{"id":585,"date":"2020-09-26T11:00:16","date_gmt":"2020-09-26T03:00:16","guid":{"rendered":"http:\/\/39.96.58.60\/?p=585"},"modified":"2022-10-18T16:38:45","modified_gmt":"2022-10-18T08:38:45","slug":"leetcode-113-%e8%b7%af%e5%be%84%e6%80%bb%e5%92%8c-ii","status":"publish","type":"post","link":"https:\/\/www.yatenglg.cn\/blog\/?p=585","title":{"rendered":"Leetcode 113. \u8def\u5f84\u603b\u548c II"},"content":{"rendered":"<p>\u7ed9\u5b9a\u4e00\u4e2a\u4e8c\u53c9\u6811\u548c\u4e00\u4e2a\u76ee\u6807\u548c\uff0c\u627e\u5230\u6240\u6709\u4ece\u6839\u8282\u70b9\u5230\u53f6\u5b50\u8282\u70b9\u8def\u5f84\u603b\u548c\u7b49\u4e8e\u7ed9\u5b9a\u76ee\u6807\u548c\u7684\u8def\u5f84\u3002<\/p>\n<p><strong>\u8bf4\u660e:<\/strong>&nbsp;\u53f6\u5b50\u8282\u70b9\u662f\u6307\u6ca1\u6709\u5b50\u8282\u70b9\u7684\u8282\u70b9\u3002<\/p>\n<p><strong>\u793a\u4f8b:<\/strong><\/p>\n<p>\u7ed9\u5b9a\u5982\u4e0b\u4e8c\u53c9\u6811\uff0c\u4ee5\u53ca\u76ee\u6807\u548c&nbsp;<code>sum = 22<\/code>\uff0c<\/p>\n<pre>              <strong>5<\/strong>\n\n             \/ \\\n\n            <strong>4<\/strong>   <strong>8<\/strong>\n\n           \/   \/ \\\n\n          <strong>11<\/strong>  13  <strong>4<\/strong>\n\n         \/  \\    \/ \\\n\n        7    <strong>2<\/strong>  <strong>5<\/strong>   1\n\n<\/pre>\n<p>\u8fd4\u56de:<\/p>\n<pre>[\n\n   [5,4,11,2],\n\n   [5,8,4,5]\n\n]\n\n<\/pre>\n<p>**\u96be\u5ea6**: Medium<\/p>\n<p>**\u6807\u7b7e**: \u6811\u3001 \u6df1\u5ea6\u4f18\u5148\u641c\u7d22\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\uff1a56 ms, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e8662.60% \u7684\u7528\u6237\n\u5185\u5b58\u6d88\u8017\uff1a18.6 MB, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e8625.28% \u7684\u7528\u6237\n\n\u89e3\u9898\u601d\u8def\uff1a\n    \u56de\u6eaf\n\"\"\"\n\n\n# Definition for a binary tree node.\n# class TreeNode:\n#     def __init__(self, x):\n#         self.val = x\n#         self.left = None\n#         self.right = None\n\nclass Solution:\n    def pathSum(self, root: TreeNode, sum: int) -&gt; List[List[int]]:\n        result = []\n\n        def find(root, current, target):\n            if root.left == None and root.right == None and target == root.val:\n                result.append(current[:] + [root.val])\n                return\n            if root.left:\n                find(root.left, current + [root.val], target - root.val)  # \u56de\u6eaf\n            if root.right:\n                find(root.right, current + [root.val], target - root.val)\n\n        if root:\n            find(root, [], sum)\n        return result<\/code><\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7ed9\u5b9a\u4e00\u4e2a\u4e8c\u53c9\u6811\u548c\u4e00\u4e2a\u76ee\u6807\u548c\uff0c\u627e\u5230\u6240\u6709\u4ece\u6839\u8282\u70b9\u5230\u53f6\u5b50\u8282\u70b9\u8def\u5f84\u603b\u548c\u7b49\u4e8e\u7ed9\u5b9a\u76ee\u6807\u548c\u7684\u8def\u5f84\u3002 \u8bf4\u660e:&nbsp;\u53f6\u5b50\u8282&#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":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/585"}],"collection":[{"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=585"}],"version-history":[{"count":1,"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/585\/revisions"}],"predecessor-version":[{"id":586,"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/585\/revisions\/586"}],"wp:attachment":[{"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=585"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=585"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=585"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}