{"id":5864,"date":"2020-07-07T01:16:23","date_gmt":"2020-07-06T17:16:23","guid":{"rendered":"https:\/\/vip.fxxkpython.com\/?p=5864"},"modified":"2021-10-31T17:26:11","modified_gmt":"2021-10-31T09:26:11","slug":"python-%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84%e5%92%8c%e7%ae%97%e6%b3%95-02-%e5%a6%82%e4%bd%95%e7%9e%84%e4%b8%80%e7%9c%bc%ef%bc%8c%e5%b0%b1%e7%9f%a5%e9%81%93%e8%bf%99%e6%ae%b5%e4%bb%a3%e7%a0%81","status":"publish","type":"post","link":"https:\/\/vip.fxxkpython.com\/?p=5864","title":{"rendered":"Python \u6570\u636e\u7ed3\u6784\u548c\u7b97\u6cd5 02 | \u5982\u4f55\u7784\u4e00\u773c\uff0c\u5c31\u77e5\u9053\u8fd9\u6bb5\u4ee3\u7801\u7684\u6548\u7387\uff1f"},"content":{"rendered":"\n<p>\u5230\u540e\u9762\uff0c\u6211\u4eec\u8981\u8ffd\u6c42\u7684\u662f\u81ea\u5df1\u5199\u7684\u4ee3\u7801\u6548\u7387\u5c3d\u91cf\u9ad8\uff0c\u5728\u6b64\u4e4b\u524d\uff0c\u5f53\u6211\u4eec\u4e00\u884c\u884c\u7684\u4ee3\u7801\u6572\u4e0b\u6765\u4e4b\u540e\uff0c\u5982\u4f55\u53bb\u8bc4\u4f30\u81ea\u5df1\u5199\u51fa\u7684\u4ee3\u7801\u6548\u7387\u5982\u4f55\u5462\uff1f<\/p>\n\n\n\n<p>\u8fd9\u65f6\u5019\u6211\u4eec\u8981\u5b66\u4f1a\u8bc4\u4f30\u4ee3\u7801\u7684\u8d28\u91cf\uff0c\u4e5f\u5c31\u662f\u5b83\u5feb\u4e48\uff1f\u5b83\u7701\u7a7a\u95f4\u4e48\uff1f<\/p>\n\n\n\n<p>\u6211\u4eec\u5148\u6765\u5047\u8bbe\u4e00\u4e0b\u8fd9\u6837\u7684\u5f31\u667a\u9898\u76ee\uff0c\u5728\u4e0b\u9762\u8fd9\u4e9b\u6709\u5e8f\u7684\u6570\u636e\u4e2d\uff0c\u5982\u679c\u8981\u8ba9\u4f60\u627e \u201c68\u201d \u8fd9\u4e2a\u6570\u5b57\u6240\u5728\u7684\u4f4d\u7f6e\uff0c\u4f60\u4f1a\u600e\u4e48\u53bb\u627e\uff1f<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>1 \u30012\u3001 3 \u30014 \u30015 \u30016 \u30017 \u30018\u3001 9 \u300110 \u300111 \u300112 \u300113 \u300114\u3001 15\u3001 16\u3001 17 \u300118\u300119 \u300120\u3001 21\u300122\u300123\u3001 24 \u300125 \u300126 \u300127\u3001 28\u3001 29 \u300130\u3001 31 \u300132 \u300133 \u300134 \u300135 \u300136 \u300137 \u300138\u3001 39 \u300140\u3001 41 \u300142 \u300143\u3001 44 \u300145 \u300146\u3001 47 \u300148\u3001 49\u3001 50 \u300151 \u300152\u3001 53\u3001 54 \u300155 \u300156 \u300157\u3001 58\u3001 59\u3001 60 \u300161\u3001 62 \u300163 \u300164 \u300165 \u300166\u3001 67 \u300168 \u300169 \u300170\u3001 71 \u300172 \u300173\u300174 75\u3001 76 \u300177 \u300178\u3001 79 \u300180\u300181 \u300182\u300183\u3001 84 \u300185\u3001 86 \u300187\u3001 88 \u300189\u3001 90\u3001 91 \u300192 \u300193 \u300194 \u300195 \u300196\u3001 97\u3001 98\u3001 99\u3001 100<\/p><\/blockquote>\n\n\n\n<p>\u53ef\u80fd\u4f60\u4f1a\u4ece\u7b2c\u4e00\u4e2a\u6570\u5b57\u5f00\u59cb\uff0c\u4e00\u4e2a\u4e00\u4e2a\u67e5\u627e\uff0c\u76f4\u5230\u627e\u5230\u5b83\u4e3a\u6b62\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"335\" height=\"82\" src=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/07\/Screenshot-from-2020-07-06-23-10-21.png\" alt=\"\" class=\"wp-image-5865\" srcset=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/07\/Screenshot-from-2020-07-06-23-10-21.png 335w, https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/07\/Screenshot-from-2020-07-06-23-10-21-300x73.png 300w\" sizes=\"(max-width: 335px) 100vw, 335px\" \/><\/figure><\/div>\n\n\n\n<p>\u53ef\u80fd\u4f60\u8fd8\u60f3\u5230\u4e86\u53e6\u4e00\u79cd\u5feb\u4e00\u4e9b\u7684\u65b9\u6cd5\uff0c\u5c31\u662f\u6298\u534a\u67e5\u627e\uff0c\u4e5f\u5c31\u662f\u8bf4\u5148\u4ece\u4e2d\u95f4\u5f00\u59cb\u67e5\u627e\uff0c\u5982\u679c\u53d1\u73b0\u8fd9\u4e2a\u6570\u5c0f\u4e86\uff0c\u8bf4\u660e\u8fd9\u4e2a\u6570\u7684\u5de6\u8fb9\u6240\u6709\u7684\u6570\u90fd\u53ef\u4ee5\u6392\u9664\u6389\uff0c\u7136\u540e\u518d\u4ece\u5269\u4e0b\u7684\u6570\u4e2d\u6298\u534a\u67e5\u627e\uff0c\u77e5\u9053\u67e5\u627e\u5230\u90a3\u4e2a\u6570\u5b57\u4f4d\u7f6e\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"589\" height=\"435\" src=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/07\/Screenshot-from-2020-07-06-23-25-50.png\" alt=\"\" class=\"wp-image-5866\" srcset=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/07\/Screenshot-from-2020-07-06-23-25-50.png 589w, https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/07\/Screenshot-from-2020-07-06-23-25-50-300x222.png 300w\" sizes=\"(max-width: 589px) 100vw, 589px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"436\" height=\"57\" src=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/07\/Screenshot-from-2020-07-06-23-26-21.png\" alt=\"\" class=\"wp-image-5867\" srcset=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/07\/Screenshot-from-2020-07-06-23-26-21.png 436w, https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/07\/Screenshot-from-2020-07-06-23-26-21-300x39.png 300w\" sizes=\"(max-width: 436px) 100vw, 436px\" \/><\/figure><\/div>\n\n\n\n<p>\u90a3\u4e48\uff0c\u8fd9\u4e24\u6bb5\u4ee3\u7801\uff0c\u54ea\u4e00\u79cd\u6548\u7387\u9ad8\u5462\uff1f\u5982\u4f55\u8bc4\u4f30\u5b83\u4eec\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u5462\uff1f<\/p>\n\n\n\n<p>\u5982\u679c\u73b0\u5728\u7684\u4f60\u5bf9\u4ee3\u7801\u590d\u6742\u5ea6\u7684\u5206\u6790\u5168\u65e0\u6982\u5ff5\uff0c\u5b8c\u5168\u6ca1\u6709\u5173\u7cfb\uff0c\u6211\u4eec\u7528\u7b28\u529e\u6cd5\u6765 debug \u5206\u6790\u4e00\u4e0b\u8fd9\u4e24\u6bb5\u4ee3\u7801\u7684\u8fd0\u884c\u65f6\u95f4\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u9996\u5148\u6211\u4eec\u6765\u770b\u7b2c\u4e00\u6bb5\u4ee3\u7801\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"736\" height=\"611\" src=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/07\/Peek-2020-07-06-23-45.gif\" alt=\"\" class=\"wp-image-5868\"\/><\/figure><\/div>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\uff0c\u6211\u4eec\u5728\u8fd9\u91cc\u6267\u884c\u4e86 68 \u6b21\uff08\u6bcf\u6b21\u90fd\u6267\u884c i+1 \u7684\u64cd\u4f5c\uff09\u624d\u627e\u5230\u6211\u4eec\u8981\u627e\u7684\u6570\uff0c\u5047\u8bbe\u6267\u884c\u4e00\u6b21\u6240\u9700\u8981\u7684\u65f6\u95f4\u4e3a t \uff0c\u90a3\u4e48\u8fd9\u6bb5\u4ee3\u7801\u7684\u8fd0\u884c\u65f6\u95f4\u53ef\u4ee5\u8fd9\u6837\u8868\u793a\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>T1 = 68t<\/p><\/blockquote>\n\n\n\n<p>ok\uff0c \u6211\u4eec\u4ee5\u540c\u6837\u7684\u65b9\u5f0f\uff0c\u6765 debug \u5206\u6790\u4e00\u4e0b\u7b2c\u4e8c\u6bb5\u4ee3\u7801\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"736\" height=\"611\" src=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/07\/Peek-2020-07-07-00-18.gif\" alt=\"\" class=\"wp-image-5869\"\/><\/figure><\/div>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u8fd9\u6bb5\u4ee3\u7801\u5f88\u5feb\uff0c 4 \u6b21\u5c31\u627e\u5230\u4e86\uff0c\u4e0d\u8fc7\u8fd9\u6bb5\u4ee3\u7801\u6bcf\u6b21\u90fd\u8fdb\u884c\u6298\u534a\u67e5\u8be2\uff0c\u6240\u4ee5\u5b83\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u5e94\u8be5\u662f\u8fd9\u4e48\u8868\u793a\u7684\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>T2 = log(100)t<\/p><\/blockquote>\n\n\n\n<p>\u56e0\u4e3a T1 &gt; T2 , \u6240\u4ee5\u8bf4\u7b2c\u4e8c\u6bb5\u4ee3\u7801\u7684\u8fd0\u884c\u6548\u7387\u6bd4\u8f83\u9ad8\u3002<\/p>\n\n\n\n<p>\u63a5\u7740\u6211\u4eec\u518d\u5047\u8bbe\u4e00\u4e0b\uff0c\u5982\u679c\u6211\u4eec\u4e0d\u6b62\u5728 100 \u4e2a\u6570\u91cc\u9762\u627e\u5462\uff1f\u6709\u8d85\u7ea7\u591a\u4e2a\uff0c\u591a\u5230 n \u4e2a\uff0c\u90a3\u4e48\u8fd9\u65f6\u5019\u5b83\u4eec\u7684\u590d\u6742\u5ea6\u5e94\u8be5\u8fd9\u4e48\u8868\u793a\u5bf9\u5427\uff1a<div style=\"text-align:center;border:1px dashed #FF9A9A;padding:8px;margin:10px auto;color:#FF6666;\">\u672c\u6587\u9690\u85cf\u5185\u5bb9 <a href=\"https:\/\/vip.fxxkpython.com\/wp-login.php?redirect_to=https%3A%2F%2Fvip.fxxkpython.com%2F%3Fp%3D5864\">\u767b\u9646<\/a> \u540e\u624d\u53ef\u4ee5\u6d4f\u89c8<\/div>ok\uff0c\u4f60\u5148\u628a\u8fd9\u4e9b\u65f6\u95f4\u590d\u6742\u5ea6\u7684\u8868\u793a\u65b9\u6cd5\u719f\u6089\u4e00\u4e0b\uff0c\u4e0b\u4e00\u7bc7\u518d\u7528\u4e00\u4e9b\u7b80\u5355\u7684 Python \u4ee3\u7801\u8ba9\u4f60\u719f\u6089\u4e00\u4e0b\u5927O\uff0c\u4ee5\u53ca\u5728\u4ee3\u7801\u76f8\u5bf9\u6765\u8bf4\u591a\u4e00\u4e9b\u7684\u60c5\u51b5\u4e0b\uff0c\u5e94\u8be5\u600e\u4e48\u53bb\u5206\u6790\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5230\u540e\u9762\uff0c\u6211\u4eec\u8981\u8ffd\u6c42\u7684\u662f\u81ea\u5df1\u5199\u7684\u4ee3\u7801\u6548\u7387\u5c3d\u91cf\u9ad8\uff0c\u5728\u6b64\u4e4b\u524d\uff0c\u5f53\u6211\u4eec\u4e00\u884c\u884c\u7684\u4ee3\u7801\u6572\u4e0b\u6765\u4e4b\u540e\uff0c\u5982\u4f55\u53bb\u8bc4\u4f30\u81ea\u5df1\u5199\u51fa\u7684\u4ee3\u7801\u6548\u7387\u5982\u4f55\u5462\uff1f \u8fd9\u65f6\u5019\u6211\u4eec\u8981\u5b66\u4f1a\u8bc4\u4f30\u4ee3\u7801\u7684\u8d28\u91cf\uff0c\u4e5f\u5c31\u662f\u5b83\u5feb\u4e48\uff1f\u5b83\u7701\u7a7a\u95f4\u4e48\uff1f 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