Added space complexity

jsca-kwok · web-flow · commit d4b1efef5ab8 · 2021-07-02T13:54:01.000-07:00
diff --git a/data_structures/hash_table/isomorphic_strings.rb b/data_structures/hash_table/isomorphic_strings.rb
@@ -24,6 +24,7 @@
 
 # Approach 1: Hash Map
 # Time Complexity: O(N)
+# Space Complexity: O(N)
 
 def isomorphic_strings_check(s, t)
   # store character mappings
@@ -60,4 +61,4 @@ def isomorphic_strings_check(s, t)
 # => false
 
 puts isomorphic_strings_check("paper", "title")
-# => true
+# => true
