{"id":149895,"date":"2020-09-02T06:30:46","date_gmt":"2020-09-01T22:30:46","guid":{"rendered":"http:\/\/4563.org\/?p=149895"},"modified":"2020-09-02T06:30:46","modified_gmt":"2020-09-01T22:30:46","slug":"%e8%af%b7%e9%97%ae-n1-%e7%9a%84%e8%ae%a1%e7%ae%97%e6%96%b9%e5%bc%8f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=149895","title":{"rendered":"\u8bf7\u95ee N+1 \u7684\u8ba1\u7b97\u65b9\u5f0f"},"content":{"rendered":"
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\u8bf7\u95ee N+1 \u7684\u8ba1\u7b97\u65b9\u5f0f <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : Loooom <\/span> <\/i> 18<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
\u6bd4\u65b9\u8bf4 15 \u53f7\u6536\u5230\u901a\u77e5\uff0c\u516c\u53f8\u8981\u6c42\u5de5\u4f5c\u4ea4\u63a5\u5230 31 \u53f7\uff0c\u90a3\u4e48\u8fd9\u4e2a\u6708\u5e94\u8be5\u662f\u600e\u4e48\u8ba1\u7b97\u7684 N+1+1 \u8fd8\u662f N+1+0.5 <\/div>\n
\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (12<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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  • \n
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    \u8cc7\u6df1\u5927\u4f6c : lower <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    n \u4e0d\u662f\u6307\u7684\u5e74\u561b\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : coderluan <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5e94\u8be5\u662f N+1 (\u8d54\u507f) and 1 (\u5de5\u8d44) .<\/p>\n

    \u4f46\u662f\u5982\u679c\u516c\u53f8\u4e0d\u50bb X, \u8fd9\u4e8b\u5e76\u4e0d\u4f1a\u53d1\u751f, \u56e0\u4e3a\u518d\u8ba9\u4f60\u5f85\u534a\u4e2a\u6708, \u5c31\u53d8\u6210\u4e86 N (\u8d54\u507f) and 1.5(\u5de5\u8d44), \u5c11\u638f\u94b1\u8fd8\u80fd\u8ba9\u4f60\u518d\u5e72\u70b9\u6d3b. <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

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    \u8cc7\u6df1\u5927\u4f6c : renmu123 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5982\u679c\u63d0\u524d\u4e00\u4e2a\u6708\u901a\u77e5\u4f60\u79bb\u804c\uff0c\u6ca1\u6709 1\uff0c\u53ea\u6709 n \u3002\u8fd9\u4e2a\u6708\u5de5\u8d44\u6b63\u5e38\u53d1\u3002\u5177\u4f53+1 \u5c31\u662f\u8981\u53d1\u901a\u77e5\u4f60\u79bb\u804c\u540e 30 \u540e\u7684\u5de5\u8d44 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : ylsc633 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    N \u662f\u4f60\u5728\u8fd9\u5bb6\u516c\u53f8\u5de5\u4f5c\u7684\u5e74\u9650 \u5982\u679c\u516c\u53f8\u5927\u65b9\u70b9,\u4f1a\u56db\u820d\u4e94\u5165\u7684…. \u6bd4\u5982 \u56db\u5e74\u4e09\u4e2a\u6708 \u5c31\u662f 4.5 \u66f4\u5927\u65b9\u7684 \u76f4\u63a5 5<\/p>\n

    +1 \u662f\u901a\u77e5\u8d39 \u5982\u679c\u4f60\u8981\u6c42\u4e00\u4e2a\u6708\u540e\u518d\u8d70,\u6bd4\u5982 15 \u53f7\u901a\u77e5,\u4f60\u4e0b\u4e2a\u6708 15 \u53f7\u79bb\u804c,\u90a3\u4e48\u4f60\u5c31\u62ff\u4e0d\u5230\u8fd9\u4e2a+1 <\/p>\n

    \u5982\u679c\u8981\u4ea4\u63a5\u5230 31 \u53f7 \u6b63\u5e38\u6765\u8bf4 \u5e94\u8be5\u662f\u8fd9\u4e2a\u6708\u7684\u5de5\u8d44+N+1 \u770b\u4f60\u4eec\u516c\u53f8\u5177\u4f53\u7684\u4e86… <\/p>\n

    \u53e6\u5916,N \u662f\u4e0d\u7528\u6263\u7a0e\u7684.. +1 \u662f\u4e00\u4e2a\u6708\u5de5\u8d44,\u662f\u8981\u6263\u7a0e\u7684, \u4e24\u4e2a\u5e94\u8be5\u662f\u5206\u5f00\u7684.. <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

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    \u8cc7\u6df1\u5927\u4f6c : dtgxx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u95ee\u4e0b\u3002\u3002N+1 \u771f\u7684\u4f1a\u6536\u5230\u4e48\u3002\u3002\u4e00\u822c\u4e0d\u662f\u8ba9\u4e3b\u52a8\u79bb\u804c\u5417\uff0c\u4e0d\u79bb\u804c\u7684\uff0c\u4e5f\u6162\u6162\u628a\u4f60\u71ac\u5230\u4e3b\u52a8\u79bb\u804c\u3002\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
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    \u8cc7\u6df1\u5927\u4f6c : feng12345 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    N \u4e0d\u80fd\u8d85\u8fc7\u5f53\u5730\u53bb\u5e74\u6700\u9ad8\u5e73\u5747\u5de5\u8d44 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : feng12345 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @feng12345 \u8bf4\u9519\u4e86\uff0c\u662f\u6708\u5de5\u8d44 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : Loooom <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @renmu123
    @coderluan
    @ylsc633 \u611f\u8c22\uff0c\u73b0\u5728\u516c\u53f8\u8bf4\u662f\u5230 31 \u53f7 N+1+0.5\uff0c\u60f3\u77e5\u9053\u662f\u5426\u5408\u7406\u3002\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : coderluan <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Loooom \u4e0d\u5408\u6cd5, \u4f46\u662f\u5408\u7406, \u56e0\u4e3a\u5982\u679c\u4f60\u62d2\u7edd, \u5bf9\u65b9\u53ef\u4ee5\u8ba9\u4f60\u518d\u5f85\u534a\u4e2a\u6708, \u4e5f\u662f N+1.5, \u867d\u7136\u5408\u6cd5\u4e86, \u4f46\u662f\u5bf9\u4f60\u663e\u7136\u6ca1\u5565\u597d\u5904. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : renmu123 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Loooom \u6211\u89c9\u5f97\u633a\u5408\u7406\u7684\uff0c\u751a\u81f3\u8fd8\u591a\u4e86 0.5 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : Loooom <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @coderluan N+1+0.5 \u4e0d\u662f\u6307\u8d54\u507f\u54c8\uff0c1-15 \u53f7\u4e0d\u662f 0.5 \u4e86\u5417\uff0c\u8d54\u507f\u662f N+1 \u6ca1\u95ee\u9898\uff0c\u6211\u610f\u601d 15-31 \u53f7\u8fd9\u65f6\u95f4\u7b97\u4e0d\u7b97\u5de5\u8d44 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : coderluan <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Loooom \u5f53\u7136\u5f97\u7b97, \u6211\u611f\u89c9 2 \u6211\u5199\u7684\u633a\u6e05\u695a\u554a, \u90fd\u62ec\u53f7\u6807\u6ce8\u4e86. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u8bf7\u95ee N+1 \u7684\u8ba1\u7b97\u65b9\u5f0f \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\/149895"}],"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=149895"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/149895\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=149895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=149895"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=149895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}