{"id":857,"date":"2022-03-10T19:59:06","date_gmt":"2022-03-11T03:59:06","guid":{"rendered":"https:\/\/ligai.cn\/blog\/?p=857"},"modified":"2022-03-14T18:01:32","modified_gmt":"2022-03-15T02:01:32","slug":"%e6%95%8f%e6%8d%b7%e5%b0%8f%e6%b8%b8%e6%88%8f%e7%9a%84%e6%80%9d%e8%80%83%e4%b8%8a","status":"publish","type":"post","link":"https:\/\/ligai.cn\/blog\/sharing\/857.html","title":{"rendered":"\u654f\u6377\u5c0f\u6e38\u620f\u7684\u601d\u8003[\u4e0a]"},"content":{"rendered":"\n<p>\u6700\u8fd1\uff0c\u6211\u4eec\u56e2\u961f\u4e3a\u4e86\u8fdb\u4e00\u6b65\u63d0\u9ad8\u534f\u4f5c\u6548\u7387\uff0c\u7ec4\u7ec7\u4e86\u4e00\u6b21\u8da3\u5473\u5206\u4eab\u6d3b\u52a8\uff0c\u5e0c\u671b\u901a\u8fc7\u6e38\u620f\u7684\u65b9\u5f0f\uff0c\u5e2e\u52a9\u6280\u672f\u90e8\u95e8\u7684\u540c\u4e8b\u4eec\u66f4\u597d\u5730\u7406\u89e3\u548c\u5b9e\u8df5\u654f\u6377\u5f00\u53d1\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p>\u5728\u8fd9\u6b21\u6d3b\u52a8\u4e2d\uff0c\u201c\u54ea\u79cd\u884c\u52a8\u65b9\u5f0f\u66f4\u654f\u6377\u201d\u3001\u201c\u4e3a\u4ec0\u4e48\u91c7\u7528\u8fd9\u79cd\u65b9\u6cd5\u201d\u7b49\u5173\u4e4e\u654f\u6377\u6982\u5ff5\u7406\u8bba\u548c\u5b9e\u8df5\u65b9\u6cd5\u7684\u601d\u8003\u88ab\u4f19\u4f34\u4eec\u63d0\u51fa\u6765\u5e76\u516c\u5f00\u8ba8\u8bba\u3002\u4f5c\u4e3a\u5f00\u53d1\u5c0f\u7ec4\u7684\u6210\u5458\uff0c\u6211\u83b7\u76ca\u9887\u591a\uff0c\u7279\u5c06\u6b64\u6b21\u6d3b\u52a8\u4e2d\u7684\u601d\u8003\u603b\u7ed3\u4e0b\u6765\u5206\u4eab\u7ed9\u5927\u5bb6\uff0c\u5171\u540c\u6210\u957f~<\/p>\n\n\n\n<h1>\u6e38\u620f\u89c4\u5219<\/h1>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>10\u4e2a\u4eba\u7ffb30\u5f20\u724c\uff0c\u6bcf\u4e2a\u4eba\u8981\u628a\u8fd930\u5f20\u724c\u7684\u6bcf1\u5f20\u724c\u90fd\u7ffb\u4e00\u904d<\/p>\n\n\n\n<p>\u8ba1\u7b97\u7b2c1\u4e2a\u4eba\u7ffb\u5b8c30\u5f20\u724c\u6240\u8017\u8d39\u7684\u65f6\u95f4\u548c\u6240\u6709\u4eba\u7ffb\u5b8c30\u5f20\u724c\u6240\u8017\u8d39\u7684\u65f6\u95f4~<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"900\" height=\"529\" src=\"https:\/\/ligai.cn\/blog\/wp-content\/uploads\/2022\/03\/\u654f\u6377\u6251\u514b\u6e38\u620f\u89c4\u5219.png\" alt=\"\" class=\"wp-image-858\" srcset=\"https:\/\/ligai.cn\/blog\/wp-content\/uploads\/2022\/03\/\u654f\u6377\u6251\u514b\u6e38\u620f\u89c4\u5219.png 900w, https:\/\/ligai.cn\/blog\/wp-content\/uploads\/2022\/03\/\u654f\u6377\u6251\u514b\u6e38\u620f\u89c4\u5219-300x176.png 300w, https:\/\/ligai.cn\/blog\/wp-content\/uploads\/2022\/03\/\u654f\u6377\u6251\u514b\u6e38\u620f\u89c4\u5219-768x451.png 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p>\u5047\u8bbe\u6bcf\u4e00\u4e2a\u7ea2\u8272\u65b9\u5757\u8017\u65f6x\uff0c\u6bcf\u4e00\u4e2a\u6a59\u8272\u65b9\u5757\u8017\u65f6y\uff0c\u6bcf\u4e00\u4e2a\u9ec4\u8272\u65b9\u5757\u8017\u65f6z&nbsp;\uff08x, y, z &gt; 0\uff09<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"720\" height=\"679\" src=\"https:\/\/ligai.cn\/blog\/wp-content\/uploads\/2022\/03\/135editor_03111126_622ac15ee67c320220311112622.jpg\" alt=\"\" class=\"wp-image-860\" srcset=\"https:\/\/ligai.cn\/blog\/wp-content\/uploads\/2022\/03\/135editor_03111126_622ac15ee67c320220311112622.jpg 720w, https:\/\/ligai.cn\/blog\/wp-content\/uploads\/2022\/03\/135editor_03111126_622ac15ee67c320220311112622-300x283.jpg 300w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/figure>\n\n\n\n<p>\u65b9\u68481\uff1a<\/p>\n\n\n\n<p><span style=\"color:#4c95ff\" class=\"has-inline-color\">\u7b2cn\u4e2a\u4eba\u5fc5\u987b\u7b49\u7b2cn-1\u4e2a\u4eba\u7ffb\u5b8c\u6240\u6709\u768430\u5f20\u724c\u624d\u80fd\u5f00\u59cb\u7ffb\u724c\uff0c\u7b2c1\u4e2a\u4eba\u4e0d\u7528\u7b49\u3002<\/span><\/p>\n\n\n\n<p>\u90a3\u4e48\u6211\u4eec\u53c2\u8003\u4e0a\u56fe\u7684\u7ed3\u6784\uff0c\u5148\u8ba1\u7b97\u7b2c1~5\u4e2a\u4eba\u7684\u7ffb\u5b8c30\u5f20\u724c\u7684\u65f6\u95f4\uff0c\u7136\u540e\u518d\u4e58\u4ee52\u5c31\u662f\u603b\u7528\u65f6\uff08\u4e0d\u5b58\u5728\u5f71\u54cd\u65f6\u95f4\u7684\u610f\u5916\u60c5\u51b5\uff09\uff1a<\/p>\n\n\n\n<p><strong><span style=\"color:#4c95ff\" class=\"has-inline-color\"><em>T<\/em>1<\/span>&nbsp;<\/strong>= ((5 + 1) * 5 \/ 2 * x + (4 + 1) * 4 \/ 2 * y + 25 * 5 * z) * 2&nbsp;<\/p>\n\n\n\n<p><strong><span style=\"color:#4c95ff\" class=\"has-inline-color\">=30x + 20y + 250z<\/span><\/strong><\/p>\n\n\n\n<p>\u65b9\u68482\uff1a<\/p>\n\n\n\n<p><span style=\"color:#4c95ff\" class=\"has-inline-color\">\u7b2cn\u4e2a\u4eba\u5fc5\u987b\u7b49\u7b2cn-1\u4e2a\u4eba\u7ffb\u5b8c\u7b2c5\u5f20\u724c\u624d\u80fd\u5f00\u59cb\u7ffb\u724c\uff0c\u7b2c1\u4e2a\u4eba\u4e0d\u7528\u7b49\uff1b\u4e14\u7b2cn\u4e2a\u4eba\u5fc5\u987b\u7b49\u7b2cn-1\u4e2a\u4eba\u7ffb\u5b8c\u7b2cm\u5f20\u724c\uff0c\u624d\u80fd\u7ffb\u7b2cm\u5f20\u724c\uff0c\u7b2c1\u4e2a\u4eba\u4e0d\u7528\u7b49\u3002<\/span><\/p>\n\n\n\n<p>\u53c2\u8003\u4e0a\u56fe\u7ed3\u6784\uff0c\u5148\u8ba1\u7b971 ~ 10\u4e2a\u4eba\u7ffb\u5b8c\u524d5\u5f20\u724c\u7684\u65f6\u95f4\uff0c\u7136\u540e\u518d\u8ba1\u7b97\u7b2c10\u4e2a\u4eba\u7ffb\u5b8c6 ~ 25\u5f20\u724c\u7684\u65f6\u95f4\u5c31\u662f\u603b\u7528\u65f6\uff08\u4e0d\u5b58\u5728\u5f71\u54cd\u65f6\u95f4\u7684\u610f\u5916\u60c5\u51b5\uff09\uff1a<\/p>\n\n\n\n<p>\u53c2\u8003\u4e0a\u56fe\u7ed3\u6784\uff1a\u5148\u8ba1\u7b971 ~ 10\u4e2a\u4eba\u7ffb\u5b8c\u7b2c1\u5f20\u724c\u7684\u65f6\u95f4\uff0c\u7136\u540e\u518d\u8ba1\u7b97\u7b2c10\u4e2a\u4eba\u7ffb\u5b8c\u7b2c2 ~ 5\u5f20\u724c\u7684\u65f6\u95f4\uff0c\u6700\u540e\u518d\u52a0\u4e0a\u7b2c10\u4e2a\u4eba\u7ffb\u5b8c\u7b2c6 ~ 30\u5f20\u724c\u7684\u65f6\u95f4\u5c31\u662f\u603b\u8ba1\u7528\u65f6\uff08\u4e0d\u5b58\u5728\u5f71\u54cd\u65f6\u95f4\u7684\u610f\u5916\u60c5\u51b5\uff09\uff1a<\/p>\n\n\n\n<p><em><span style=\"color:#4c95ff\" class=\"has-inline-color\"><strong>T<\/strong><\/span><\/em><strong><span style=\"color:#4c95ff\" class=\"has-inline-color\">3= 10x + 4y + 25z<\/span><\/strong><\/p>\n\n\n\n<h1>\u6700\u7ec8\u7ed3\u679c<\/h1>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u4e0b\u9762\u6211\u4eec\u7528\u7a0b\u5e8f\u6765\u9a8c\u8bc1\u7ed3\u8bba\u7684\u6b63\u786e\u6027\u3002\u5047\u8bbe&nbsp;x = y = z = 1s\uff0c\u90a3\u6700\u7ec8\u7ed3\u679c\u5e94\u8be5\u662f\uff1a<\/p>\n\n\n\n<p>T1 = 30 + 20 + 250 = 300s<\/p>\n\n\n\n<p>T2 = 30 + 20 + 25 = 75s<\/p>\n\n\n\n<p>T3 = 10 + 4 + 25 = 39s<\/p>\n\n\n\n<p>\u5b9e\u9645\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class AgileTest {\n\n    private static final Logger LOGGER = LoggerFactory.getLogger(AgileTest.class);\n\n    public static void main(String&#91;] args) {\n        long time1 = way1();\n        long time2 = way2();\n        long time3 = way3();\n        LOGGER.info(\"time1: {} ms\", time1);\n        LOGGER.info(\"time2: {} ms\", time2);\n        LOGGER.info(\"time3: {} ms\", time3);\n    }\n\n    \/**\n     * &lt;p&gt;\u65b9\u68481&lt;\/p&gt;\n     * &lt;p&gt;\u7b2cn\u4e2a\u4eba\u5fc5\u987b\u7b49\u7b2cn-1\u4e2a\u4eba\u7ffb\u5b8c\u6240\u6709\u768430\u5f20\u724c\u624d\u80fd\u5f00\u59cb\u7ffb\u724c\uff0c\u7b2c1\u4e2a\u4eba\u4e0d\u7528\u7b49\u3002&lt;\/p&gt;\n     * @return \u8017\u65f6 ms\n     *\/\n    public static long way1() {\n        final String way = \"way1\";\n        long startTime = System.currentTimeMillis();\n        \/\/ 1.10\u4e2a\u4eba\n        for (int i = 1; i &lt; 11; i++) {\n            AtomicInteger atomicI = new AtomicInteger(i);\n            \/\/ 2.30\u5f20\u724c\uff0c\u6bcf\u4e2a\u4eba\u7ffb\u5b8c30\u5f20\u724c\uff0c\u4e0b\u4e2a\u4eba\u624d\u80fd\u5f00\u59cb\n            for (int j = 1; j &lt; 31; j++) {\n                node(way, atomicI, j);\n            }\n        }\n        long endTime = System.currentTimeMillis();\n        return endTime - startTime;\n    }\n\n    \/**\n     * &lt;p&gt;\u65b9\u68482&lt;\/p&gt;\n     * &lt;p&gt;\u7b2cn\u4e2a\u4eba\u5fc5\u987b\u7b49\u7b2cn-1\u4e2a\u4eba\u7ffb\u5b8c\u7b2c5\u5f20\u724c\u624d\u80fd\u5f00\u59cb\u7ffb\u724c\uff0c\u7b2c1\u4e2a\u4eba\u4e0d\u7528\u7b49\uff1b\u4e14\u7b2cn\u4e2a\u4eba\u5fc5\u987b\u7b49\u7b2cn-1\u4e2a\u4eba\u7ffb\u5b8c\u7b2cm\u5f20\u724c\uff0c\u624d\u80fd\u7ffb\u7b2cm\u5f20\u724c\uff0c\u7b2c1\u4e2a\u4eba\u4e0d\u7528\u7b49\u3002&lt;\/p&gt;\n     * @return \u8017\u65f6 ms\n     *\/\n    public static long way2() {\n        final String way = \"way2\";\n        long startTime = System.currentTimeMillis();\n        CountDownLatch latch = new CountDownLatch(10);\n        Map&lt;Integer, Integer&gt; map = new ConcurrentHashMap&lt;&gt;();\n        \/\/ 1.10\u4e2a\u4eba\n        for (int outUser = 1; outUser &lt; 11; outUser++) {\n            int outLastUser = outUser - 1;\n            Integer lastOutUserNode = 0;\n            \/\/ 2.\u6bcf\u4e2a\u4eba\u5fc5\u987b\u7b49\u524d\u9762\u90a3\u4e2a\u4eba\u7ffb\u5b8c5\u5f20\u724c\u624d\u80fd\u5f00\u59cb\u7ffb\u724c\uff0c\u7b2c1\u4e2a\u4eba\u4f8b\u5916\n            while (outUser != 1 &amp;&amp; ((lastOutUserNode = map.get(outLastUser)) == null || lastOutUserNode &lt; 5)) {\n            }\n            AtomicInteger atomicI = new AtomicInteger(outUser);\n            Thread thread = new Thread(() -&gt; {\n                try {\n                    int innerUser = atomicI.get();\n                    int lastInnerUser = innerUser - 1;\n                    \/\/ 3.30\u5f20\u724c\n                    for (int j = 1; j &lt; 31; j++) {\n                        \/\/ 4.\u7ffb\u724c\u7684\u901f\u5ea6\u4e0d\u80fd\u8d85\u8fc7\u524d1\u4e2a\u4eba\uff0c\u7b2c1\u4e2a\u4eba\u4f8b\u5916\uff0c\u7b2c30\u5f20\u9664\u5916\n                        Integer lastInnerUserNode = 0;\n                        while (innerUser != 1 &amp;&amp; ((lastInnerUserNode = map.get(lastInnerUser)) == null || lastInnerUserNode &lt; j)) {\n                        }\n                        node(way, atomicI, j);\n                        map.put(innerUser, j);\n                    }\n                } catch (Exception e) {\n                    LOGGER.error(\"Current Thread: \" + Thread.currentThread().getName() +  \"+, exception: \", e);\n                } finally {\n                    latch.countDown();\n                }\n            }, \"thread-user-\" + outUser);\n            thread.start();\n        }\n\n        try {\n            latch.await();\n        } catch (InterruptedException e) {\n            LOGGER.error(\"wait thread exception: \", e);\n        }\n\n        long endTime = System.currentTimeMillis();\n        return endTime - startTime;\n    }\n\n    \/**\n     * &lt;p&gt;\u65b9\u68483&lt;\/p&gt;\n     * &lt;p&gt;\u7b2cn\u4e2a\u4eba\u5fc5\u987b\u7b49\u7b2cn-1\u4e2a\u4eba\u7ffb\u5b8c\u7b2cm\u5f20\u724c\uff0c\u624d\u80fd\u7ffb\u7b2cm\u5f20\u724c\uff0c\u7b2c1\u4e2a\u4eba\u4e0d\u7528\u7b49\u3002&lt;\/p&gt;\n     * @return \u8017\u65f6 ms\n     *\/\n    public static long way3() {\n        final String way = \"way3\";\n        long startTime = System.currentTimeMillis();\n        CountDownLatch latch = new CountDownLatch(10);\n        Map&lt;Integer, Integer&gt; map = new ConcurrentHashMap&lt;&gt;();\n        \/\/ 1.10\u4e2a\u4eba\n        for (int outUser = 1; outUser &lt; 11; outUser++) {\n            AtomicInteger atomicI = new AtomicInteger(outUser);\n            Thread thread = new Thread(() -&gt; {\n                try {\n                    int innerUser = atomicI.get();\n                    int lastInnerUser = innerUser - 1;\n                    \/\/ 2.30\u5f20\u724c\n                    for (int j = 1; j &lt; 31; j++) {\n                        \/\/ 3.\u7ffb\u724c\u7684\u901f\u5ea6\u4e0d\u80fd\u8d85\u8fc7\u524d1\u4e2a\u4eba\uff0c\u7b2c1\u4e2a\u4eba\u4f8b\u5916\n                        Integer lastInnerUserNode = 0;\n                        while (innerUser != 1 &amp;&amp; ((lastInnerUserNode = map.get(lastInnerUser)) == null || lastInnerUserNode &lt; j)) {\n                        }\n                        node(way, atomicI, j);\n                        map.put(innerUser, j);\n                    }\n                } catch (Exception e) {\n                    LOGGER.error(\"Current Thread: \" + Thread.currentThread().getName() +  \"+, exception: \", e);\n                } finally {\n                    latch.countDown();\n                }\n            }, \"thread-user-\" + outUser);\n            thread.start();\n        }\n\n        try {\n            latch.await();\n        } catch (InterruptedException e) {\n            LOGGER.error(\"wait thread exception: \", e);\n        }\n\n        long endTime = System.currentTimeMillis();\n        return endTime - startTime;\n    }\n\n    \/**\n     * \u6267\u884c\u8282\u70b9\n     * @param atomicI \u7b2ci\u4e2a\u4eba\n     * @param j \u7b2cj\u5f20\u724c\n     *\/\n    private static void node(String way, AtomicInteger atomicI, int j) {\n        int i = atomicI.get();\n        long currentTime = System.currentTimeMillis() \/ 1000;\n\/\/        System.out.printf(\"&#91;%s] %s i-j: %d-%d %d\\n\", Thread.currentThread().getName(), way, i, j, currentTime);\n        try {\n            if ((i &gt;= 1 &amp;&amp; i &lt;= 5 &amp;&amp; j &gt;= 1 &amp;&amp; j &lt;= 5 &amp;&amp; i + j &lt;= 6)\n                    || (i &gt;= 6 &amp;&amp; i &lt;= 10 &amp;&amp; j &gt;= 1 &amp;&amp; j &lt;= 5 &amp;&amp; i + j &lt;= 11)) {\n                Thread.sleep(1000);\n            } else if ((i &gt;= 1 &amp;&amp; i &lt;= 5 &amp;&amp; j &gt;= 1 &amp;&amp; j &lt;= 5 &amp;&amp; i + j &gt; 6)\n                    || (i &gt;= 6 &amp;&amp; i &lt;= 10 &amp;&amp; j &gt;= 1 &amp;&amp; j &lt;= 5 &amp;&amp; i + j &gt; 11)) {\n                Thread.sleep(1000);\n            } else if (j &gt;= 6) {\n                Thread.sleep(1000);\n            }\n        } catch (Exception e) {\n            LOGGER.error(\"node sleep exception: \", e);\n        }\n    }\n}<\/code><\/pre>\n\n\n\n<p>\u65e5\u5fd7\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\n17:52:10.645 &#91;main] INFO com.peng.java_study.practice.zhikan.AgileTest - time1: 302746 ms\n17:52:10.648 &#91;main] INFO com.peng.java_study.practice.zhikan.AgileTest - time2: 75632 ms\n17:52:10.648 &#91;main] INFO com.peng.java_study.practice.zhikan.AgileTest - time3: 39348 ms<\/code><\/pre>\n\n\n\n<p>\u4ece\u65e5\u5fd7\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c<strong>\u5b9e\u9645\u7ed3\u679c\u4e0e\u9884\u671f\u57fa\u672c\u4e00\u81f4<\/strong>\uff0c\u591a\u51fa\u6765\u7684\u51e0\u767e\u6beb\u79d2\u662f\u7a0b\u5e8f\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u4e0d\u53ef\u907f\u514d\u7684\u6d88\u8017\u3002\u7531\u5b83\u4eec\u8017\u65f6\u53ef\u77e5\uff1aT3 &lt; T2 &lt; T1\uff0c\u6240\u4ee5\u5728\u4e0d\u8003\u8651\u5176\u4ed6\u56e0\u7d20\u5f71\u54cd\u7684\u524d\u63d0\u4e0b\uff0c\u65b9\u68483\u662f\u6700\u654f\u6377\u7684\uff01<\/p>\n\n\n\n<h1>\u6df1\u5165\u601d\u8003<\/h1>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p><strong><span style=\"color:#4c95ff\" class=\"has-inline-color\">\u5728\u4efb\u4f55\u6761\u4ef6\u4e0b\uff0c\u65b9\u68483\u90fd\u9002\u7528\u5417\uff1f<\/span><\/strong><\/p>\n\n\n\n<p>\u7b54\u6848\u662f\u5426\u5b9a\u7684\uff0c\u5728\u67d0\u4e9b\u7279\u6b8a\u60c5\u51b5\u4e0b\uff0c\u65b9\u68483\u53cd\u800c\u66f4\u6162\uff01<\/p>\n\n\n\n<p>\u5047\u8bbe\uff0c\u7b2cn &#8211; 1\u4e2a\u4eba\u7ffb\u5b8c1 ~ 30\u5f20\u724c\u540e\uff0c\u4e00\u8d77\u4ea4\u63a5\u7ed9\u7b2cn\u4e2a\u4eba\u7684\u51c6\u5907\u65f6\u95f4\u548c\u6c9f\u901a\u65f6\u95f4\u4e3aa\u3002\u90a3\u4e48\u6700\u7ec8\u8017\u65f6\u4e3a\uff1a<strong><span style=\"color:#4c95ff\" class=\"has-inline-color\">T1&#8242;<\/span><\/strong>&nbsp;= T1 + (10 &#8211; 1) * a&nbsp;<strong><span style=\"color:#4c95ff\" class=\"has-inline-color\">=T1 + 9a<\/span><\/strong><\/p>\n\n\n\n<p>\u82e5\u7b2cn &#8211; 1\u4e2a\u4eba\u7ffb\u5b8c\u7b2c1 ~ 5\u5f20\u724c\u540e\uff0c\u4e00\u8d77\u4ea4\u63a5\u7ed9\u7b2cn\u4e2a\u4eba\u65f6\uff0c\u9700\u8981\u51c6\u5907\u65f6\u95f4\u548c\u6c9f\u901a\u65f6\u95f4\u4e3ab\uff1b\u7b2cn &#8211; 1\u4e2a\u4eba\u7ffb\u5b8c\u7b2c6 ~ 30\u5f20\u724c\u4e2d\u7684\u4efb\u610f\u4e00\u5f20\u724c\u540e\uff0c\u4ea4\u63a5\u7ed9\u7b2cn\u4e2a\u4eba\u65f6\uff0c\u9700\u8981\u7684\u51c6\u5907\u65f6\u95f4\u4e0e\u6c9f\u901a\u65f6\u95f4c\u3002\u90a3\u4e48\u6700\u7ec8\u8017\u65f6\u4e3a\uff1a<strong><span style=\"color:#4c95ff\" class=\"has-inline-color\">T2&#8242;<\/span><\/strong>= T2 + (10 &#8211; 1) * b + 25 * 9 * c&nbsp;<strong><span style=\"color:#4c95ff\" class=\"has-inline-color\">=T2 + 9b + 225c<\/span><\/strong><\/p>\n\n\n\n<p>\u5047\u8bbe\u7b2cn &#8211; 1\u4e2a\u4eba\u7ffb\u5b8c1 ~ 30\u5f20\u724c\u4e2d\u7684\u4efb\u610f\u4e00\u5f20\u724c\u540e\uff0c\u4ea4\u63a5\u7ed9\u7b2cn\u4e2a\u4eba\u65f6\uff0c\u9700\u8981\u7684\u51c6\u5907\u65f6\u95f4\u4e0e\u6c9f\u901a\u65f6\u95f4\u4e3ad\u3002\u90a3\u4e48\u6700\u7ec8\u8017\u65f6\u4e3a\uff1a<strong><span style=\"color:#4c95ff\" class=\"has-inline-color\">T3<\/span><\/strong><span style=\"color:#4c95ff\" class=\"has-inline-color\"><strong>&#8216;<\/strong>&nbsp;<\/span>= T_3 + 30 * 9 * d&nbsp;<strong><span style=\"color:#4c95ff\" class=\"has-inline-color\">=&nbsp;T3 + 270d<\/span><\/strong><\/p>\n\n\n\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u6765\u9a8c\u7b97\u4e00\u904d\uff1a<\/p>\n\n\n\n<p><span style=\"color:#4c95ff\" class=\"has-inline-color\">\u5728\u300c\u51c6\u5907\u65f6\u95f4\u4e0e\u6c9f\u901a\u65f6\u95f4\u300d\u4e0e\u300c\u5355\u4e2a\u4efb\u52a1\u7684\u6267\u884c\u65f6\u95f4\u65f6\u300d\u7684\u5927\u5c0f\u6ee1\u8db3\u4e00\u5b9a\u7684\u6761\u4ef6\u65f6\uff0c\u65b9\u68483\u662f\u5426\u6709\u53ef\u80fd\u6bd4\u65b9\u68481\u6162\uff1f<\/span><\/p>\n\n\n\n<p>\u5047\u8bbe <strong><span style=\"color:#4c95ff\" class=\"has-inline-color\">T3&#8242; &gt; T1&#8242;<\/span><\/strong>\uff0c\u90a3\u4e48\uff1a<\/p>\n\n\n\n<p>T3 + 270d &gt; T1 + 9a \u5373&nbsp;10x + 4y + 25z + 270d &gt; 30x + 20y + 250z + 9a<\/p>\n\n\n\n<p>\u518d\u6b21\u5047\u8bbe x = y = z = 1s\uff0c\u90a3\u4e48\u4e0a\u5f0f\u5c31\u7b49\u540c\u4e8e\uff1a<\/p>\n\n\n\n<p>10 + 4 + 25 + 270d &gt; 30 + 20 + 250 + 9a \u5373<\/p>\n\n\n\n<p>d &gt; (261 + 9a) \/ 270\u6216a &lt; (270d &#8211; 261) \/ 9<\/p>\n\n\n\n<p>\u5982\u679c d = 1s\uff0c\u90a3&nbsp;a &lt; 1s \u5c31\u53ef\u4ee5\u4f7f\u65b9\u68481\u5feb\u4e8e\u65b9\u68483&#8230;<\/p>\n\n\n\n<p>\u7531\u6b64\u53ef\u4ee5\u5f97\u51fa\u7ed3\u8bba\uff1a<strong><span style=\"color:#4c95ff\" class=\"has-inline-color\">\u5728\u4e00\u5b9a\u6761\u4ef6\u4e0b\uff0c\u65b9\u68483\u672a\u5fc5\u662f\u6700\u4f18\u7684\uff0c\u4e14\u8fd9\u79cd\u60c5\u51b5\u5f88\u6709\u53ef\u80fd\u53d1\u751f&#8230;<\/span><\/strong><\/p>\n\n\n\n<h1>\u6700\u7ec8\u7ed3\u8bba<\/h1>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u65b9\u68483\u4f1a\u6bd4\u65b9\u68481\u66f4\u654f\u6377\uff0c\u4f46\u5728\u4e0a\u8ff0\u4e24\u5c0f\u8282\u4e2d\u7684\u7279\u6b8a\u60c5\u51b5\u4e0b\uff0c\u65b9\u68483\u53cd\u800c\u662f\u6700\u6162\u7684\u3002\u56e0\u6b64\u5728\u771f\u5b9e\u7684\u751f\u6d3b\u573a\u666f\u4e2d\uff0c\u8fd8\u662f<strong><span style=\"color:#4c95ff\" class=\"has-inline-color\">\u8981\u201c<strong>\u56e0\u5730\u5236\u5b9c<\/strong>\u201d\uff0c\u4e0d\u80fd\u4e00\u6982\u800c\u8bba\uff01<\/span><\/strong><\/p>\n\n\n\n<p>\u601d\u8003\u5e76\u6ca1\u6709\u505c\u6b62\uff0c\u66f4\u591a\u8ba8\u8bba\u548c\u5206\u4eab\u53ef\u4ee5\u671f\u5f85 \u201c\u654f\u6377\u5c0f\u6e38\u620f\u7684\u601d\u8003-\u4e0b\u7bc7\u201d\uff0c<a href=\"https:\/\/ligai.cn\/\">LigaAI \u65b0\u4e00\u4ee3\u667a\u80fd\u7814\u53d1\u534f\u4f5c\u5e73\u53f0 <\/a>\u4f1a\u6301\u7eed\u5206\u4eab\u66f4\u591a\u6280\u672f\u5f00\u53d1\u3001\u9879\u76ee\u7ba1\u7406\u3001\u654f\u6377\u5b9e\u8df5\u3001\u5f00\u53d1\u8005\u6587\u5316\u7684\u5e72\u8d27\uff0c\u6b22\u8fce\u5173\u6ce8~<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\uff0c\u6211\u4eec\u56e2\u961f\u4e3a\u4e86\u8fdb\u4e00\u6b65\u63d0\u9ad8\u534f\u4f5c\u6548\u7387\uff0c\u7ec4\u7ec7\u4e86\u4e00\u6b21\u8da3\u5473\u5206\u4eab\u6d3b\u52a8\uff0c\u5e0c\u671b\u901a\u8fc7\u6e38\u620f\u7684\u65b9\u5f0f\uff0c\u5e2e\u52a9\u6280\u672f\u90e8\u95e8\u7684\u540c\u4e8b\u4eec\u66f4\u597d\u5730\u7406 &#8230; <a title=\"\u654f\u6377\u5c0f\u6e38\u620f\u7684\u601d\u8003[\u4e0a]\" class=\"read-more\" href=\"https:\/\/ligai.cn\/blog\/sharing\/857.html\" aria-label=\"\u7ee7\u7eed\u9605\u8bfb\u654f\u6377\u5c0f\u6e38\u620f\u7684\u601d\u8003[\u4e0a]\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[22],"tags":[15,38,10],"_links":{"self":[{"href":"https:\/\/ligai.cn\/blog\/wp-json\/wp\/v2\/posts\/857"}],"collection":[{"href":"https:\/\/ligai.cn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ligai.cn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ligai.cn\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ligai.cn\/blog\/wp-json\/wp\/v2\/comments?post=857"}],"version-history":[{"count":2,"href":"https:\/\/ligai.cn\/blog\/wp-json\/wp\/v2\/posts\/857\/revisions"}],"predecessor-version":[{"id":863,"href":"https:\/\/ligai.cn\/blog\/wp-json\/wp\/v2\/posts\/857\/revisions\/863"}],"wp:attachment":[{"href":"https:\/\/ligai.cn\/blog\/wp-json\/wp\/v2\/media?parent=857"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ligai.cn\/blog\/wp-json\/wp\/v2\/categories?post=857"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ligai.cn\/blog\/wp-json\/wp\/v2\/tags?post=857"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}