{"id":1064262,"date":"2024-12-31T16:07:33","date_gmt":"2024-12-31T08:07:33","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1064262.html"},"modified":"2024-12-31T16:07:36","modified_gmt":"2024-12-31T08:07:36","slug":"python%e5%a6%82%e4%bd%95%e6%af%94%e8%be%83%e4%b8%a4%e4%b8%aa%e5%8d%95%e9%93%be%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1064262.html","title":{"rendered":"python\u5982\u4f55\u6bd4\u8f83\u4e24\u4e2a\u5355\u94fe\u8868"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2024\/12\/135a2ee3-6286-43e4-96bb-78a2a2f406f9.webp?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"python\u5982\u4f55\u6bd4\u8f83\u4e24\u4e2a\u5355\u94fe\u8868\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\u6bd4\u8f83\u4e24\u4e2a\u5355\u94fe\u8868\u7684\u4e3b\u8981\u65b9\u6cd5\u6709\uff1a\u8282\u70b9\u9010\u4e2a\u6bd4\u8f83\u3001\u9012\u5f52\u6bd4\u8f83\u3001\u54c8\u5e0c\u8868\u6bd4\u8f83\u3002<\/strong> \u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u6765\u6bd4\u8f83\u4e24\u4e2a\u5355\u94fe\u8868\uff0c\u5e76\u8ba8\u8bba\u6bcf\u79cd\u65b9\u6cd5\u7684\u4f18\u7f3a\u70b9\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u8282\u70b9\u9010\u4e2a\u6bd4\u8f83<\/h3>\n<\/p>\n<p><p>\u8282\u70b9\u9010\u4e2a\u6bd4\u8f83\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u5373\u4ece\u5934\u8282\u70b9\u5f00\u59cb\u9010\u4e2a\u6bd4\u8f83\u4e24\u4e2a\u5355\u94fe\u8868\u7684\u6bcf\u4e2a\u8282\u70b9\uff0c\u76f4\u5230\u6bd4\u8f83\u5b8c\u6240\u6709\u8282\u70b9\u6216\u53d1\u73b0\u4e0d\u540c\u8282\u70b9\u4e3a\u6b62\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class ListNode:<\/p>\n<p>    def __init__(self, val=0, next=None):<\/p>\n<p>        self.val = val<\/p>\n<p>        self.next = next<\/p>\n<p>def compare_lists(head1, head2):<\/p>\n<p>    current1 = head1<\/p>\n<p>    current2 = head2<\/p>\n<p>    while current1 is not None and current2 is not None:<\/p>\n<p>        if current1.val != current2.val:<\/p>\n<p>            return False<\/p>\n<p>        current1 = current1.next<\/p>\n<p>        current2 = current2.next<\/p>\n<p>    return current1 is None and current2 is None<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u5b9e\u73b0\u7b80\u5355\uff0c\u76f4\u89c2\u6613\u61c2\u3002\u7f3a\u70b9\u662f\u5f53\u94fe\u8868\u8f83\u957f\u65f6\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u8f83\u9ad8\uff0c\u4e3aO(n)\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u9012\u5f52\u6bd4\u8f83<\/h3>\n<\/p>\n<p><p>\u9012\u5f52\u6bd4\u8f83\u65b9\u6cd5\u662f\u4f7f\u7528\u9012\u5f52\u51fd\u6570\u6765\u6bd4\u8f83\u4e24\u4e2a\u94fe\u8868\u7684\u8282\u70b9\uff0c\u76f4\u5230\u5230\u8fbe\u94fe\u8868\u7684\u672b\u5c3e\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def compare_lists_recursive(node1, node2):<\/p>\n<p>    if node1 is None and node2 is None:<\/p>\n<p>        return True<\/p>\n<p>    if node1 is None or node2 is None:<\/p>\n<p>        return False<\/p>\n<p>    if node1.val != node2.val:<\/p>\n<p>        return False<\/p>\n<p>    return compare_lists_recursive(node1.next, node2.next)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u9012\u5f52\u6bd4\u8f83\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u4ee3\u7801\u7b80\u6d01\uff0c\u903b\u8f91\u6e05\u6670\u3002\u7f3a\u70b9\u662f\u5728\u94fe\u8868\u8f83\u957f\u65f6\u53ef\u80fd\u5bfc\u81f4\u6808\u6ea2\u51fa\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u9012\u5f52\u8c03\u7528\u90fd\u4f1a\u5360\u7528\u6808\u7a7a\u95f4\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u54c8\u5e0c\u8868\u6bd4\u8f83<\/h3>\n<\/p>\n<p><p>\u54c8\u5e0c\u8868\u6bd4\u8f83\u65b9\u6cd5\u662f\u5c06\u4e24\u4e2a\u94fe\u8868\u7684\u8282\u70b9\u503c\u5b58\u5165\u54c8\u5e0c\u8868\u4e2d\uff0c\u7136\u540e\u6bd4\u8f83\u4e24\u4e2a\u54c8\u5e0c\u8868\u662f\u5426\u76f8\u7b49\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def list_to_hash_set(head):<\/p>\n<p>    hash_set = set()<\/p>\n<p>    current = head<\/p>\n<p>    while current is not None:<\/p>\n<p>        hash_set.add(current.val)<\/p>\n<p>        current = current.next<\/p>\n<p>    return hash_set<\/p>\n<p>def compare_lists_hash(head1, head2):<\/p>\n<p>    hash_set1 = list_to_hash_set(head1)<\/p>\n<p>    hash_set2 = list_to_hash_set(head2)<\/p>\n<p>    return hash_set1 == hash_set2<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u54c8\u5e0c\u8868\u6bd4\u8f83\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u80fd\u591f\u5feb\u901f\u6bd4\u8f83\u94fe\u8868\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(n)\u3002\u7f3a\u70b9\u662f\u9700\u8981\u989d\u5916\u7684\u7a7a\u95f4\u6765\u5b58\u50a8\u54c8\u5e0c\u8868\uff0c\u7a7a\u95f4\u590d\u6742\u5ea6\u8f83\u9ad8\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u6bd4\u8f83\u4e24\u4e2a\u5355\u94fe\u8868\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u9700\u6c42\u548c\u94fe\u8868\u7684\u5927\u5c0f\u3002<strong>\u8282\u70b9\u9010\u4e2a\u6bd4\u8f83<\/strong>\u9002\u7528\u4e8e\u94fe\u8868\u8f83\u77ed\u4e14\u5bf9\u65f6\u95f4\u590d\u6742\u5ea6\u8981\u6c42\u4e0d\u9ad8\u7684\u60c5\u51b5\uff0c<strong>\u9012\u5f52\u6bd4\u8f83<\/strong>\u9002\u7528\u4e8e\u94fe\u8868\u8f83\u77ed\u4e14\u4ee3\u7801\u7b80\u6d01\u5ea6\u8981\u6c42\u8f83\u9ad8\u7684\u60c5\u51b5\uff0c<strong>\u54c8\u5e0c\u8868\u6bd4\u8f83<\/strong>\u9002\u7528\u4e8e\u94fe\u8868\u8f83\u957f\u4e14\u5bf9\u65f6\u95f4\u590d\u6742\u5ea6\u8981\u6c42\u8f83\u9ad8\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5224\u65ad\u4e24\u4e2a\u5355\u94fe\u8868\u662f\u5426\u76f8\u7b49\uff1f<\/strong><br \/>\u6bd4\u8f83\u4e24\u4e2a\u5355\u94fe\u8868\u662f\u5426\u76f8\u7b49\uff0c\u901a\u5e38\u9700\u8981\u9010\u8282\u70b9\u8fdb\u884c\u6bd4\u8f83\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u904d\u5386\u4e24\u4e2a\u94fe\u8868\uff0c\u9010\u4e00\u6bd4\u8f83\u6bcf\u4e2a\u8282\u70b9\u7684\u503c\u548c\u7ed3\u6784\u3002\u5982\u679c\u6240\u6709\u8282\u70b9\u90fd\u76f8\u7b49\u4e14\u987a\u5e8f\u76f8\u540c\uff0c\u5219\u8fd9\u4e24\u4e2a\u94fe\u8868\u76f8\u7b49\u3002\u5982\u679c\u53d1\u73b0\u4efb\u4f55\u4e00\u4e2a\u8282\u70b9\u7684\u503c\u4e0d\u76f8\u7b49\uff0c\u6216\u8005\u4e00\u4e2a\u94fe\u8868\u7ed3\u675f\u800c\u53e6\u4e00\u4e2a\u4ecd\u6709\u5269\u4f59\u8282\u70b9\uff0c\u90a3\u4e48\u8fd9\u4e24\u4e2a\u94fe\u8868\u5c31\u4e0d\u76f8\u7b49\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\u5b9e\u73b0\u5355\u94fe\u8868\u6bd4\u8f83\u7684\u6700\u4f73\u65b9\u6cd5\u662f\u4ec0\u4e48\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49\u4e00\u4e2a\u94fe\u8868\u8282\u70b9\u7c7b\u548c\u4e00\u4e2a\u94fe\u8868\u7c7b\u6765\u5b9e\u73b0\u5355\u94fe\u8868\u7684\u6bd4\u8f83\u529f\u80fd\u3002\u94fe\u8868\u7c7b\u53ef\u4ee5\u5305\u542b\u4e00\u4e2a\u6bd4\u8f83\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u904d\u5386\u4e24\u4e2a\u94fe\u8868\u5e76\u6bd4\u8f83\u6bcf\u4e2a\u8282\u70b9\u7684\u503c\u3002\u4f7f\u7528\u9012\u5f52\u6216\u8fed\u4ee3\u65b9\u5f0f\u5747\u53ef\u5b9e\u73b0\u3002\u786e\u4fdd\u5904\u7406\u94fe\u8868\u957f\u5ea6\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\uff0c\u4ee5\u907f\u514d\u9519\u8bef\u3002<\/p>\n<p><strong>\u5982\u679c\u4e24\u4e2a\u5355\u94fe\u8868\u7684\u7ed3\u6784\u76f8\u540c\u4f46\u5185\u5bb9\u4e0d\u540c\uff0c\u8be5\u5982\u4f55\u5904\u7406\uff1f<\/strong><br \/>\u5982\u679c\u4e24\u4e2a\u5355\u94fe\u8868\u7684\u7ed3\u6784\u76f8\u540c\u4f46\u5185\u5bb9\u4e0d\u540c\uff0c\u5e94\u8be5\u8fd4\u56de\u4e0d\u76f8\u7b49\u7684\u7ed3\u679c\u3002\u5728\u6bd4\u8f83\u8fc7\u7a0b\u4e2d\uff0c\u4e0d\u4ec5\u8981\u68c0\u67e5\u8282\u70b9\u7684\u6570\u91cf\uff0c\u8fd8\u8981\u68c0\u67e5\u6bcf\u4e2a\u8282\u70b9\u5b58\u50a8\u7684\u6570\u636e\u662f\u5426\u76f8\u540c\u3002\u4efb\u4f55\u4e00\u4e2a\u8282\u70b9\u7684\u6570\u636e\u4e0d\u5339\u914d\uff0c\u90fd\u5e94\u6807\u8bc6\u8fd9\u4e24\u4e2a\u94fe\u8868\u4e3a\u4e0d\u76f8\u7b49\u3002\u8fd9\u79cd\u60c5\u51b5\u901a\u5e38\u5728\u6d4b\u8bd5\u6216\u9a8c\u8bc1\u94fe\u8868\u64cd\u4f5c\u65f6\u5f88\u5e38\u89c1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u6bd4\u8f83\u4e24\u4e2a\u5355\u94fe\u8868\u7684\u4e3b\u8981\u65b9\u6cd5\u6709\uff1a\u8282\u70b9\u9010\u4e2a\u6bd4\u8f83\u3001\u9012\u5f52\u6bd4\u8f83\u3001\u54c8\u5e0c\u8868\u6bd4\u8f83\u3002 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