{"id":169516,"date":"2020-10-10T06:42:00","date_gmt":"2020-10-09T22:42:00","guid":{"rendered":"http:\/\/4563.org\/?p=169516"},"modified":"2020-10-10T06:42:00","modified_gmt":"2020-10-09T22:42:00","slug":"%e4%b9%b0%e5%8d%96%e8%82%a1%e7%a5%a8%e7%9a%84%e6%9c%80%e4%bd%b3%e6%97%b6%e6%9c%ba","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=169516","title":{"rendered":"\u4e70\u5356\u80a1\u7968\u7684\u6700\u4f73\u65f6\u673a"},"content":{"rendered":"
\n
\n
\n

\u4e70\u5356\u80a1\u7968\u7684\u6700\u4f73\u65f6\u673a <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : zzzrf <\/span> <\/i> 3<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u5047\u8bbe\u6709\u4e00\u4e2a\u6570\u7ec4\uff0c\u5b83\u7684\u7b2c i \u4e2a\u5143\u7d20\u662f\u4e00\u652f\u7ed9\u5b9a\u7684\u80a1\u7968\u5728\u7b2c i \u5929\u7684\u4ef7\u683c\u3002\u5982\u679c\u4f60\u6700\u591a\u53ea\u5141\u8bb8\u5b8c\u6210\u4e00\u6b21\u4ea4\u6613(\u4f8b\u5982,\u4e00\u6b21\u4e70\u5356\u80a1\u7968),\u8bbe\u8ba1\u4e00\u4e2a\u7b97\u6cd5\u6765\u627e\u51fa\u6700\u5927\u5229\u6da6\u3002<\/p>\n

\u2192\u5728\u7ebf\u8bc4\u6d4b\u5730\u5740<\/p>\n

\u6837\u4f8b 1<\/h2>\n
\u8f93\u5165: [3, 2, 3, 1, 2] \u8f93\u51fa: 1 \u8bf4\u660e\uff1a\u4f60\u53ef\u4ee5\u5728\u7b2c\u4e09\u5929\u4e70\u5165\uff0c\u7b2c\u56db\u5929\u5356\u51fa\uff0c\u5229\u6da6\u662f 2 - 1 = 1 <\/code><\/pre>\n
\u6837\u4f8b 2<\/h2>\n
\u8f93\u5165: [1, 2, 3, 4, 5] \u8f93\u51fa: 4 \u8bf4\u660e\uff1a\u4f60\u53ef\u4ee5\u5728\u7b2c 0 \u5929\u4e70\u5165\uff0c\u7b2c\u56db\u5929\u5356\u51fa\uff0c\u5229\u6da6\u662f 5 - 1 = 4 <\/code><\/pre>\n
\u6837\u4f8b 3<\/h2>\n
\u8f93\u5165: [5, 4, 3, 2, 1] \u8f93\u51fa: 0 \u8bf4\u660e\uff1a\u4f60\u53ef\u4ee5\u4e0d\u8fdb\u884c\u4efb\u4f55\u64cd\u4f5c\u7136\u540e\u4e5f\u5f97\u4e0d\u5230\u4efb\u4f55\u5229\u6da6 <\/code><\/pre>\n
\u7b97\u6cd5\uff1a\u8d2a\u5fc3<\/h2>\n
\u5f88\u5bb9\u6613\u60f3\u5230\u7684\u8d2a\u5fc3\u7b97\u6cd5\u3002\u5bf9\u4e8e\u6bcf\u4e00\u5929\u7684\u4ef7\u683c\uff0c\u6211\u8003\u8651\u5728\u90a3\u5929\u4e4b\u524d\u7684\u6700\u4f4e\u4ef7\u4e70\u5165\uff0c\u770b\u770b\u662f\u4e0d\u662f\u80fd\u8ddf\u65b0\u7b54\u6848\u3002<\/p>\n
    \n
  • \u6211\u4eec\u5229\u7528\u4e00\u4e2a\u5355\u5143\u53bb\u4fdd\u5b58\u524d\u7f00\u6700\u5c0f\u503c\uff0c\u6216\u8005\u540e\u7f00\u6700\u5927\u503c\u3002\u4ee5\u4e0b\u4ee5\u524d\u7f00\u6700\u5c0f\u503c low \u4e3a\u4f8b\u3002<\/li>\n
  • \u82e5\u5f53\u524d\u7684 prices[i]\u2212low \u80fd\u66f4\u65b0\u7b54\u6848\uff0c\u5219\u66f4\u65b0<\/li>\n
  • low=min(prices[i],low) \uff0c\u7ee7\u7eed\u8ddf\u65b0\u6700\u5c0f\u503c\u5373\u53ef\u3002<\/li>\n<\/ul>\n
    \u590d\u6742\u5ea6\u5206\u6790<\/h2>\n
      \n
    • \u65f6\u95f4\u590d\u6742\u5ea6 O(n)\n
        \n
      • \u626b\u63cf\u6574\u4e2a\u6570\u7ec4\u5373\u53ef<\/li>\n<\/ul>\n<\/li>\n
      • \u7a7a\u95f4\u590d\u6742\u5ea6 O(1)\n
          \n
        • \u5e38\u6570\u7a7a\u95f4<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
          \u4ee3\u7801<\/h2>\n
          public class Solution {      \/**      * @param prices: Given an integer array      * @return: Maximum profit      *\/      public int maxProfit(int[] prices) {         \/\/ write your code here          if (prices == null || prices.length == 0) {             return 0;         }         int minPrice = Integer.MAX_VALUE;  \/\/just remember the smallest price         int maximumProfit = 0;          for (int i : prices) {             minPrice = i < minPrice ? i : minPrice;             maximumProfit = (i - minPrice) > maximumProfit ? i - minPrice : maximumProfit;          }         return maximumProfit;     } } <\/code><\/pre>\n
          \u9898\u89e3\u53c2\u8003<\/p>\n<\/p><\/div>\n
           \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (14<\/span>)        <\/div>\n
           <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
            \n
          • \n
            \n
            \n
             \u8cc7\u6df1\u5927\u4f6c : ungrown <\/span>  <\/div>\n
             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                         \u201c\u6700\u4f73\u201d\u8fd9\u4e2a\u6982\u5ff5\u53ea\u6709\u5728\u201c\u53ef\u9884\u6d4b\u201d\u65f6\u624d\u6709\u610f\u4e49
            \u90a3\u4e48\u80a1\u5e02\u662f\u53ef\u4ee5\u9884\u6d4b\u7684\u5417\uff1f
            \u53ef\u4ee5\u9884\u6d4b\u8fd8\u600e\u4e48\u5272\u97ed\u83dc\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
             \u8cc7\u6df1\u5927\u4f6c : carlclone <\/span>  <\/div>\n
             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                         @ungrown \u522b\u6760\u4e86\u5c0f\u5144\u5f1f\uff0c\u5bf9\u8eab\u4f53\u4e0d\u597d                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
             \u8cc7\u6df1\u5927\u4f6c : cqcsdzmt <\/span>  <\/div>\n
             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                         @carlclone \u4e00\u8bf4\u5f97\u5f88\u6709\u9053\u7406\u5440\uff0c\u5230\u5e95\u662f\u4f60\u6760\u8fd8\u662f\u522b\u4eba\u6760                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
             \u8cc7\u6df1\u5927\u4f6c : zhulang <\/span>  <\/div>\n
             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                         @carlclone \u4e00\u8bf4\u7684\u5bf9 \u6700\u4f73\u4e00\u822c\u90fd\u662f\u4e8b\u540e\u624d\u77e5\u9053\u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
             \u8cc7\u6df1\u5927\u4f6c : cmdOptionKana <\/span>  <\/div>\n
             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                         @carlclone \u610f\u89c1\u4e0d\u540c\u5c31\u662f\u6760\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
             \u8cc7\u6df1\u5927\u4f6c : carlclone <\/span>  <\/div>\n
             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                         @zhulang \u6570\u7ec4\u90fd\u7ed9\u4f60\u4e86\u4e0d\u662f\u4e8b\u540e\uff1f\u8c01\u8ba9\u4f60\u9884\u6d4b\u4e86\uff0cnt                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
             \u8cc7\u6df1\u5927\u4f6c : zxCoder <\/span>  <\/div>\n
             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                         @ungrown \u8fd9\u4e0d\u662f\u7a0b\u5e8f\u8bbe\u8ba1\u9898\u76ee\u5417\u3002\u3002\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
             \u8cc7\u6df1\u5927\u4f6c : AmrtaShiva <\/span>  <\/div>\n
             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                         \u8fd9\u662f\u4e00\u4e2a\u4f2a\u547d\u9898 \u6240\u8c13\u7684\u6700\u4f73 \u90fd\u662f\u4e00\u4e9b\u9a6c\u540e\u70ae \u8d8b\u52bf\u8d70\u51fa\u6765\u4e86 \u4ef7\u683c\u770b\u5230\u4e86 \u624d\u53bb\u5206\u6790 \u80a1\u5e02 \u548c\u8d44\u672c\u6295\u673a \u662f\u96be\u4e8e\u9884\u6d4b\u7684 \u8fd9\u8981\u7ed3\u5408\u6240\u8c13\u7684\u76d8\u611f \u800c\u76d8\u611f\u8fd9\u4e1c\u897f\u548c\u4eba\u7684\u7efc\u5408\u7d20\u8d28\u53c8\u5173\u8054\u5728\u4e00\u8d77 \u603b\u7684\u6765\u8bf4 \u5e02\u573a\u4ea4\u6613\u4eba\u5458\u8d8a\u591a \u89c4\u5f8b\u8d8a\u660e\u663e \u88ab\u4eba\u4e3a\u64cd\u63a7\u7684\u53ef\u80fd\u6027\u8d8a\u5c0f \u6bd4\u5982 \u5916\u6c47\u5e02\u573a \u56fd\u5185\u7684\u80a1\u5e02 \u5475\u5475                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
             \u8cc7\u6df1\u5927\u4f6c : ungrown <\/span>  <\/div>\n
             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                         @zxCoder #7 \u8349\u4e86\uff0c\u5173\u952e\u8bef\u89e3\u7684\u8fd8\u4e0d\u6b62\u6211\u4e00\u4e2a\u2026\u2026                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
             \u8cc7\u6df1\u5927\u4f6c : zxCoder <\/span>  <\/div>\n
             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                         @ungrown \u5c31\u662f\u4f60\u5e26\u6b6a\u7684\u3002\u3002\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
             \u8cc7\u6df1\u5927\u4f6c : xrr2016 <\/span>  <\/div>\n
             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                         \u524d\u9762\u7684\u5728\u8bf4\u5565\u5462\uff0c\u8fd9\u4e0d\u662f leetcode \u4e0a\u7684\u4e00\u9053\u7b97\u6cd5\u9898\u561b                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
             \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zzzrf <\/span>  <\/div>\n
             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                         \u672c\u8eab\u662f\u4e00\u9053\u9898\u76ee\u7684\u9898\u89e3\u5206\u4eab\uff0c\u4f46\u8fd8\u662f\u5341\u5206\u611f\u8c22\u5927\u5bb6\u7684\u8ba8\u8bba                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
             \u8cc7\u6df1\u5927\u4f6c : lokya <\/span>  <\/div>\n
             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                         \u6ca1\u8fdb\u6765\u4ee5\u524d \u6211\u4ee5\u4e3a\u662f\u80a1\u7968\u4e70\u5356\u5206\u4eab \u8fdb\u6765\u540e \u6211\u53d1\u73b0\u662f\u6211\u5237\u8fc7\u7684\u9898 \u544a\u8f9e                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
             \u8cc7\u6df1\u5927\u4f6c : shiny <\/span>  <\/div>\n
             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                         \u7c97\u770b\u4ee5\u4e3a\u662f\u8ba8\u8bba\u80a1\u7968\u7684\u5e16\u5b50\uff0c\u7ec6\u770b\u4ee5\u4e3a\u662f\u6280\u672f\u8ba8\u8bba\u5e16\uff0c\u518d\u7741\u5927\u72d7\u773c\u53d1\u73b0\u662f\u63a8\u5e7f\u5e16                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n","protected":false},"excerpt":{"rendered":"
            \u4e70\u5356\u80a1\u7968\u7684\u6700\u4f73\u65f6\u673a \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\/169516"}],"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=169516"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/169516\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=169516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=169516"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=169516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}