{"id":159348,"date":"2020-09-23T02:03:09","date_gmt":"2020-09-22T18:03:09","guid":{"rendered":"http:\/\/4563.org\/?p=159348"},"modified":"2020-09-23T02:03:09","modified_gmt":"2020-09-22T18:03:09","slug":"google-%e9%9d%a2%e8%af%95%e9%a2%98%ef%bc%9a%e6%95%b0%e6%8d%ae%e6%b5%81%e4%b8%ad%e4%bd%8d%e6%95%b0%ef%bc%88%e5%8a%9b%e6%89%a3%e6%b2%a1%e6%89%be%e5%88%b0%ef%bc%89","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=159348","title":{"rendered":"Google \u9762\u8bd5\u9898\uff1a\u6570\u636e\u6d41\u4e2d\u4f4d\u6570\uff08\u529b\u6263\u6ca1\u627e\u5230\uff09"},"content":{"rendered":"
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Google \u9762\u8bd5\u9898\uff1a\u6570\u636e\u6d41\u4e2d\u4f4d\u6570\uff08\u529b\u6263\u6ca1\u627e\u5230\uff09 <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : zzzrf <\/span> <\/i> 0<\/span> <\/div>\n
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\u6570\u5b57\u662f\u4e0d\u65ad\u8fdb\u5165\u6570\u7ec4\u7684\uff0c\u5728\u6bcf\u6b21\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u6570\u8fdb\u5165\u6570\u7ec4\u7684\u540c\u65f6\u8fd4\u56de\u5f53\u524d\u65b0\u6570\u7ec4\u7684\u4e2d\u4f4d\u6570\u3002<\/p>\n

\u8bf4\u660e<\/h2>\n

\u4e2d\u4f4d\u6570\u7684\u5b9a\u4e49\uff1a<\/p>\n

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  • \u8fd9\u91cc\u7684\u4e2d\u4f4d\u6570\u4e0d\u7b49\u540c\u4e8e\u6570\u5b66\u5b9a\u4e49\u91cc\u7684\u4e2d\u4f4d\u6570\u3002<\/li>\n
  • \u4e2d\u4f4d\u6570\u662f\u6392\u5e8f\u540e\u6570\u7ec4\u7684\u4e2d\u95f4\u503c\uff0c\u5982\u679c\u6709\u6570\u7ec4\u4e2d\u6709 n \u4e2a\u6570\uff0c\u5219\u4e2d\u4f4d\u6570\u4e3a A[(n\u22121)\/2]\u3002<\/li>\n
  • \u6bd4\u5982\uff1a\u6570\u7ec4 A=[1,2,3]\u7684\u4e2d\u4f4d\u6570\u662f 2\uff0c\u6570\u7ec4 A=[1,19]\u7684\u4e2d\u4f4d\u6570\u662f 1 \u3002<\/li>\n<\/ul>\n

    \u70b9\u6b64\u5728\u7ebf\u505a\u9898<\/h2>\n

    \u6837\u4f8b 1<\/h2>\n
    \u8f93\u5165: [1,2,3,4,5] \u8f93\u51fa: [1,1,2,2,3] \u6837\u4f8b\u8bf4\u660e\uff1a [1] \u548c [1,2] \u7684\u4e2d\u4f4d\u6570\u662f 1. [1,2,3] \u548c [1,2,3,4] \u7684\u4e2d\u4f4d\u6570\u662f 2. [1,2,3,4,5] \u7684\u4e2d\u4f4d\u6570\u662f 3. <\/code><\/pre>\n
    \u6837\u4f8b 2<\/h2>\n
    \u8f93\u5165: [4,5,1,3,2,6,0] \u8f93\u51fa: [4,4,4,3,3,3,3] \u6837\u4f8b\u8bf4\u660e\uff1a [4], [4,5] \u548c [4,5,1] \u7684\u4e2d\u4f4d\u6570\u662f 4. [4,5,1,3], [4,5,1,3,2], [4,5,1,3,2,6] \u548c [4,5,1,3,2,6,0] \u7684\u4e2d\u4f4d\u6570\u662f 3. <\/code><\/pre>\n
    \u9898\u89e3<\/h2>\n
    \u7528 maxheap \u4fdd\u5b58\u5de6\u534a\u90e8\u5206\u7684\u6570\uff0c\u7528 minheap \u4fdd\u5b58\u53f3\u534a\u90e8\u5206\u7684\u6570\u3002 \u628a\u6240\u6709\u7684\u6570\u4e00\u5de6\u4e00\u53f3\u7684\u52a0\u5165\u5230\u6bcf\u4e2a\u90e8\u5206\u3002\u5de6\u8fb9\u90e8\u5206\u6700\u5927\u7684\u6570\u5c31\u4e00\u76f4\u90fd\u662f median \u3002 \u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u5de6\u8fb9\u90e8\u5206\u5e76\u4e0d\u5b8c\u5168\u90fd <= \u53f3\u8fb9\u90e8\u5206\u7684\u60c5\u51b5\u3002\u8fd9\u79cd\u60c5\u51b5\u53d1\u751f\u7684\u65f6\u5019\uff0c\u4ea4\u6362\u5de6\u8fb9\u6700\u5927\u548c\u53f3\u8fb9\u6700\u5c0f\u7684\u6570\u5373\u53ef\u3002<\/p>\n
    public class Solution {     \/**      * @param nums: A list of integers.      * @return: the median of numbers      *\/     private PriorityQueue<Integer> maxHeap, minHeap;     private int numOfElements = 0;      public int[] medianII(int[] nums) {         \/\/ write your code here         Comparator<Integer> revCmp = new Comparator<Integer>() {             @Override             public int compare(Integer left, Integer right) {                 return right.compareTo(left);             }         };         int cnt = nums.length;         maxHeap = new PriorityQueue<Integer>(cnt, revCmp);         minHeap = new PriorityQueue<Integer>(cnt);         int[] ans = new int[cnt];         for (int i = 0; i < cnt; ++i) {             addNumber(nums[i]);             ans[i] = getMedian();         }         return ans;     }     void addNumber(int value) {         maxHeap.add(value);         if (numOfElements%2 == 0) {             if (minHeap.isEmpty()) {                 numOfElements++;                 return;             }             else if (maxHeap.peek() > minHeap.peek()) {                 Integer maxHeapRoot = maxHeap.poll();                 Integer minHeapRoot = minHeap.poll();                 maxHeap.add(minHeapRoot);                 minHeap.add(maxHeapRoot);             }         }         else {             minHeap.add(maxHeap.poll());         }         numOfElements++;     }     int getMedian() {         return maxHeap.peek();     } } <\/code><\/pre>\n<\/p><\/div>\n
     \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (6<\/span>)        <\/div>\n
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       \u8cc7\u6df1\u5927\u4f6c : binux <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u6211\u8fd8\u4ee5\u4e3a\u4f60\u6709\u51e0\u4ebf\u4e2a\u6570\u636e\u6d41\u627e\u4e2d\u4f4d\u6570\u5462\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
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       \u8cc7\u6df1\u5927\u4f6c : AlohaV2 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   https:\/\/i.loli.net\/2020\/09\/22\/zoI9BSqLpxVgPQX.jpg 
      \u63a8\u5e7f\u8bf7\u53d1\u63a8\u5e7f\u533a\u5427\u3002\u53e6\u5916\u4e0d\u8981\u6807\u9898\u515a\uff0cLC \u5f88\u4e45\u524d\u5c31\u6709\u8fd9\u9898\u4e86 https:\/\/leetcode.com\/problems\/find-median-from-data-stream\/                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
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       \u8cc7\u6df1\u5927\u4f6c : txx <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u76f4\u63a5\u4e0a\u5e73\u8861\u6811\u554a\uff0c\u6c42 k \u5927\u6570\u4e0d\u662f\u6807\u51c6\u6a21\u677f\u9898\u4e48                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
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       \u8cc7\u6df1\u5927\u4f6c : XDy0 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @txx \u6709\u63a8\u8350\u7684\u6a21\u677f\u9898\u9879\u76ee\u4e0d\uff0c\u6700\u8fd1\u9700\u8981\u51b2\u523a\u4e00\u4e0b\uff0c\u4e0d\u77e5\u9053\u600e\u4e48\u4e0a\u624b\u5feb\u3002\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
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       \u8cc7\u6df1\u5927\u4f6c : binspark <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u5251\u6307 offer \u539f\u9898\u3002\u4e24\u4e2a\u5806\u6216\u8005\u5e73\u8861\u6811
      https:\/\/www.nowcoder.com\/practice\/9be0172896bd43948f8a32fb954e1be1?tpId=13&&tqId=11216&rp=1&ru=\/ta\/coding-interviews&qru=\/ta\/coding-interviews\/question-ranking                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
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       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zzzrf <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @AlohaV2 \u786e\u5b9e\u627e\u4e86\u6ca1\u627e\u5230\uff0c\u6211\u4e00\u5f00\u59cb\u4e5f\u627e\u4e86\u8fd9\u9898\u4f46\u4e0d\u4e00\u6837\uff0c\u662f\u4e0b\u9762\u5927\u4f6c\u53d1\u7684\u90a3\u9053                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n","protected":false},"excerpt":{"rendered":"
      Google \u9762\u8bd5\u9898\uff1a\u6570\u636e\u6d41\u4e2d\u4f4d\u6570…<\/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\/159348"}],"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=159348"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/159348\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=159348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=159348"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=159348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}