{"id":217903,"date":"2020-12-05T14:57:21","date_gmt":"2020-12-05T06:57:21","guid":{"rendered":"http:\/\/4563.org\/?p=217903"},"modified":"2020-12-05T14:57:21","modified_gmt":"2020-12-05T06:57:21","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e6%88%91%e8%bf%99%e4%b9%88%e5%86%99%e4%bc%9a%e6%8a%a5%e6%95%b0%e7%bb%84%e8%b6%8a%e7%95%8c%e7%9a%84%e9%94%99%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=217903","title":{"rendered":"\u4e3a\u4ec0\u4e48\u6211\u8fd9\u4e48\u5199\u4f1a\u62a5\u6570\u7ec4\u8d8a\u754c\u7684\u9519\uff1f"},"content":{"rendered":"
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\u4e3a\u4ec0\u4e48\u6211\u8fd9\u4e48\u5199\u4f1a\u62a5\u6570\u7ec4\u8d8a\u754c\u7684\u9519\uff1f <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : gzk329 <\/span> <\/i> 0<\/span> <\/div>\n
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if ((long) i * i < n) {                     for (int j = i * i; j < n; j += i) {                         isPrime[j] = 0;                     }                 } <\/code><\/pre>\n
\u4e0a\u9762\u662f\u5b98\u65b9\u7684<\/p>\n
while((long) (i * (i + k)) < n){                         isPrime[i * (i + k)] = 0;                         k++;                     } <\/code><\/pre>\n
\u4e3a\u4ec0\u4e48\u6211\u8fd9\u4e48\u5199\u4f1a\u62a5\u6570\u7ec4\u8d8a\u754c\u7684\u9519\uff1f<\/p>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (7<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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     \u8cc7\u6df1\u5927\u4f6c : zvl0reqglvd <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5e94\u8be5\u6ca1\u95ee\u9898\u554a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : raaaaaar <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u624b\u673a\u4e0a\u770b\u7740\u8981\u547d                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : geelaw <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6ea2\u51fa\u8fc7\u4e86\u518d\u8f6c\u6362\uff0c\u4e0d\u4f1a\u64a4\u9500\u6ea2\u51fa\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : 23571113 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4f60\u628a j \u7684\u503c\u6253\u5370\u51fa\u6765\u770b\u770b\uff0c\u662f\u4e0d\u662f\u53d8\u6210\u8d1f\u7684\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : gzk329 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 n \u53d6 499979
    \u6253\u5370\uff1ai * (i + k)
    \u6253\u5370\u7ed3\u679c\uff1a
    …..
    495607
    496308
    497009
    497710
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    -2146737495<\/p>\n
    \u786e\u5b9e                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : across <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e0a\u9762\u8bf4\u6ea2\u51fa\u5df2\u7ecf\u6307\u660e\u4e86\u5427\u3002<\/p>\n
    \u5565\u8bed\u8a00\uff1f\u8fd9\u91cc long \u5e94\u8be5\u662f 64 \u4f4d\u957f\u5ea6\u7684\u5427\uff0c(long) i * i \u662f long * int => long,\u6ca1\u6709\u6ea2\u51fa\u3002
    (long) (i * (i + k))\u5728(i * (i + k))\u5df2\u7ecf\u6ea2\u51fa\u4e86\uff0c\u8f6c\u4e2a long \u591a\u4f59\u7684\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : leavebody <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u770b\u6210\u4e86\u201c\u4e3a\u4ec0\u4e48\u6211\u8fd9\u4e48\u4f1a\u5199\u6570\u7ec4\u8d8a\u754c\u7684\u9519\u201d                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    \u4e3a\u4ec0\u4e48\u6211\u8fd9\u4e48\u5199\u4f1a\u62a5\u6570\u7ec4\u8d8a\u754c\u7684\u9519\uff1f …<\/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\/217903"}],"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=217903"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/217903\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=217903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=217903"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=217903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}