/49-Group-Anagrams.py
@@ -1,10 +1,7 @@
class Solution:
def groupAnagrams(self, strs: List[str]) -> List[List[str]]:
- ans = collections.defaultdict(list)
-
+ hashmap = defaultdict(list)
for s in strs:
- count = [0] * 26
- for c in s:
- count[ord(c) - ord('a')] += 1
- ans[tuple(count)].append(s)
- return ans.values()
+ # keys can be strings, bcz they are immutable.
+ hashmap[str(sorted(s))].append(s)
+ return hashmap.values()
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