{"id":134499,"date":"2020-07-20T15:12:15","date_gmt":"2020-07-20T07:12:15","guid":{"rendered":"http:\/\/4563.org\/?p=134499"},"modified":"2020-07-20T15:12:15","modified_gmt":"2020-07-20T07:12:15","slug":"%e5%a4%a7%e4%bd%ac%e4%bb%ac%e6%b1%82%e9%97%ae%e4%b8%80%e4%b8%8b-%e6%88%91%e6%9c%89%e4%b8%80%e4%b8%aa%e9%9c%80%e6%b1%82-python-%e8%83%bd%e5%ae%9e%e7%8e%b0%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=134499","title":{"rendered":"\u5927\u4f6c\u4eec\u6c42\u95ee\u4e00\u4e0b \u6211\u6709\u4e00\u4e2a\u9700\u6c42 Python \u80fd\u5b9e\u73b0\u5417\uff1f"},"content":{"rendered":"
\n
\n
\n

\u5927\u4f6c\u4eec\u6c42\u95ee\u4e00\u4e0b \u6211\u6709\u4e00\u4e2a\u9700\u6c42 Python \u80fd\u5b9e\u73b0\u5417\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : L4Liiyooooo <\/span> <\/i> 5<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
\u5982\u6211\u6709\u8fd9\u4e48\u4e00\u4e2a\u8868 \u884c\u4e3a a\uff0cb\uff0cc\uff0cd\uff0ce \u5217\u4e3a A,B,C,D,E \u5185\u5bb9\u90fd\u662f\u6570\u5b57
\u6211\u60f3\u4f7f\u884c a\uff0cb\uff0cc\uff0cd\uff0ce \u4efb\u610f(\u968f\u610f,\u968f\u673a)\u7ec4\u5408\u505a\u76f8\u52a0 \u6ee1\u8db3\u6bd4\u5982 A>1,B>2,C>3,D<4,E<5 \u7684\u51e0\u4e2a\u6761\u4ef6 \u6216\u8005\u5217\u51fa\u6240\u6709\u6ee1\u8db3\u6761\u4ef6\u7684\u7ec4\u5408 \u53ef\u4ee5\u4f7f\u7528 python \u8bbe\u8ba1\u4e00\u4e2a\u7b80\u5355\u7684\u7a0b\u5e8f\u5417\uff1f\u6709\u6ca1\u4ec0\u4e48\u4e66\u7c4d\u6216\u8005\u89c6\u9891\u53ef\u4ee5\u53c2\u8003\u7684\uff1f <\/div>\n

<\/p>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (22<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : laike9m <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u548c Python \u6709\u5565\u5173\u7cfb\uff1f\u96be\u9053\u4e0d\u5199 SQL \u4e48 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : laike9m <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u597d\u5427\u5f53\u6211\u6ca1\u8bf4\u3002\u5efa\u8bae\u628a\u8f93\u5165\u548c\u60f3\u8981\u7684\u8f93\u51fa\u5199\u6e05\u695a\uff0c\u8fd9\u6837\u624d\u597d\u56de\u7b54 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : gwy15 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6ca1\u770b\u61c2\u4f60\u5b9a\u4e49\u7684\u201c\u968f\u610f\u968f\u673a\u201d\u662f\u4ec0\u4e48\u610f\u601d\uff0c\u6211\u63cf\u8ff0\u4e0b\u6211\u7684\u7406\u89e3\u3002<\/p>\n

    \u77e9\u9635 A_ij \u662f 5×5 \u7684\u77e9\u9635\uff0c\u9009\u51fa\u5176\u4e2d\u82e5\u5e72\u884c\uff0c\u5c06\u884c\u5411\u91cf\u76f8\u52a0\uff0c\u5f97\u5230 a\uff0c\u8981\u6c42 a_0 > 1, a_1 > 2, etc.<\/p>\n

    \u5982\u679c\u662f\u6bcf\u884c 01 \u9009\u62e9\u7684\u8bdd\u76f4\u63a5\u4f4d\u8fd0\u7b97\u5c31\u884c\uff0c2^5 \u590d\u6742\u5ea6\uff1b
    \u5982\u679c\u662f\u6bcf\u884c\u90fd\u53ef\u4ee5\u82e5\u5e72\u6b21\u9009\u62e9\uff08\u7ebf\u6027\u7ec4\u5408\uff09\uff0c\u90a3\u5c31\u89e3\u4e94\u5143\u7ebf\u6027\u4e0d\u7b49\u5f0f\u5c31\u884c\u4e86\uff0c\u627e\u672c\u4f18\u5316\u65b9\u9762\u7684\u4e66\u770b\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : L4Liiyooooo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @laike9m \u6211\u4e0d\u61c2\u3002\u3002\u3002 \u6211\u60f3\u7740\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u7a0b\u5e8f \u6240\u4ee5\u89c9\u5f97\u5e94\u8be5\u8981\u7528 python \u5982\u679c sql \u53ef\u4ee5\u5b9e\u73b0\u7684\u8bdd\u4e5f\u53ef\u4ee5\u7684 \u53ea\u8981\u80fd\u5b9e\u73b0 \u7528\u5565\u90fd\u884c\u3002\u3002\u3002 \u62b1\u6b49\u521a\u624d\u4e0d\u4f1a\u53d1\u56fe\u7247 \u6211\u4ee5\u4e3a\u4e0d\u80fd\u53d1
    \u8fd9\u4e2a\u8868\u683c
    \"\u5927\u4f6c\u4eec\u6c42\u95ee\u4e00\u4e0b <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : L4Liiyooooo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @gwy15 \u6bd4\u5982 a+b+c \u6216\u8005 a+b+e \u540c\u65f6\u6ee1\u8db3\u6761\u4ef6 \u56e0\u4e3a\u6211\u60f3\u4e00\u6b21\u8f93\u51fa\u4e00\u4e2a\u7ed3\u679c \u6240\u4ee5\u8bf4\u968f\u610f\uff0c\u968f\u673a
    \u5927\u4f6c\u4f60\u8fd9\u65b9\u6cd5\u5bf9\u6211\u6765\u8bf4\u6709\u70b9\u56f0\u96be\u4e86 \u6211\u770b\u4e0d\u61c2\u3002\u3002\u3002 \u5982\u679c\u9700\u8981\u8fd9\u4e48\u96be\u7684\u8bdd \u6211\u8fd8\u662f\u6682\u65f6\u5148\u653e\u5f03\u4e86\u3002\u3002\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Yourshell <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u641c\u7d22 subset sum <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : MOONLIGHTT <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    pandas \u6216\u8005 numpy <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Counter <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u5f88\u60f3\u5e2e\u4f60\uff0c\u4f46\u662f\u5b9e\u5728\u4e0d\u61c2\u4f60\u5728\u8bf4\u4ec0\u4e48\uff0c\u8c01\u7406\u89e3\u4e86\u8bf4\u4e0b <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : jstony <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u8fd8\u8981 python\uff0c\u592a\u6740\u9e21\u7528\u725b\u5200\u4e86\u5427\uff0cexcel \u7684\u7b5b\u9009\u4e0d\u597d\u7528\u5417 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : aloxaf <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u76f4\u63a5\u7528\u73b0\u6210\u7684 SAT Solver \u5373\u53ef\uff0c\u6bd4\u5982 z3<\/p>\n

    https:\/\/fars.ee\/rJgx\/py <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : AX5N <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u731c\u4e3b\u662f\u8fd9\u4e2a\u610f\u601d
    “`
    for i in list:
    if list[0] > 1 and list[1] > 2 and list[2] > 3 and list[3] > 4 and list[4]>5:
    print (i)
    “` <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : AX5N <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @AX5N \u6253\u9519\uff0c\u5e94\u8be5\u662f if i[0]………………. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : nuistzhou <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u731c\u4e3b\u968f\u673a\u7684\u610f\u601d\u662f\u4ece\u6240\u6709\u201c\u884c\u201d\u91cc\u6311\u51fa\u6ee1\u8db3\u8fd9\u4e9b\u201c\u5217\u201d\u6761\u4ef6\u7684\u3002\u8fd9\u73a9\u610f SQL \u6216\u8005 Pandas \u5f88\u5feb\u89e3\u51b3\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : L4Liiyooooo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @jstony \u4e00\u5f00\u59cb\u6211\u662f\u60f3\u8bbe\u8ba1\u4e00\u4e2a\u53ef\u4ee5\u968f\u673a\u8f93\u51fa\u4e00\u4e2a\u6ee1\u8db3\u6761\u4ef6\u7684\u7ec4\u5408\u7684\u7a0b\u5e8f\u3002\u3002\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : L4Liiyooooo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Counter \u8c22\u8c22
    \"\u5927\u4f6c\u4eec\u6c42\u95ee\u4e00\u4e0b
    \u8fd9\u662f\u6211\u7f16\u8f91\u7684\u4e00\u4e2a\u793a\u4f8b \u5c31\u662f A,B,C,D,E \u90fd\u6709\u4e00\u4e2a\u6807\u51c6\u503c\uff08\u80af\u5b9a\u5927\u4e8e\u5355\u72ec\u4e00\u884c\u7684\u6570\u503c\uff09
    \u7136\u540e\u4efb\u610f\u884c\u76f8\u52a0 \u5927\u4e8e\u6216\u7b49\u4e8e\u6807\u51c6\u503c \u5373\u4e3a\u4e00\u79cd\u7ec4\u5408 \u6bd4\u5982 a+b\uff0ca+c+d \u7b49\u7b49
    \u6211\u60f3\u627e\u51fa\u6240\u6709\u7684\u7ec4\u5408 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : aloxaf <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53ea\u51fa\u73b0\u4e00\u6b21\u7684\u8bdd\uff0c\u76f4\u63a5\u7a77\u4e3e\u4e0d\u5c31\u884c\u4e86\u3002\u3002\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : flamehaze <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6ca1\u592a\u770b\u61c2\uff0c\u4f46\u662f\u6211\u9690\u7ea6\u89c9\u5f97 excel \u81ea\u5e26\u7684\u529f\u80fd\u5c31\u80fd\u5b8c\u6210\uff0cexcel \u91cc\u4e5f\u80fd\u7f16\u7a0b\u7684\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : volvo007 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e3b\u7684\u6761\u4ef6\u662f\uff0c\u4efb\u610f\u884c\u76f8\u52a0\u5927\u4e8e\u6807\u51c6\u503c\u5c31\u53ef\u4ee5
    \u4f46\u662f\u4e3b\u60f3\u8fc7\u6ca1\u6709\uff0c\u4f60\u73b0\u5728\u6709 200 \u884c\u2026\u2026\u8981\u6253\u5370\u51fa\u6240\u6709\u7684\u7ec4\u5408\u4f60\u7b97\u8fc7\u6709\u591a\u5c11\u79cd\u5417\u2026\u2026\u8bf4\u5f97\u8f7b\u5de7\u554a\u2026\u2026\u6700\u574f\u60c5\u51b5\u53ef\u662f 200 \uff01 200 \u7684\u9636\u4e58\u554a\u2026\u2026<\/p>\n

    \u6211\u5efa\u8bae\u4f60\u627e\u5230\u4e00\u4e2a\u6ee1\u8db3\u6761\u4ef6\u7684\u5c31\u6536\u624b\uff0c\u5168\u6253\u5370\u51fa\u6765\u592a\u5929\u771f\u4e86<\/p>\n

    \u5982\u679c\u662f\u968f\u673a\u63d0\u4f9b\u884c\u6570\uff0c\u4f60\u8fd9\u91cc 0-200 \u884c\u9009\u54ea\u4e9b\u884c\u4e0d\u786e\u5b9a\uff0c200 \u884c\u91cc\u9762\u6bcf\u6b21\u9009\u591a\u5c11\u884c\u51fa\u6765\u4e5f\u4e0d\u786e\u5b9a\uff0c\u4e0d\u8fc7\u7528\u4e24\u6b21\u968f\u673a\u6570\u5c31\u53ef\u4ee5\u4e86\u3002\u7528 np.random.randint(200) \u53ef\u4ee5\u751f\u6210\u4e00\u4e2a 200 \u5185\u7684\u968f\u673a\u6574\u6570 N \u4f5c\u4e3a\u9700\u8981\u76f8\u52a0\u7684\u884c\u6570\uff0c\u7528 np.random.choice(range(200), N) \u5c31\u53ef\u4ee5\u4ece 200 \u884c\u5f53\u4e2d\u4e0d\u91cd\u590d\u9009\u51fa\u8fd9\u968f\u673a\u7684 N \u884c<\/p>\n

    \u7136\u540e\u5f97\u5230\u7684\u884c\u6570\u662f\u4e00\u4e2a\u6570\u7ec4\uff0c\u53ef\u4ee5\u7528 df.iloc[ list, :].sum(axis=0) \u7b97\u51fa\u8fd9\u4e9b\u968f\u673a\u884c\u7684\u6bcf\u4e00\u5217\u7684\u548c<\/p>\n

    \u4e4b\u540e\u548c\u4f60\u7684\u6807\u51c6\u503c\u6bd4\u8f83\u5c31\u53ef\u4ee5\u4e86<\/p>\n

    \u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u5faa\u73af\u591a\u6b21\u3002\u6211\u4f30\u8ba1\u4e0d\u5230\u4e00\u79d2\u5c31\u80fd\u627e\u5230\u5176\u4e2d\u7684\u4e00\u4e2a\u7ec4\u5408\u3002\u4f60\u8981\u628a\u7ec4\u5408\u5168\u6253\u5370\u51fa\u6765\u6211\u771f\u529d\u4f60\u653e\u5f03\u2026\u2026 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : L4Liiyooooo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @volvo007 \u770b\u660e\u767d\u4e86 \u662f\u8fd9\u4e48\u4e2a\u4e8b\u554a \u5389\u5bb3\u5389\u5bb3 \u53d7\u6559\u4e86\uff01 \u611f\u8c22\u611f\u8c22\uff01 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : L4Liiyooooo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @volvo007 \u9009\u54ea\u4e9b\u884c\u90fd\u884c \u9009\u591a\u5c11\u884c\u76f8\u52a0\u4e5f\u53ef\u4ee5 \u53ea\u8981\u6ee1\u8db3\u6761\u4ef6\u5373\u53ef \u6211\u81ea\u5df1\u90fd\u6ca1\u63cf\u8ff0\u6e05\u695a\uff01\u4f60\u5e2e\u6211\u8bf4\u6e05\u695a\u4e86 \u611f\u8c22\uff01 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : aijam <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u7a83\u4ee5\u4e3a\uff0c\u8003\u8651\u8fd9\u4e2a\u95ee\u9898\u7684\u6ee1\u8db3(satisfaction)\u95ee\u9898\u7248\u672c\uff1a\u5224\u65ad\u662f\u5426\u5b58\u5728\u4efb\u610f\u4e00\u4e2a\u884c\u7684\u7ec4\u5408\uff0c\u6ee1\u8db3\u6240\u6709\u5217\u7684\u7ea6\u675f\u6761\u4ef6\u3002\u53ef\u4ee5\u5f88\u5bb9\u6613\u7684 reduce \u6210 SAT \u95ee\u9898\uff0c\u6240\u4ee5\u53ef\u4ee5\u80af\u5b9a\u662f\u4e00\u4e2a NP \u95ee\u9898\u3002\u5982\u6b64\u4e00\u6765\uff0c\u57fa\u672c\u53ea\u80fd\u9760\u4e00\u4e9b heuristics \u6765\u526a\u679d\u641c\u7d22\u7a7a\u95f4\u4e86\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yongzhenchen682 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6d4b\u8bd5\u4e0d\u80fd\u7a77\u4e3e,\u7b49\u4ef7\u7c7b\u5212\u5206\u4e00\u4e0b <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u5927\u4f6c\u4eec\u6c42\u95ee\u4e00\u4e0b \u6211\u6709\u4e00\u4e2a\u9700\u6c42 Py…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/134499"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=134499"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/134499\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=134499"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=134499"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=134499"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}