{"id":139437,"date":"2020-07-13T22:18:04","date_gmt":"2020-07-13T14:18:04","guid":{"rendered":"http:\/\/4563.org\/?p=139437"},"modified":"2020-07-13T22:18:04","modified_gmt":"2020-07-13T14:18:04","slug":"%e4%b9%9d%e7%ab%a0%e7%ae%97%e6%b3%95-amazon-%e9%9d%a2%e8%af%95%e9%a2%98%ef%bc%9a%e8%bf%9e%e6%8e%a5%e6%a3%92%e6%9d%90%e7%9a%84%e6%9c%80%e4%bd%8e%e8%b4%b9%e7%94%a8","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=139437","title":{"rendered":"\u4e5d\u7ae0\u7b97\u6cd5 | Amazon \u9762\u8bd5\u9898\uff1a\u8fde\u63a5\u68d2\u6750\u7684\u6700\u4f4e\u8d39\u7528"},"content":{"rendered":"
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\u4e5d\u7ae0\u7b97\u6cd5 | Amazon \u9762\u8bd5\u9898\uff1a\u8fde\u63a5\u68d2\u6750\u7684\u6700\u4f4e\u8d39\u7528 <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : hakunamatata11 <\/span> <\/i> 10<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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\u4e3a\u4e86\u88c5\u4fee\u65b0\u623f\uff0c\u4f60\u9700\u8981\u52a0\u5de5\u4e00\u4e9b\u957f\u5ea6\u4e3a\u6b63\u6574\u6570\u7684\u68d2\u6750 sticks \u3002<\/p>\n

\u5982\u679c\u8981\u5c06\u957f\u5ea6\u5206\u522b\u4e3a X \u548c Y \u7684\u4e24\u6839\u68d2\u6750\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u4f60\u9700\u8981\u652f\u4ed8 X + Y \u7684\u8d39\u7528\u3002 \u7531\u4e8e\u65bd\u5de5\u9700\u8981\uff0c\u4f60\u5fc5\u987b\u5c06\u6240\u6709\u68d2\u6750\u8fde\u63a5\u6210\u4e00\u6839\u3002<\/p>\n

\u8fd4\u56de\u4f60\u628a\u6240\u6709\u68d2\u6750 sticks \u8fde\u6210\u4e00\u6839\u6240\u9700\u8981\u7684\u6700\u4f4e\u8d39\u7528\u3002\u6ce8\u610f\u4f60\u53ef\u4ee5\u4efb\u610f\u9009\u62e9\u68d2\u6750\u8fde\u63a5\u7684\u987a\u5e8f\u3002<\/p>\n

    \n
  • \u200b\u200b1\u2264sticks<\/em>.length<\/em>\u226410^4<\/li>\n
  • \u200b\u200b1\u2264sticks<\/em>[i<\/em>]\u226410^4<\/li>\n<\/ul>\n

    \u6837\u4f8b 1:<\/p>\n

    \u8f93\u5165\uff1a  [2,4,3] \u8f93\u51fa\uff1a14 \u89e3\u91ca\uff1a\u5148\u5c06 2 \u548c 3 \u8fde\u63a5\u6210 5\uff0c\u82b1\u8d39 5 \uff1b\u518d\u5c06 5 \u548c 4 \u8fde\u63a5\u6210 9 \uff1b\u603b\u82b1\u8d39\u4e3a 14 <\/code><\/pre>\n
    \u6837\u4f8b 2:<\/p>\n
    \u8f93\u5165\uff1a  [1,8,3,5] \u8f93\u51fa\uff1a30 <\/code><\/pre>\n
    [\u9898\u89e3]<\/p>\n
    \u6839\u636e\u9898\u610f\uff0c\u8003\u8651\u8d2a\u5fc3\uff0c\u6211\u4eec\u6bcf\u6b21\u5c06\u6240\u6709\u68d2\u6750\u7684\u6700\u77ed\u7684\u4e24\u6839\u5408\u5e76\uff0c\u5c06\u5408\u5e76\u540e\u7684\u68d2\u6750\u653e\u5165\u68d2\u6750\u5806\uff0c\u91cd\u590d\u5408\u5e76\u6700\u77ed\u7684\uff0c\u76f4\u5230\u68d2\u6750\u53ea\u5269\u4e0b\u4e00\u6839\u3002<\/p>\n
    \/\/ minheap \u66b4\u529b \/\/ \u76f4\u63a5\u5c06\u6240\u6709\u503c\u538b\u5165 minheap\uff0c\u6bcf\u6b21\u53d6\u524d\u4e24\u4e2a\u503c\u76f8\u52a0\u6210 merge\uff0c\u540c\u65f6\u5c06 merge \u538b\u5165 minheap public class Solution {     \/**      * @param sticks: the length of sticks      * @return: Minimum Cost to Connect Sticks      *\/     public int MinimumCost(List<Integer> sticks) {         if (sticks.size() < 2) {             return 0;         }         PriorityQueue<Integer> minHeap = new PriorityQueue<>();         for (int num : sticks) {             minHeap.add(num);         }         int res = 0;         while (minHeap.size() > 1) {             int merge = minHeap.poll() + minHeap.poll();             res += merge;             minHeap.add(merge);         }         return res;     } } \/\/ \u6392\u5e8f\uff0c\u53cc\u961f\u5217 \/\/ \u5148\u5c06\u6570\u7ec4\u6392\u5e8f\uff0c\u7136\u540e\u5f00\u59cb\u5408\u5e76\uff0c\u5408\u5e76\u540e\u7684\u503c\u653e\u5165 q2 \u672b\u5c3e\uff0c\u80fd\u591f\u4fdd\u8bc1 q2 \u4e2d\u88ab\u62bc\u5165\u7684\u503c\u662f \/\/ \u4e00\u5b9a\u5927\u4e8e\u524d\u9762\u7684\u503c\u7684\uff0c\u6bcf\u6b21\u5408\u5e76\u6211\u4eec\u8003\u8651 q1,q2 \u975e\u7a7a\u4ee5\u53ca\u6bd4\u8f83 q1[0]\u548c q2[0]\u7684\u5927\u5c0f public class Solution {     \/**      * @param sticks: the length of sticks      * @return: Minimum Cost to Connect Sticks      *\/     public int MinimumCost(List<Integer> sticks) {         Collections.sort(sticks);         Queue<Integer> q1 = new LinkedList<Integer>();         Queue<Integer> q2 = new LinkedList<Integer>();         for (int i : sticks) {             q1.add(i);         }         int res = 0,merge;         while(q1.size() + q2.size() > 1){             if(q2.isEmpty()){                 merge = q1.poll();                 merge += q1.poll();                 q2.add(merge);                 res += merge;             }             else if (q1.isEmpty()){                 merge = q2.poll();                 merge += q2.poll();                 q2.add(merge);                 res += merge;             }             else {                 if(q1.peek() > q2.peek()){                     merge = q2.poll();                 }                 else {                     merge = q1.poll();                 }                  if (q1.isEmpty()){                     merge += q2.poll();                     q2.add(merge);                     res += merge;                 }                 else if(q2.isEmpty()){                     merge += q1.poll();                     q2.add(merge);                     res += merge;                 }                 else {                     if(q1.peek() > q2.peek()){                         merge += q2.poll();                         q2.add(merge);                         res += merge;                     }                     else {                         merge += q1.poll();                         q2.add(merge);                         res += merge;                     }                    }             }         }         return res;     } } <\/code><\/pre>\n
    \u300a\u9762\u8bd5\u8f6f\u6280\u80fd\u6307\u5bfc\u00a02020 \u7248<\/strong>\u00a0–\u00a0BQ \/ Resume \/ Project\u300b<\/strong><\/p>\n
    \u8bd5\u542c\u5185\u5bb9\uff1a<\/strong><\/p>\n
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    • \n
      \u9664\u4e86\u5237\u9898\uff0c\u8fd8\u6709\u54ea\u4e9b\u6280\u80fd\u662f\u62ff\u5230 offer \u4e0d\u53ef\u6216\u7f3a\u7684\u8981\u7d20<\/p>\n<\/li>\n
    • \n
      \u5982\u4f55\u63d0\u5347\u9762\u8bd5\u8f6f\u5b9e\u529b\uff1a\u7b80\u5386, \u884c\u4e3a\u9762\u8bd5\uff0c\u6c9f\u901a\u80fd\u529b<\/p>\n<\/li>\n
    • \n
      \u73b0\u573a\u6a21\u62df\u9762\u8bd5 – Dealing With Ambiguity<\/p>\n<\/li>\n<\/ul>\n
      \u514d\u8d39\u8bd5\u542c\u65f6\u95f4\uff1a<\/strong><\/p>\n
      \u5317\u4eac\u65f6\u95f4 7 \u6708 27 \u65e5\u00a0\u5468\u4e00\u00a009\uff1a30<\/p>\n
      \u6233\u6211\u5373\u53ef\u514d\u8d39\u62a5\u540d\u5662<\/p>\n<\/p><\/div>\n
       \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (0<\/span>)        <\/div>\n
       <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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      • \n","protected":false},"excerpt":{"rendered":"
        \u4e5d\u7ae0\u7b97\u6cd5 | Amazon \u9762\u8bd5\u9898…<\/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\/139437"}],"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=139437"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/139437\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=139437"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=139437"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=139437"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}