{"id":216663,"date":"2020-11-24T21:25:17","date_gmt":"2020-11-24T13:25:17","guid":{"rendered":"http:\/\/4563.org\/?p=216663"},"modified":"2020-11-24T21:25:17","modified_gmt":"2020-11-24T13:25:17","slug":"%e6%83%b3%e8%af%b7%e6%95%99%e4%b8%8b%e4%b8%80%e9%81%93%e9%9d%a2%e8%af%95%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=216663","title":{"rendered":"\u60f3\u8bf7\u6559\u4e0b\u4e00\u9053\u9762\u8bd5\u9898"},"content":{"rendered":"
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\u60f3\u8bf7\u6559\u4e0b\u4e00\u9053\u9762\u8bd5\u9898 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : sextoybie <\/span> <\/i> 2<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
\u8bf7\u6559\u4e0b \u5171\u4eab\u7535\u52a8\u8f66\uff0c \u5c0f\u660e\u548c\u5c0f\u534e\u4f4f\u540c\u4e00\u8857\u4e0a \u76f8\u9694 X \u7c73\u3002 \u4ece\u5c0f\u660e\u5230\u5c0f\u534e\u7684\u8def\u4e0a \u6709 n \u8f86\u7535\u52a8\u8f66 \u5206\u522b\u5728 p1, p2, …pn \u70b9\u4e0a\u3002 <\/p>\n

\u6bcf\u4e00\u7535\u52a8\u8f66\u7684\u7535\u91cf \u4e0d\u540c\u5bfc\u81f4\u6bcf\u8f86\u8f66\u53ef\u8d70\u7684\u7c73\u6570\u4e0d\u540c\uff0cd1, d2, … dn. (\u4ece P* \u70b9\u5f00\u59cb\u7b97\uff09 \u5c0f\u660e\u53ef\u4ee5\u786e\u4fdd\u7684\u662f \u6bcf\u4e24\u8f86\u76f8\u9694\u7684\u8f66\uff0c\u90fd\u6709\u5145\u8db3\u7684\u7535\u91cf\u4ece\u4e0a\u4e00\u8f86\u5230\u8fbe\u4e0b\u4e00\u8f86 \uff0c \u5c0f\u534e\u53ef\u4ee5\u786e\u4fdd\u6700\u9760\u8fd1\u5c0f\u534e\u5bb6\u7684\u90a3\u8f86\u8f66 \u6709\u8db3\u591f\u7684\u7535 \u91cf\u5230\u4ed6\u5bb6\u4ece\u90a3\u70b9\u51fa\u53d1.<\/p>\n

\u6bcf\u8f86\u8f66\u90fd\u6709\u4e0d\u540c\u7684\u542f\u52a8\u91d1 C1, C2, …Cn \u548c\u6bcf\u7c73\u7684\u4ef7\u94b1 m1, m2, m3…mn. (\u5c31\u662f\u5982\u679c\u5c0f\u660e \u542f\u52a8 \u7535\u52a8\u8f66 2 ,\u9a91\u4e86 4 \u7c73 \u90a3\u4e48\u5c0f\u660e\u5c31\u662f\u6d88\u8d39\u4e86 C2+ 4 * m2 \u3002 <\/p>\n

\u5f53\u7136\u6bcf\u5f53\u5c0f\u660e\u9047\u5230\u4e00\u8f86\u7535\u52a8\u8f66\uff0c \u5c0f\u660e\u90fd\u9009\u62e9\u6362\u9a91\u3002
\u5c0f\u660e\u5bb6\u91cc\u6709\u4e00\u8f86\u7535\u52a8\u8f66\u4e86\uff0c \u5c0f\u660e\u4e3a\u4ed6\u51b2\u7535\u7684\uff0c\u6240\u4ee5\u6ca1\u6709\u542f\u52a8\u8d39\uff0c \u5b83\u53ef\u4ee5\u8ba9\u5c0f\u660e\u9a91\u5230 P0 \u7c73 \u4ee5\u6bcf\u7c73 m0 \u7684\u4ef7\u683c <\/p>\n

\u8eab\u4e3a\u521a\u6bd5\u4e1a\u7684\u5c0f\u660e \u5982\u4f55\u6700\u4f4e\u6210\u672c\u4ece\u4ed6\u5bb6\u5f00\u59cb\u51fa\u53d1\u5230\u5c0f\u534e\u5bb6 \u540c\u65f6\u5fc5\u987b\u4f7f\u7528\u7535\u52a8\u8f66\u4f5c\u4e3a\u5de5\u5177\u5462\uff1f <\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (34<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yzbythesea <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u56fe\u662f\u4e2a DAG \uff1f\u8fd9\u4e0d\u662f\u62d3\u6251\u6392\u5e8f\u5417\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Herobs <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u52a8\u6001\u89c4\u5212\uff0c\u72b6\u6001\u662f\u6bcf\u4e00\u8f86\u9009\u62e9\u9a91\u6216\u8005\u4e0d\u9a91\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sextoybie <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @yzbythesea \u662f\u7684\uff0cDAG. \u8be5\u5982\u4f55\u8dd1\u5462\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sextoybie <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5f53\u7136\u6bcf\u5f53\u5c0f\u660e\u9047\u5230\u4e00\u8f86\u7535\u52a8\u8f66\uff0c \u5c0f\u660e\u90fd\u9009\u62e9\u6362\u9a91\u3002
    \u6539\u4e3a
    \u5f53\u7136\u6bcf\u5f53\u5c0f\u660e\u9047\u5230\u4e00\u8f86\u7535\u52a8\u8f66\uff0c \u5c0f\u660e\u90fd\u53ef\u4ee5\u9009\u62e9\u6362\u9a91\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sextoybie <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Herobs \u53ef\u4ee5\u8bf4\u7684\u8be6\u7ec6\u70b9\u5417\uff1f \u662f\u7684 \u57fa\u672c\u7684\u7406\u89e3\u9898\u76ee \u548c\u9700\u8981 \u90fd\u660e\u767d\u70b9\uff0c \u5c31\u662f\u5199\u4e0d\u51fa\u6765\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : dartabe <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u597d\u7b80\u5355\u7684\u52a8\u6001\u89c4\u5212 \u5982\u679c\u6211\u6ca1\u7406\u89e3\u9519<\/p>\n

    \u5f53\u524d\u4ef7\u683c = \u5230\u8fbe\u524d\u4e00\u70b9\u7684\u6700\u4f4e\u4ef7\u683c + min(\u6240\u6709\u53ef\u7528\u7684\u8f66\u4ece\u524d\u4e00\u70b9\u5230\u5f53\u524d\u4e00\u70b9\u7684\u4ef7\u683c) <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : dartabe <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u9519\u4e86 \u597d\u50cf\u4e0d\u5bf9 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : dartabe <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53ef\u80fd\u662f dfs \u76f4\u63a5\u7b97 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sextoybie <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @dartabe dfs \u76f4\u63a5\u7b97 \u4e0d\u80fd\u5427\uff0c \u9700\u8981\u52a8\u6001\u89c4\u5212\uff08\u5427\uff09 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : dartabe <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @sextoybie \u52a8\u89c4\u597d\u50cf\u4e0d\u884c \u524d\u9762\u7684\u9009\u62e9\u4f1a\u5f71\u54cd\u540e\u9762\u7684\u72b6\u6001 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : dartabe <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u7c7b\u4f3c\u4e8e leetcode \u5168\u6392\u5217 \u622a\u6b62\u6761\u4ef6\u4e0d\u4e00\u6837 \u5f53\u7136\u6211\u5c31 leetcode 100 \u9898\u6c34\u5e73 \u9ad8\u624b\u6765\u770b\u4e0b <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sextoybie <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @dartabe \u52a8\u6001\u89c4\u5212 \u662f\u53ef\u4ee5\u7684, \u9762\u8bd5\u65f6\u7684\u63d0\u793a\u3002\u8fd8\u662f\u8c22\u8c22\u5927\u4f6c\u7684\u70b9\u51fb\u548c\u5206\u4eab <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yzbythesea <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @sextoybie DFS \u53ef\u4ee5\u5427\uff0c\u53ea\u662f\u6bd4\u8f83\u7b28\u3002<\/p>\n

    \u5148\u62d3\u6251\u6392\u5e8f\uff0c\u7136\u540e\u5fc5\u7ecf\u70b9\u5f97\u9009\uff0c\u51e1\u975e\u5fc5\u7ecf\u70b9\u513f\u4e4b\u95f4\uff0c\u9009\u6700\u77ed\u7684\u7ec4\u5408\u3002<\/p>\n

    \u5f53\u7136\u6211\u73b0\u5728\u89c9\u5f97\u8fd9\u53ef\u80fd\u4e0d\u662f\u4e00\u4e2a DAG\uff0c\u90a3\u4f60\u4e5f\u53ef\u4ee5\u7528 Dijkstra \u505a <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yzbythesea <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u597d\u5947\u4e0b\u8fd9\u662f\u54ea\u5bb6\u7684\u9762\u8bd5\u9898\uff0c\u96be\u5ea6\u6709\u70b9\u7206\u70b8\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : youngzy <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8bb0\u5f55\u5230\u6bcf\u4e2a\u8282\u70b9\u65f6\u7684\u6700\u5c0f\u82b1\u8d39\uff0c\u7528\u5230\u5f53\u524d\u8282\u70b9\u7684\u82b1\u8d39\u66f4\u65b0\u540e\u7eed\u53ef\u5230\u8fbe\u8282\u70b9\u7684\u6700\u5c0f\u82b1\u8d39\u3002\u6700\u7ec8\u7ed3\u679c\u5373\u4e3a\u6700\u7ec8\u8282\u70b9\u8bb0\u5f55\u7684\u6700\u5c0f\u82b1\u8d39\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sextoybie <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @youngzy \u55ef \u4e5f\u662f\u8fd9\u6837\u60f3\u7684\uff0c \u5c31\u662f\u9700\u8981\u5148\u8dd1 DP \u7b97\u51fa\u5230\u6bcf\u4e2a\u8282\u70b9\u65f6\u7684\u6700\u5c0f\u82b1\u8d39\u3002 \u7136\u540e\u5f53\u56fe\u662f DAG\uff0c \u5728\u8dd1\u4e00\u6b21\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : xuanbg <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5c0f\u660e\u80fd\u591f\u786e\u4fdd\u7684\u662f\u6bcf\u4e24\u8f86\u76f8\u9694\u7684\u8f66\uff0c\u90fd\u6709\u5145\u8db3\u7684\u7535\u91cf\u4ece\u4e0a\u4e00\u8f86\u5230\u8fbe\u4e0b\u4e00\u8f86 \uff0c\u6240\u4ee5\u5fc5\u987b\u9009\u62e9\u6362\u9a91\u554a\u3002\u6700\u4f4e\u6210\u672c\u6709\u5f97\u9009\u5417\uff1f\u65e0\u975e\u5c31\u662f\u81ea\u5df1\u5bb6\u91cc\u7684\u8f66\u5c3d\u91cf\u9a91\u8fdc\u4e00\u70b9\u5457\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sextoybie <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @xuanbg \u5c0f\u660e\u80fd\u591f\u786e\u4fdd\u7684\u662f \u4e0a\u8f86\u8f66\u81f3\u5c11\u6709\u8db3\u591f\u7535\u91cf\u5230\u4e0b\u8f86\u8f66\uff0c \u662f\u5426\u80fd\u5230\u4e0b\u4e0b\u8f86 \/ \u4e0b\u4e0b\u4e0b\u8f86 \u56e0\u8f66\u800c\u5f02\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : futou <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5982\u679c\u6211\u6ca1\u7406\u89e3\u9519\u7684\u8bdd\uff0c\u9898\u76ee\u6307\u7684\u662f\u8f66\u53ef\u4ee5\u4ece p1 \u9a91\u5230 p2 \u6216 p3\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002p0 \u8c8c\u4f3c\u4e00\u5b9a\u8981\u9a91\u5230 p1\uff0c\u4e0d\u8fc7\u65e0\u8bba\u600e\u6837\u4e0d\u5f71\u54cd\u89e3\u9898\u3002
    \u5982\u679c\u662f\u8fd9\u6837\u7684\u8bdd\uff0c\u8fd9\u79cd\u7ed3\u6784\u592a\u7b80\u5355\u4e86\u90fd\u7528\u4e0d\u4e0a DAG…<\/p>\n

    if \u7ec8\u70b9\u662f\u5947\u6570
    \u904d\u5386\u8ba1\u7b97\u4e24\u4e2a\u76f8\u90bb\u5947\u6570\u70b9\u4e4b\u95f4\u7684\u6700\u77ed\u8def\u5f84
    \u6c42\u548c
    else
    1. \u540c\u5947\u6570\u5904\u7406\uff0c\u7136\u540e\u5947\u6570\u6700\u77ed\u8def\u5f84+\u6700\u540e\u4e00\u6bb5\u8ddd\u79bb
    2. \u5224\u65ad\u76f8\u90bb\u5076\u6570\u70b9\u4e24\u4e24\u6700\u77ed\u8def\u5f84+p1 \u5230 p2 \u8ddd\u79bb
    \u6bd4\u8f83 1. 2.\u53d6\u6700\u77ed <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ilunny <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u611f\u89c9\u6709\u70b9\u50cf\u8def\u7531\u5bfb\u5740 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : xuanbg <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u9898\u76ee\u547d\u9898\u4e0d\u591f\u660e\u786e\uff0c\u6ca1\u8bf4\u5c0f\u660e\u5230\u5c0f\u534e\u5bb6\u4e0d\u662f\u4e00\u6761\u8def\u3002\u3002\u3002\u771f\u662f\u4ee4\u4eba\u5934\u79c3<\/p>\n

    \u6bcf\u4e2a\u76f8\u90bb\u70b9\u90fd\u76f8\u540c\uff0c\u53ea\u662f\u4ee3\u4ef7\u4e0d\u540c\u3002\u8fd9\u4e0d\u5c31\u662f\u6c42\u6700\u77ed\u8def\u5f84\u5417\uff1f A*\u7b97\u6cd5\u5c31\u662f\u6700\u7b80\u5355\u7684\u5b9e\u73b0\u4e86\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : xuanbg <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @sextoybie \u5f53\u7136\u6bcf\u5f53\u5c0f\u660e\u9047\u5230\u4e00\u8f86\u7535\u52a8\u8f66\uff0c \u5c0f\u660e\u90fd\u9009\u62e9\u6362\u9a91\u3002 \u8fd9\u662f\u9898\u76ee\u91cc\u9762\u7684\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : futou <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    #19 \u56de\u590d\u5b8c\u770b\u5230\u4e86#18 \u8865\u5145\u4fe1\u606f 2333\uff0c\u53c2\u7167#15 \u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : xuanbg <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @xuanbg \u8fd9\u9898\u76ee\u547d\u9898\u4e0d\u591f\u660e\u786e\uff0c\u6ca1\u8bf4\u5c0f\u660e\u5230\u5c0f\u534e\u5bb6\u4e0d\u662f\u4e00\u6761\u8def\u3002\u3002\u3002\u771f\u662f\u4ee4\u4eba\u5934\u79c3<\/p>\n

    \u6bcf\u4e2a\u76f8\u90bb\u70b9\u90fd\u76f8\u901a\uff0c\u53ea\u662f\u4ee3\u4ef7\u4e0d\u540c\u3002\u8fd9\u4e0d\u5c31\u662f\u53d8\u76f8\u7684\u6c42\u6700\u77ed\u8def\u5f84\u5417\uff1f\u4e24\u70b9\u95f4\u7684\u4ee3\u4ef7\u5c31\u662f\u542f\u52a8\u8d39+\u91cc\u7a0b\u8d39\uff0c\u8fd9\u4e2a\u4ee3\u4ef7\u7b49\u540c\u8ddd\u79bb\u3002A*\u7b97\u6cd5\u5c31\u662f\u6700\u7b80\u5355\u7684\u5b9e\u73b0\u4e86\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : misdake <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u9a91\u5230 i \u70b9\u4e0b\u8f66\u7684\u6700\u5c0f\u4ee3\u4ef7 cost[i] = min { cost[j] + \u9a91 j \u8f66\u5230 i \u70b9\u7684\u4ee3\u4ef7 }\uff0cj \u4ece\u7535\u91cf\u9a91\u5230 i \u70b9\u7684\u8f66\u91cc\u9009\uff0c\u628a\u6bcf\u4e2a\u70b9\u9009\u62e9\u7684 j \u5b58\u4e0b\u6765\u6700\u540e\u53cd\u67e5 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : hejw19970413 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8d2a\u5fc3\u5c31\u53ef\u4ee5 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : youngzy <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @sextoybie
    \u53ef\u4ee5\u5728 dp \u7684\u65f6\u5019\u540c\u65f6\u8bb0\u5f55\u8f6c\u79fb\u5230\u8be5\u8282\u70b9\u7684\u8282\u70b9\u7f16\u53f7\uff08\u4e5f\u5c31\u662f\u5f53\u524d\u7684\u6700\u4f18\u89e3\u662f\u4ece\u54ea\u4e2a\u8282\u70b9\u8f6c\u79fb\u8fc7\u6765\u7684\uff09\uff0c\u8fd9\u6837\u5728 dp \u7ed3\u675f\u7684\u65f6\u5019\u4f60\u5c31\u6709\u4e86\u4e00\u4e2a\u53cd\u5411\u7684\u8def\u5f84\u94fe\uff0c\u6709\u9700\u8981\u7684\u8bdd\u53ef\u4ee5\u8fdb\u4e00\u6b65\u5904\u7406 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : zifangsky <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5148\u5047\u8bbe\u4ece P(m) \u5230\u5176\u540e\u7684\u67d0\u4e00\u4e2a\u70b9 P(n) \u90fd\u53ef\u4ee5\u8fde\u901a\uff0c\u753b\u51fa\u4e00\u4e2a\u6709\u5411\u65e0\u73af\u56fe\uff0c\u7136\u540e\u6839\u636e\u300c\u4e0d\u540c\u5bfc\u81f4\u6bcf\u8f86\u8f66\u53ef\u8d70\u7684\u7c73\u6570\u4e0d\u540c\u300d\u4e2d\u7684 d1 d2 … dn \u628a\u4e0d\u53ef\u884c\u7684\u8fb9\u53bb\u6389\uff0c\u6700\u540e\u5c31\u53d8\u6210\u6c42 \u6700\u77ed\u8def\u95ee\u9898 \u4e86\uff08\u5176\u4e2d\u6bcf\u4e2a\u8fb9\u7684\u8fb9\u957f\u7531 C1 C2 … Cn \u548c m1 m2 … mn \u786e\u5b9a\uff09 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yazoox <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u4e2a\u9898\u76ee\u6709\u96be\u5ea6\uff0c\u6709\u610f\u601d\u3002\u5b66\u4e60\u4e00\u4e0b\u3002
    \u770b\u770b\u6709\u6ca1\u6709\u5927\u795e\u5e16\u4ee3\u7801\u51fa\u6765\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : dartabe <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u53c8\u60f3\u4e86\u4e0b dp \u53ef\u4ee5\u505a \u4e0d\u8fc7\u8981\u7ef4\u62a4\u4e00\u4e2a dp \u6570\u7ec4\u5c31\u53ef\u4ee5\u4e86<\/p>\n

    j = \u8f66\u8f86\u6570\u76ee
    dp \u6570\u636e\u957f\u5ea6 j
    \u4ece\u5c3e\u5230\u5934\u904d\u5386\u6240\u6709\u8f66:
    dp[\u5f53\u524d\u5730\u70b9] = min(\u5f53\u524d\u8f66\u80fd\u5230\u8fbe\u7684\u6240\u6709\u70b9 + dp[\u5f53\u524d\u8f66\u80fd\u5230\u8fbe\u7684\u6240\u6709\u70b9]) <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : jsun <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u52a8\u6001\u89c4\u5212\uff0c\u5148\u7ef4\u62a4\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u8868\u793a\u80fd\u5230\u8fbe\u8be5\u70b9\u7535\u52a8\u8f66\uff0c\u4f8b\u5982\u80fd\u9a91\u5230 P6 \u7684\u662f P3 \u548c P5\uff0c\u5219 A[6]=[3,5]\u3002\u7136\u540e\u5217 dp \u516c\u5f0f\uff0cdp[6]=Min((P6-P5)*m5+C5+dp[5],(P6-P3)*m3+C3+dp[3]) \u3002dp[n]=\u904d\u5386 A[n],\u6c42\u6700\u5c0f\u503c min <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : newtype0092 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6709 test case \u4e48\uff1f\u6709\u70b9\u601d\u8def\u4f46\u662f\u8fd8\u9700\u8981\u8c03\u8bd5\u4e00\u4e0b\uff0c\u4e0a\u9762\u51e0\u4f4d\u7684\u89e3\u6cd5\u4e5f\u4e0d\u592a\u597d\u9a8c\u8bc1\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : hitmanx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @jsun \u6211\u7684\u601d\u8def\u548c\u4f60\u4e00\u6837\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : shunconf <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u7531\u4e8e\u8981\u6362\u8f66\uff0c\u5c0f\u660e\u9009\u62e9\u516c\u4ea4\u8f66\u76f4\u8fbe <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u60f3\u8bf7\u6559\u4e0b\u4e00\u9053\u9762\u8bd5\u9898 \u8cc7\u6df1\u5927\u4f6c : …<\/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\/216663"}],"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=216663"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/216663\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=216663"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=216663"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=216663"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}