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From: Daily Coding Problem <founders@dailycodingproblem.com>
To: lewisjohnson1066334@gmail.com
Subject: Daily Coding Problem: Problem #159 [Easy] 
Message-ID: <01000173a596e72d-84a43ba4-fecb-42ef-8d8f-82a3cbb121c7-000000@us-east-1.amazonses.com>
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----_NmP-ee9c6a006674fced-Part_1
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Good morning! Here's your coding interview problem for today.

This problem was asked by Google.

Given a string, return the first =
recurring character in it, or null if there is
no recurring character.

For example, given the string "acbbac", return "b". Given the string =
"abcdef",
return null.


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<p style=3D"margin-top: 0; color: #555; font-size: 16px; =
line-height: 1.5em; text-align: left; font-family: Arial, 'Helvetica Neue',=
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<p style=3D"margin-top: 0; color: #555; font-size: 16px; =
line-height: 1.5em; text-align: left; font-family: Arial, 'Helvetica Neue',=
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 first recurring character in it, or null if there is no recurring =
character.</p>
<p style=3D"margin-top: 0; color: #555; font-size: 16px; =
line-height: 1.5em; text-align: left; font-family: Arial, 'Helvetica Neue',=
 Helvetica, sans-serif; box-sizing: border-box;">For example, given the =
string &quot;acbbac&quot;, return &quot;b&quot;. Given the string =
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