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@@ -16,19 +16,29 @@ Given an array of strings emails where we send one email to each emails[i], retu
 
 ## Example 1:
 Input: emails = ["test.email+alex@leetcode.com","test.e.mail+bob.cathy@leetcode.com","testemail+david@lee.tcode.com"]
+
 Output: 2
+
 Explanation: "testemail@leetcode.com" and "testemail@lee.tcode.com" actually receive mails.
 
 ## Example 2:
 Input: emails = ["a@leetcode.com","b@leetcode.com","c@leetcode.com"]
+
 Output: 3
 
 ## Constraints:
 1 <= emails.length <= 100
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 1 <= emails[i].length <= 100
+
 emails[i] consist of lowercase English letters, '+', '.' and '@'.
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 Each emails[i] contains exactly one '@' character.
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 All local and domain names are non-empty.
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 Local names do not start with a '+' character.
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 Domain names end with the ".com" suffix.
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 Domain names must contain at least one character before ".com" suffix.
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