{"id":83382,"date":"2026-07-25T21:09:04","date_gmt":"2026-07-25T13:09:04","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/83382.html"},"modified":"2026-07-25T21:09:04","modified_gmt":"2026-07-25T13:09:04","slug":"leetcode-108-%e5%b0%86%e6%9c%89%e5%ba%8f%e6%95%b0%e7%bb%84%e8%bd%ac%e6%8d%a2%e4%b8%ba%e4%ba%8c%e5%8f%89%e6%90%9c%e7%b4%a2%e6%a0%91%e3%80%90java%e3%80%91","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/83382.html","title":{"rendered":"LeetCode 108. \u5c06\u6709\u5e8f\u6570\u7ec4\u8f6c\u6362\u4e3a\u4e8c\u53c9\u641c\u7d22\u6811\u3010Java\u3011"},"content":{"rendered":"<p>\u8fd9\u9053\u9898\u7684\u9898\u610f\u662f&#xff1a;\u7ed9\u5b9a\u4e00\u4e2a\u5df2\u7ecf\u6309\u5347\u5e8f\u6392\u597d\u5e8f\u7684\u6574\u6570\u6570\u7ec4 nums&#xff0c;\u8981\u6c42\u6211\u4eec\u628a\u5b83\u8f6c\u6362\u6210\u4e00\u68f5 \u5e73\u8861\u4e8c\u53c9\u641c\u7d22\u6811\u3002<\/p>\n<p>\u4e00\u5f00\u59cb\u770b\u5230\u201c\u6570\u7ec4\u201d\u548c\u201c\u4e8c\u53c9\u641c\u7d22\u6811\u201d\u8fd9\u4e24\u4e2a\u4e1c\u897f\u653e\u5728\u4e00\u8d77&#xff0c;\u53ef\u80fd\u4f1a\u6709\u70b9\u6ca1\u601d\u8def\u3002\u5176\u5b9e\u8fd9\u9898\u771f\u6b63\u60f3\u8003\u7684\u662f&#xff1a;\u80fd\u4e0d\u80fd\u60f3\u5230 \u4e8c\u53c9\u641c\u7d22\u6811\u7684\u4e2d\u5e8f\u904d\u5386\u7ed3\u679c\u662f\u5347\u5e8f\u7684\u3002\u9898\u76ee\u73b0\u5728\u76f4\u63a5\u7ed9\u4e86\u4e00\u4e2a\u5347\u5e8f\u6570\u7ec4&#xff0c;\u4e5f\u5c31\u76f8\u5f53\u4e8e\u7ed9\u4e86\u6211\u4eec\u4e00\u68f5\u4e8c\u53c9\u641c\u7d22\u6811\u4e2d\u5e8f\u904d\u5386\u540e\u7684\u7ed3\u679c\u3002\u6211\u4eec\u8981\u505a\u7684&#xff0c;\u5c31\u662f\u53cd\u8fc7\u6765\u628a\u8fd9\u68f5\u6811\u6784\u9020\u51fa\u6765\u3002<\/p>\n<p>\u4e0d\u8fc7\u8fd9\u91cc\u8fd8\u6709\u4e00\u4e2a\u9650\u5236&#xff1a;\u6784\u9020\u51fa\u6765\u7684\u4e8c\u53c9\u641c\u7d22\u6811\u5fc5\u987b\u662f\u5e73\u8861\u7684\u3002\u4e5f\u5c31\u662f\u8bf4&#xff0c;\u4e0d\u80fd\u968f\u4fbf\u6784\u9020\u4e00\u68f5\u6ee1\u8db3\u5927\u5c0f\u5173\u7cfb\u7684\u6811&#xff0c;\u8fd8\u8981\u5c3d\u91cf\u8ba9\u5b83\u5de6\u53f3\u4e24\u8fb9\u4e0d\u8981\u5dee\u592a\u591a\u3002<\/p>\n<h3>\u9898\u76ee\u5206\u6790<\/h3>\n<p>\u4e8c\u53c9\u641c\u7d22\u6811\u6709\u4e00\u4e2a\u5f88\u91cd\u8981\u7684\u6027\u8d28&#xff1a;<\/p>\n<p>\u5de6\u5b50\u6811\u6240\u6709\u8282\u70b9\u7684\u503c &lt; \u6839\u8282\u70b9\u7684\u503c &lt; \u53f3\u5b50\u6811\u6240\u6709\u8282\u70b9\u7684\u503c<\/p>\n<p>\u800c\u9898\u76ee\u7ed9\u51fa\u7684\u6570\u7ec4\u5df2\u7ecf\u662f\u5347\u5e8f\u6392\u5217\u7684&#xff0c;\u6240\u4ee5\u5982\u679c\u6211\u4eec\u4ece\u6570\u7ec4\u4e2d\u9009\u4e00\u4e2a\u5143\u7d20\u4f5c\u4e3a\u6839\u8282\u70b9&#xff0c;\u90a3\u4e48\u5b83\u5de6\u8fb9\u7684\u5143\u7d20\u5929\u7136\u90fd\u6bd4\u5b83\u5c0f&#xff0c;\u53ef\u4ee5\u653e\u5230\u5de6\u5b50\u6811&#xff1b;\u5b83\u53f3\u8fb9\u7684\u5143\u7d20\u5929\u7136\u90fd\u6bd4\u5b83\u5927&#xff0c;\u53ef\u4ee5\u653e\u5230\u53f3\u5b50\u6811\u3002<\/p>\n<p>\u6bd4\u5982\u6570\u7ec4&#xff1a;<\/p>\n<p>[-10, -3, 0, 5, 9]<\/p>\n<p>\u5982\u679c\u9009\u62e9 0 \u4f5c\u4e3a\u6839\u8282\u70b9&#xff0c;\u90a3\u4e48&#xff1a;<\/p>\n<p>\u5de6\u8fb9&#xff1a;[-10, -3]<br \/>\n\u6839&#xff1a;0<br \/>\n\u53f3\u8fb9&#xff1a;[5, 9]<\/p>\n<p>\u8fd9\u6837\u5c31\u521a\u597d\u7b26\u5408\u4e8c\u53c9\u641c\u7d22\u6811\u7684\u7ed3\u6784\u3002<\/p>\n<p>\u95ee\u9898\u662f&#xff1a;\u6839\u8282\u70b9\u5e94\u8be5\u9009\u8c01&#xff1f;<\/p>\n<p>\u5982\u679c\u6bcf\u6b21\u90fd\u9009\u6700\u5de6\u8fb9\u7684\u5143\u7d20\u4f5c\u4e3a\u6839\u8282\u70b9&#xff0c;\u6811\u53ef\u80fd\u4f1a\u53d8\u6210\u8fd9\u6837&#xff1a;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"1335\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725130901-6a64b56d05a62.png\" width=\"1178\" \/><\/p>\n<p>\u8fd9\u867d\u7136\u6ee1\u8db3\u4e8c\u53c9\u641c\u7d22\u6811\u7684\u6027\u8d28&#xff0c;\u4f46\u5b83\u660e\u663e\u4e0d\u5e73\u8861&#xff0c;\u66f4\u50cf\u662f\u4e00\u6761\u94fe\u8868\u3002\u9898\u76ee\u8981\u6c42\u7684\u662f\u5e73\u8861\u4e8c\u53c9\u641c\u7d22\u6811&#xff0c;\u6240\u4ee5\u8fd9\u79cd\u505a\u6cd5\u4e0d\u5408\u9002\u3002<\/p>\n<p>\u6bd4\u8f83\u5408\u9002\u7684\u505a\u6cd5\u662f&#xff1a;\u6bcf\u6b21\u9009\u62e9\u5f53\u524d\u533a\u95f4\u7684\u4e2d\u95f4\u5143\u7d20\u4f5c\u4e3a\u6839\u8282\u70b9\u3002<\/p>\n<p>\u8fd9\u6837\u505a\u7684\u597d\u5904\u5f88\u76f4\u63a5&#xff1a;\u4e2d\u95f4\u5143\u7d20\u5de6\u8fb9\u548c\u53f3\u8fb9\u7684\u5143\u7d20\u6570\u91cf\u5dee\u4e0d\u591a&#xff0c;\u9012\u5f52\u6784\u9020\u51fa\u6765\u7684\u5de6\u53f3\u5b50\u6811\u9ad8\u5ea6\u4e5f\u5c31\u4e0d\u4f1a\u5dee\u592a\u591a&#xff0c;\u6574\u68f5\u6811\u81ea\u7136\u6bd4\u8f83\u5e73\u8861\u3002<\/p>\n<h3>\u89e3\u9898\u601d\u8def<\/h3>\n<p>\u8fd9\u9053\u9898\u53ef\u4ee5\u7528\u9012\u5f52\u6765\u505a\u3002\u6211\u4eec\u4e0d\u8981\u8bd5\u56fe\u4e00\u6b21\u6027\u628a\u6574\u68f5\u6811\u60f3\u5b8c&#xff0c;\u800c\u662f\u628a\u95ee\u9898\u62c6\u6210\u4e00\u4e2a\u91cd\u590d\u7684\u5c0f\u95ee\u9898&#xff1a;<\/p>\n<p>\u7ed9\u5b9a\u6570\u7ec4\u4e2d\u7684\u4e00\u6bb5\u533a\u95f4&#xff0c;\u7528\u8fd9\u6bb5\u533a\u95f4\u6784\u9020\u4e00\u68f5\u5e73\u8861\u4e8c\u53c9\u641c\u7d22\u6811\u3002<\/p>\n<p>\u5047\u8bbe\u5f53\u524d\u5904\u7406\u7684\u533a\u95f4\u662f [left, right]&#xff0c;\u90a3\u4e48\u6211\u4eec\u8981\u505a\u7684\u4e8b\u60c5\u5c31\u662f&#xff1a;<\/p>\n<li>\u627e\u5230\u8fd9\u4e2a\u533a\u95f4\u7684\u4e2d\u95f4\u4f4d\u7f6e mid&#xff1b;<\/li>\n<li>\u7528 nums[mid] \u521b\u5efa\u5f53\u524d\u5b50\u6811\u7684\u6839\u8282\u70b9&#xff1b;<\/li>\n<li>\u7528 [left, mid &#8211; 1] \u8fd9\u6bb5\u533a\u95f4\u9012\u5f52\u6784\u9020\u5de6\u5b50\u6811&#xff1b;<\/li>\n<li>\u7528 [mid &#043; 1, right] \u8fd9\u6bb5\u533a\u95f4\u9012\u5f52\u6784\u9020\u53f3\u5b50\u6811\u3002<\/li>\n<p>\u5f53 left &gt; right \u7684\u65f6\u5019&#xff0c;\u8bf4\u660e\u5f53\u524d\u533a\u95f4\u5df2\u7ecf\u6ca1\u6709\u5143\u7d20\u4e86&#xff0c;\u8fd9\u65f6\u5019\u76f4\u63a5\u8fd4\u56de null&#xff0c;\u9012\u5f52\u4e5f\u5c31\u505c\u6b62\u4e86\u3002<\/p>\n<p>\u6574\u4e2a\u8fc7\u7a0b\u5176\u5b9e\u6709\u70b9\u50cf\u628a\u4e00\u4e2a\u6709\u5e8f\u6570\u7ec4\u4e0d\u65ad\u4ece\u4e2d\u95f4\u5207\u5f00&#xff1a;\u4e2d\u95f4\u7684\u6570\u62ff\u51fa\u6765\u5f53\u6839&#xff0c;\u5de6\u8fb9\u7ee7\u7eed\u5207&#xff0c;\u53f3\u8fb9\u7ee7\u7eed\u5207&#xff0c;\u76f4\u5230\u6bcf\u4e00\u6bb5\u90fd\u5904\u7406\u5b8c\u3002<\/p>\n<h3>\u4e3e\u4e2a\u4f8b\u5b50<\/h3>\n<p>\u8fd8\u662f\u770b\u8fd9\u4e2a\u6570\u7ec4&#xff1a;<\/p>\n<p>[-10, -3, 0, 5, 9]<\/p>\n<p>\u7b2c\u4e00\u6b21\u5904\u7406\u6574\u4e2a\u533a\u95f4 [0, 4]&#xff0c;\u4e2d\u95f4\u4e0b\u6807\u662f 2&#xff0c;\u5bf9\u5e94\u7684\u503c\u662f 0&#xff0c;\u6240\u4ee5 0 \u6210\u4e3a\u6839\u8282\u70b9\u3002<\/p>\n<p>        0<\/p>\n<p>\u63a5\u4e0b\u6765\u5904\u7406\u5de6\u534a\u90e8\u5206 [0, 1]&#xff0c;\u4e5f\u5c31\u662f [-10, -3]\u3002\u6309\u7167\u4ee3\u7801\u91cc\u7684\u4e2d\u70b9\u5199\u6cd5&#xff0c;mid &#061; 0&#xff0c;\u6240\u4ee5 -10 \u6210\u4e3a\u5de6\u5b50\u6811\u7684\u6839\u8282\u70b9&#xff0c;-3 \u4f1a\u88ab\u653e\u5230\u5b83\u7684\u53f3\u8fb9\u3002<\/p>\n<p>\u518d\u5904\u7406\u53f3\u534a\u90e8\u5206 [3, 4]&#xff0c;\u4e5f\u5c31\u662f [5, 9]\u3002\u4e2d\u70b9\u662f 3&#xff0c;\u6240\u4ee5 5 \u6210\u4e3a\u53f3\u5b50\u6811\u7684\u6839\u8282\u70b9&#xff0c;9 \u4f1a\u88ab\u653e\u5230\u5b83\u7684\u53f3\u8fb9\u3002<\/p>\n<p>\u6700\u540e\u5f97\u5230\u7684\u6811\u5927\u6982\u662f\u8fd9\u6837&#xff1a;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"1197\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725130902-6a64b56e04db9.png\" width=\"1315\" \/><\/p>\n<p>\u8fd9\u68f5\u6811\u6ee1\u8db3\u4e8c\u53c9\u641c\u7d22\u6811\u7684\u6027\u8d28&#xff0c;\u5e76\u4e14\u5de6\u53f3\u9ad8\u5ea6\u5dee\u4e5f\u7b26\u5408\u5e73\u8861\u8981\u6c42\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f&#xff0c;\u8fd9\u9053\u9898\u7684\u7b54\u6848\u5e76\u4e0d\u552f\u4e00\u3002\u5982\u679c\u4f60\u53d6\u4e2d\u70b9\u65f6\u504f\u53f3&#xff0c;\u4e5f\u53ef\u80fd\u6784\u9020\u51fa\u53e6\u4e00\u68f5\u6811&#xff0c;\u53ea\u8981\u6ee1\u8db3\u5e73\u8861\u4e8c\u53c9\u641c\u7d22\u6811&#xff0c;\u90fd\u662f\u53ef\u4ee5\u901a\u8fc7\u7684\u3002<\/p>\n<h3>Java \u4ee3\u7801<\/h3>\n<p>class Solution {<br \/>\n    public TreeNode sortedArrayToBST(int[] nums) {<br \/>\n        return build(nums, 0, nums.length &#8211; 1);<br \/>\n    }<\/p>\n<p>    private TreeNode build(int[] nums, int left, int right) {<br \/>\n        if (left &gt; right) {<br \/>\n            return null;<br \/>\n        }<\/p>\n<p>        int mid &#061; (right &#8211; left) \/ 2 &#043; left;<\/p>\n<p>        TreeNode root &#061; new TreeNode(nums[mid]);<\/p>\n<p>        root.left &#061; build(nums, left, mid &#8211; 1);<br \/>\n        root.right &#061; build(nums, mid &#043; 1, right);<\/p>\n<p>        return root;<br \/>\n    }<br \/>\n}<\/p>\n<h3>\u4ee3\u7801\u8bf4\u660e<\/h3>\n<p>sortedArrayToBST \u662f\u9012\u5f52\u7684\u5165\u53e3&#xff1a;<\/p>\n<p>return build(nums, 0, nums.length &#8211; 1);<\/p>\n<p>\u56e0\u4e3a\u4e00\u5f00\u59cb\u8981\u7528\u6574\u4e2a\u6570\u7ec4\u6765\u6784\u9020\u4e8c\u53c9\u641c\u7d22\u6811&#xff0c;\u6240\u4ee5\u5de6\u8fb9\u754c\u662f 0&#xff0c;\u53f3\u8fb9\u754c\u662f nums.length &#8211; 1\u3002<\/p>\n<p>\u771f\u6b63\u7684\u6784\u9020\u903b\u8f91\u5728 build \u65b9\u6cd5\u91cc&#xff1a;<\/p>\n<p>private TreeNode build(int[] nums, int left, int right)<\/p>\n<p>\u8fd9\u91cc\u7684 left \u548c right \u8868\u793a\u5f53\u524d\u8981\u5904\u7406\u7684\u6570\u7ec4\u8303\u56f4\u3002\u6bcf\u4e00\u6b21\u9012\u5f52\u90fd\u53ea\u8d1f\u8d23\u5f53\u524d\u8fd9\u4e00\u5c0f\u6bb5\u533a\u95f4&#xff0c;\u4e0d\u9700\u8981\u5173\u5fc3\u6574\u68f5\u6811\u5df2\u7ecf\u957f\u6210\u4ec0\u4e48\u6837\u3002<\/p>\n<p>\u9012\u5f52\u7ed3\u675f\u6761\u4ef6\u662f&#xff1a;<\/p>\n<p>if (left &gt; right) {<br \/>\n    return null;<br \/>\n}<\/p>\n<p>\u5f53\u5de6\u8fb9\u754c\u5df2\u7ecf\u8d85\u8fc7\u53f3\u8fb9\u754c&#xff0c;\u8bf4\u660e\u5f53\u524d\u533a\u95f4\u4e3a\u7a7a&#xff0c;\u6ca1\u6709\u8282\u70b9\u53ef\u4ee5\u521b\u5efa&#xff0c;\u6240\u4ee5\u8fd4\u56de null\u3002\u8fd9\u4e2a\u8fd4\u56de\u503c\u4f1a\u63a5\u5230\u4e0a\u4e00\u5c42\u8282\u70b9\u7684 left \u6216 right \u4e0a\u3002<\/p>\n<p>\u4e2d\u70b9\u7684\u8ba1\u7b97\u65b9\u5f0f\u662f&#xff1a;<\/p>\n<p>int mid &#061; (right &#8211; left) \/ 2 &#043; left;<\/p>\n<p>\u8fd9\u5176\u5b9e\u5c31\u662f\u53d6 (left &#043; right) \/ 2&#xff0c;\u53ea\u662f\u5199\u6cd5\u66f4\u7a33\u4e00\u4e9b&#xff0c;\u53ef\u4ee5\u907f\u514d\u4e0b\u6807\u76f8\u52a0\u65f6\u51fa\u73b0\u6574\u6570\u6ea2\u51fa\u3002\u5e73\u65f6\u5199\u4e8c\u5206\u3001\u9012\u5f52\u5212\u5206\u533a\u95f4\u65f6&#xff0c;\u90fd\u53ef\u4ee5\u4f18\u5148\u7528\u8fd9\u79cd\u5199\u6cd5\u3002<\/p>\n<p>\u521b\u5efa\u6839\u8282\u70b9&#xff1a;<\/p>\n<p>TreeNode root &#061; new TreeNode(nums[mid]);<\/p>\n<p>\u5f53\u524d\u533a\u95f4\u7684\u4e2d\u95f4\u5143\u7d20\u5c31\u662f\u5f53\u524d\u5b50\u6811\u7684\u6839\u8282\u70b9\u3002<\/p>\n<p>\u7136\u540e\u9012\u5f52\u6784\u9020\u5de6\u53f3\u5b50\u6811&#xff1a;<\/p>\n<p>root.left &#061; build(nums, left, mid &#8211; 1);<br \/>\nroot.right &#061; build(nums, mid &#043; 1, right);<\/p>\n<p>\u56e0\u4e3a\u6570\u7ec4\u662f\u5347\u5e8f\u7684&#xff0c;\u6240\u4ee5 mid \u5de6\u8fb9\u7684\u5143\u7d20\u4e00\u5b9a\u90fd\u5c0f\u4e8e nums[mid]&#xff0c;\u5b83\u4eec\u5e94\u8be5\u653e\u5728\u5de6\u5b50\u6811&#xff1b;mid \u53f3\u8fb9\u7684\u5143\u7d20\u4e00\u5b9a\u90fd\u5927\u4e8e nums[mid]&#xff0c;\u5b83\u4eec\u5e94\u8be5\u653e\u5728\u53f3\u5b50\u6811\u3002<\/p>\n<p>\u6700\u540e\u8fd4\u56de\u5f53\u524d\u6839\u8282\u70b9&#xff1a;<\/p>\n<p>return root;<\/p>\n<p>\u8fd9\u6837\u4e0a\u4e00\u5c42\u9012\u5f52\u5c31\u80fd\u628a\u8fd9\u4e2a\u8282\u70b9\u63a5\u5230\u81ea\u5df1\u7684\u5de6\u5b50\u6811\u6216\u53f3\u5b50\u6811\u4e0a\u3002<\/p>\n<h3>\u603b\u7ed3<\/h3>\n<p>\u8fd9\u9053\u9898\u7684\u5173\u952e\u4e0d\u662f\u4ee3\u7801\u6709\u591a\u590d\u6742&#xff0c;\u800c\u662f\u8981\u60f3\u5230&#xff1a;\u5347\u5e8f\u6570\u7ec4\u53ef\u4ee5\u770b\u6210\u4e8c\u53c9\u641c\u7d22\u6811\u7684\u4e2d\u5e8f\u904d\u5386\u7ed3\u679c\u3002<\/p>\n<p>\u65e2\u7136\u6570\u7ec4\u5df2\u7ecf\u6709\u5e8f&#xff0c;\u90a3\u4e48\u9009\u4e00\u4e2a\u5143\u7d20\u4f5c\u4e3a\u6839\u8282\u70b9\u65f6&#xff0c;\u5b83\u5de6\u8fb9\u7684\u5143\u7d20\u5c31\u53ef\u4ee5\u653e\u5230\u5de6\u5b50\u6811&#xff0c;\u53f3\u8fb9\u7684\u5143\u7d20\u5c31\u53ef\u4ee5\u653e\u5230\u53f3\u5b50\u6811\u3002\u4e3a\u4e86\u8ba9\u6811\u4fdd\u6301\u5e73\u8861&#xff0c;\u6bcf\u6b21\u90fd\u9009\u5f53\u524d\u533a\u95f4\u7684\u4e2d\u95f4\u5143\u7d20&#xff0c;\u8fd9\u6837\u5de6\u53f3\u4e24\u8fb9\u7684\u8282\u70b9\u6570\u91cf\u4f1a\u6bd4\u8f83\u63a5\u8fd1\u3002<\/p>\n<p>\u6240\u4ee5\u672c\u9898\u7684\u6838\u5fc3\u601d\u8def\u53ef\u4ee5\u538b\u7f29\u6210\u4e00\u53e5\u8bdd&#xff1a;<\/p>\n<p>\u6bcf\u6b21\u53d6\u5f53\u524d\u533a\u95f4\u7684\u4e2d\u95f4\u5143\u7d20\u4f5c\u4e3a\u6839\u8282\u70b9&#xff0c;\u518d\u9012\u5f52\u6784\u9020\u5de6\u53f3\u5b50\u6811\u3002<\/p>\n<p>\u638c\u63e1\u8fd9\u4e2a\u601d\u8def\u4e4b\u540e&#xff0c;\u540e\u9762\u9047\u5230\u201c\u6709\u5e8f\u6570\u7ec4 \/ \u6709\u5e8f\u94fe\u8868 &#043; \u6784\u9020\u5e73\u8861\u4e8c\u53c9\u641c\u7d22\u6811\u201d\u8fd9\u7c7b\u9898&#xff0c;\u5c31\u4f1a\u66f4\u5bb9\u6613\u8054\u60f3\u5230\u9012\u5f52\u548c\u4e2d\u70b9\u5212\u5206\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u9053\u9898\u7684\u9898\u610f\u662f&#xff1a;\u7ed9\u5b9a\u4e00\u4e2a\u5df2\u7ecf\u6309\u5347\u5e8f\u6392\u597d\u5e8f\u7684\u6574\u6570\u6570\u7ec4 nums&#xff0c;\u8981\u6c42\u6211\u4eec\u628a\u5b83\u8f6c\u6362\u6210\u4e00\u68f5 \u5e73\u8861\u4e8c\u53c9\u641c\u7d22\u6811\u3002\u4e00\u5f00\u59cb\u770b\u5230\u201c\u6570\u7ec4\u201d\u548c\u201c\u4e8c\u53c9\u641c\u7d22\u6811\u201d\u8fd9\u4e24\u4e2a\u4e1c\u897f\u653e\u5728\u4e00\u8d77&#xff0c;\u53ef\u80fd\u4f1a\u6709\u70b9\u6ca1\u601d\u8def\u3002\u5176\u5b9e\u8fd9\u9898\u771f\u6b63\u60f3\u8003\u7684\u662f&#xff1a;\u80fd\u4e0d\u80fd\u60f3\u5230 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