{"id":163681,"date":"2020-10-04T17:36:23","date_gmt":"2020-10-04T09:36:23","guid":{"rendered":"http:\/\/4563.org\/?p=163681"},"modified":"2020-10-04T17:36:23","modified_gmt":"2020-10-04T09:36:23","slug":"google-%e9%9d%a2%e8%af%95%e9%a2%98%ef%bc%9a%e5%b8%a6%e6%9c%80%e5%b0%8f%e5%80%bc%e6%93%8d%e4%bd%9c%e7%9a%84%e6%a0%88","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=163681","title":{"rendered":"Google \u9762\u8bd5\u9898\uff1a\u5e26\u6700\u5c0f\u503c\u64cd\u4f5c\u7684\u6808"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  Google \u9762\u8bd5\u9898\uff1a\u5e26\u6700\u5c0f\u503c\u64cd\u4f5c\u7684\u6808               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : zzzrf <\/span>  <span><i><\/i> 2<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u5b9e\u73b0\u4e00\u4e2a\u6808, \u652f\u6301\u4ee5\u4e0b\u64cd\u4f5c:<\/p>\n<ul>\n<li>push(val) \u5c06 val \u538b\u5165\u6808<\/li>\n<li>pop() \u5c06\u6808\u9876\u5143\u7d20\u5f39\u51fa, \u5e76\u8fd4\u56de\u8fd9\u4e2a\u5f39\u51fa\u7684\u5143\u7d20<\/li>\n<li>min() \u8fd4\u56de\u6808\u4e2d\u5143\u7d20\u7684\u6700\u5c0f\u503c \u8981\u6c42 O(1) \u5f00\u9500.<\/li>\n<\/ul>\n<p>\u5728\u7ebf\u8bc4\u6d4b\u5730\u5740<\/p>\n<h2>\u6837\u4f8b:<\/h2>\n<pre><code>\u8f93\u5165:    push(1)   min()   push(2)   min()   push(3)   min() \u8f93\u51fa:    1   1   1 <\/code><\/pre>\n<h2>\u7b97\u6cd5\uff1a\u6700\u5c0f\u6808<\/h2>\n<p>\u601d\u8def\uff1a<\/p>\n<ul>\n<li>\u8981\u6c42 O(1)\u65f6\u95f4\u5185\u5b8c\u6210\u6240\u6709\u64cd\u4f5c\uff0c\u538b\u5165\u6808\u5f39\u548c\u51fa\u6808\u9876\u5143\u7d20\u5e76\u8fd4\u56de\u672c\u6765\u5c31\u662f O(1)\u6ca1\u6709\u95ee\u9898\uff0c\u8981\u8fd4\u56de\u6808\u4e2d\u5143\u7d20\u6700\u5c0f\u503c\u4e5f\u662f O(1)\u5c31\u9700\u8981\u4e00\u4e2a\u8f85\u52a9\u6808\u3002<\/li>\n<li>\u5728\u538b\u5165\u65b0\u5143\u7d20\u65f6\uff0c\u5982\u679c\u8f85\u52a9\u6808\u4e3a\u7a7a\u6216\u8005\u8f85\u52a9\u6808\u9876\u5143\u7d20\u5927\u4e8e\u65b0\u5143\u7d20\uff0c\u90a3\u4e48\u65b0\u5143\u7d20\u5c31\u662f\u76ee\u524d\u6700\u5c0f\u503c\uff0c\u538b\u5165\u65b0\u5143\u7d20\uff1b\u5982\u679c\u8f85\u52a9\u6808\u9876\u5143\u7d20\u5c0f\u4e8e\u65b0\u5143\u7d20\uff0c\u90a3\u4e48\u518d\u6b21\u538b\u5165\u6808\u9876\u5143\u7d20\u3002<\/li>\n<li>\u5728\u5f39\u51fa\u5143\u7d20\u65f6\uff0c\u8f85\u52a9\u6808\u8ddf\u7740\u4e00\u8d77\u5f39\u51fa\u6808\u9876\u5143\u7d20\u3002<\/li>\n<li>\u8fd9\u6837\u5c31\u6ee1\u8db3\u4e86\u8f85\u52a9\u6808\u5185\u5b58\u50a8\u7684\u6700\u5c0f\u503c\u4e0e\u5b58\u50a8\u6570\u636e\u7684\u6808\u540c\u6b65\uff0c\u67e5\u8be2\u6700\u5c0f\u503c\u7684\u64cd\u4f5c\u662f O(1)\u7684\u3002<\/li>\n<\/ul>\n<p>\u590d\u6742\u5ea6\uff1a<\/p>\n<ul>\n<li>\u7a7a\u95f4\u590d\u6742\u5ea6\u53d6\u51b3\u4e8e\u8f93\u5165\u7684\u6570\u636e<\/li>\n<li>\u65f6\u95f4\u590d\u6742\u5ea6 O(1)<\/li>\n<\/ul>\n<pre><code>public class MinStack {      Stack&lt;Integer&gt; stack, minStack;      public MinStack() {         stack = new Stack&lt;Integer&gt;();         minStack = new Stack&lt;Integer&gt;();     }      \/*      * @param number: An integer      * @return: nothing      *\/     public void push(int number) {         stack.push(number);         if (minStack.empty() || number &lt; minStack.peek()) {             minStack.push(number);         } else {             minStack.push(minStack.peek());         }     }      \/*      * @return: An integer      *\/     public int pop() {         minStack.pop();         return stack.pop();     }      \/*      * @return: An integer      *\/     public int min() {         return minStack.peek();     } } <\/code><\/pre>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>0<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>Google \u9762\u8bd5\u9898\uff1a\u5e26\u6700\u5c0f\u503c\u64cd\u4f5c&hellip;<\/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\/163681"}],"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=163681"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/163681\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=163681"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=163681"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=163681"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}