Update 820.short-encoding-of-words.md

azl397985856 · web-flow · commit 31c2216fbd6d · 2020-06-17T13:39:58.000+08:00
diff --git a/problems/820.short-encoding-of-words.md b/problems/820.short-encoding-of-words.md
@@ -101,8 +101,8 @@ class Trie:
         curr = self.Trie
         for w in word:
             curr = curr[w]
-        # we meet '#'
-        return len(curr) == 1
+        # len(curr) == 1 means we meet '#'
+        return len(curr) == 1 
 class Solution:
     def minimumLengthEncoding(self, words: List[str]) -> int:
         trie = Trie()
