{"id":537,"date":"2020-09-26T10:53:20","date_gmt":"2020-09-26T02:53:20","guid":{"rendered":"http:\/\/39.96.58.60\/?p=537"},"modified":"2022-10-18T16:38:55","modified_gmt":"2022-10-18T08:38:55","slug":"leetcode-21-%e5%90%88%e5%b9%b6%e4%b8%a4%e4%b8%aa%e6%9c%89%e5%ba%8f%e9%93%be%e8%a1%a8","status":"publish","type":"post","link":"http:\/\/www.yatenglg.cn\/blog\/?p=537","title":{"rendered":"Leetcode 21. \u5408\u5e76\u4e24\u4e2a\u6709\u5e8f\u94fe\u8868"},"content":{"rendered":"<p>\u5c06\u4e24\u4e2a\u5347\u5e8f\u94fe\u8868\u5408\u5e76\u4e3a\u4e00\u4e2a\u65b0\u7684 <strong>\u5347\u5e8f<\/strong> \u94fe\u8868\u5e76\u8fd4\u56de\u3002\u65b0\u94fe\u8868\u662f\u901a\u8fc7\u62fc\u63a5\u7ed9\u5b9a\u7684\u4e24\u4e2a\u94fe\u8868\u7684\u6240\u6709\u8282\u70b9\u7ec4\u6210\u7684\u3002&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre><strong>\u8f93\u5165\uff1a<\/strong>1-&gt;2-&gt;4, 1-&gt;3-&gt;4\n\n<strong>\u8f93\u51fa\uff1a<\/strong>1-&gt;1-&gt;2-&gt;3-&gt;4-&gt;4\n\n<\/pre>\n<p>**\u96be\u5ea6**: Easy<\/p>\n<p>**\u6807\u7b7e**: \u94fe\u8868\u3001<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism undefined-numbers lang-python\" data-lang=\"Python\"><code>\n# -*- coding: utf-8 -*-\n# @Author  : LG\n\n\"\"\"\n\u6267\u884c\u7528\u65f6\uff1a48 ms, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e8664.00% \u7684\u7528\u6237\n\u5185\u5b58\u6d88\u8017\uff1a13.6 MB, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e8681.91% \u7684\u7528\u6237\n\n\u89e3\u9898\u601d\u8def\uff1a\n    \u5efa\u4e00\u4e2a\u65b0\u94fe\u7528\u4e8e\u5b58\u653e\u94fe\u63a5\u540e\u7684\u94fe\u8868\uff0c\u4f9d\u6b21\u6bd4\u8f83\u4e24\u4e2a\u5217\u8868\u3002\n\"\"\"\n# Definition for singly-linked list.\n# class ListNode:\n#     def __init__(self, val=0, next=None):\n#         self.val = val\n#         self.next = next\nclass Solution:\n    def mergeTwoLists(self, l1: ListNode, l2: ListNode) -&gt; ListNode:\n        record = ListNode(0)\n        new = record\n        while l1 and l2:    # \u4fe9\u4e2a\u5217\u8868\u5747\u4e0d\u4e3a\u7a7a\u65f6,\u4f9d\u6b21\u6bd4\u8f83\u4e24\u4e2a\u5217\u8868\n            if l1.val &lt;= l2.val:\n                new.next = l1\n                l1 = l1.next\n            else:\n                new.next = l2\n                l2 = l2.next\n            new = new.next\n\n        if l1:              # \u5982\u679cl1\u5269\u4e0b\u7684\u5217\u8868\u975e\u7a7a\uff0c\u5219\u76f4\u63a5\u52a0\u5165\u65b0\u5217\u8868\u4e2d\n            new.next = l1\n\n        if l2:\n            new.next = l2\n\n\n        return record.next\n<\/code><\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5c06\u4e24\u4e2a\u5347\u5e8f\u94fe\u8868\u5408\u5e76\u4e3a\u4e00\u4e2a\u65b0\u7684 \u5347\u5e8f \u94fe\u8868\u5e76\u8fd4\u56de\u3002\u65b0\u94fe\u8868\u662f\u901a\u8fc7\u62fc\u63a5\u7ed9\u5b9a\u7684\u4e24\u4e2a\u94fe\u8868\u7684\u6240\u6709\u8282\u70b9\u7ec4\u6210\u7684\u3002&nbsp; &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":[],"categories":[11,1],"tags":[],"_links":{"self":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/537"}],"collection":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=537"}],"version-history":[{"count":1,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/537\/revisions"}],"predecessor-version":[{"id":538,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/537\/revisions\/538"}],"wp:attachment":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=537"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}