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    <title>沈長緣 - leetcode</title>
    <link>https://good.myds.me/forum.php?mod=forumdisplay&amp;fid=69</link>
    <description>Latest 20 threads of leetcode</description>
    <copyright>Copyright(C) 沈長緣</copyright>
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    <lastBuildDate>Tue, 06 Oct 2026 04:57:10 +0000</lastBuildDate>
    <ttl>60</ttl>
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      <title>沈長緣</title>
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    <item>
      <title>2. Add Two Numbers</title>
      <link>https://good.myds.me/forum.php?mod=viewthread&amp;tid=1299</link>
      <description><![CDATA[class Solution:
    def addTwoNumbers(self, l1: Optional[ListNode], l2: Optional[ListNode]) -&gt; Optional[ListNode]:
        count=0
        str1=\'\'
        str2=\'\'
        a=l1
        b=l2
        while a:
            str1+=str(a.val)
]]></description>
      <category>leetcode</category>
      <author>issac</author>
      <pubDate>Sun, 04 Jan 2026 15:25:51 +0000</pubDate>
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