{"id":1403,"date":"2024-02-01T12:21:02","date_gmt":"2024-02-01T04:21:02","guid":{"rendered":"http:\/\/zyg.luchers.cn\/?p=1403"},"modified":"2024-02-01T12:21:02","modified_gmt":"2024-02-01T04:21:02","slug":"239-%e6%bb%91%e5%8a%a8%e7%aa%97%e5%8f%a3%e6%9c%80%e5%a4%a7%e5%80%bc%e3%80%90%e5%9b%b0%e9%9a%be%e3%80%91","status":"publish","type":"post","link":"http:\/\/zyg.luchers.cn\/index.php\/2024\/02\/01\/239-%e6%bb%91%e5%8a%a8%e7%aa%97%e5%8f%a3%e6%9c%80%e5%a4%a7%e5%80%bc%e3%80%90%e5%9b%b0%e9%9a%be%e3%80%91\/","title":{"rendered":"239. \u6ed1\u52a8\u7a97\u53e3\u6700\u5927\u503c\u3010\u56f0\u96be\u3011"},"content":{"rendered":"

239. \u6ed1\u52a8\u7a97\u53e3\u6700\u5927\u503c\u3010\u56f0\u96be\u3011<\/h1>\n

\u9898\u76ee<\/h2>\n

\u7ed9\u4f60\u4e00\u4e2a\u6574\u6570\u6570\u7ec4 nums\uff0c\u6709\u4e00\u4e2a\u5927\u5c0f\u4e3a k \u7684\u6ed1\u52a8\u7a97\u53e3\u4ece\u6570\u7ec4\u7684\u6700\u5de6\u4fa7\u79fb\u52a8\u5230\u6570\u7ec4\u7684\u6700\u53f3\u4fa7\u3002\u4f60\u53ea\u53ef\u4ee5\u770b\u5230\u5728\u6ed1\u52a8\u7a97\u53e3\u5185\u7684 k \u4e2a\u6570\u5b57\u3002\u6ed1\u52a8\u7a97\u53e3\u6bcf\u6b21\u53ea\u5411\u53f3\u79fb\u52a8\u4e00\u4f4d\u3002<\/p>\n

\u8fd4\u56de \u6ed1\u52a8\u7a97\u53e3\u4e2d\u7684\u6700\u5927\u503c \u3002<\/p>\n

\u793a\u4f8b 1\uff1a<\/p>\n

\u8f93\u5165\uff1anums = [1,3,-1,-3,5,3,6,7], k = 3
\n\u8f93\u51fa\uff1a[3,3,5,5,6,7]
\n\u89e3\u91ca\uff1a
\n\u6ed1\u52a8\u7a97\u53e3\u7684\u4f4d\u7f6e \u6700\u5927\u503c<\/p>\n

\n

[1 3 -1] -3 5 3 6 7 3
\n1 [3 -1 -3] 5 3 6 7 3
\n1 3 [-1 -3 5] 3 6 7 5
\n1 3 -1 [-3 5 3] 6 7 5
\n1 3 -1 -3 [5 3 6] 7 6
\n1 3 -1 -3 5 [3 6 7] 7
\n\u793a\u4f8b 2\uff1a<\/p>\n

\u8f93\u5165\uff1anums = [1], k = 1
\n\u8f93\u51fa\uff1a[1]<\/p>\n

\u63d0\u793a\uff1a<\/p>\n

1 <= nums.length <= 105
\n-104 <= nums[i] <= 104
\n1 <= k <= nums.length<\/p>\n

\u601d\u8def<\/h2>\n

1\u3001\u6211\u4eec\u9700\u8981\u8bbe\u8ba1\u4e00\u4e2a\u5355\u8c03\u961f\u5217\uff0c\u8fd9\u91cc\u662f\u7b2c\u4e00\u6b21\u51fa\u73b0\uff0c\u548c\u5355\u8c03\u6808\u6709\u6240\u4e0d\u540c
\n2\u3001pop(value)\uff1a\u5982\u679c\u7a97\u53e3\u79fb\u9664\u7684\u5143\u7d20value\u7b49\u4e8e\u5355\u8c03\u961f\u5217\u7684\u51fa\u53e3\u5143\u7d20\uff0c\u90a3\u4e48\u961f\u5217\u5f39\u51fa\u5143\u7d20\uff0c\u5426\u5219\u4e0d\u7528\u4efb\u4f55\u64cd\u4f5c
\n3\u3001push(value)\uff1a\u5982\u679cpush\u7684\u5143\u7d20value\u5927\u4e8e\u5165\u53e3\u5143\u7d20\u7684\u6570\u503c\uff0c\u90a3\u4e48\u5c31\u5c06\u961f\u5217\u5165\u53e3\u7684\u5143\u7d20\u5f39\u51fa\uff0c\u76f4\u5230push\u5143\u7d20\u7684\u6570\u503c\u5c0f\u4e8e\u7b49\u4e8e\u961f\u5217\u5165\u53e3\u5143\u7d20\u7684\u6570\u503c\u4e3a\u6b62
\n4\u3001\u4fdd\u6301\u5982\u4e0a\u89c4\u5219\uff0c\u6bcf\u6b21\u7a97\u53e3\u79fb\u52a8\u7684\u65f6\u5019\uff0c\u53ea\u8981\u95eeque.front()\u5c31\u53ef\u4ee5\u8fd4\u56de\u5f53\u524d\u7a97\u53e3\u7684\u6700\u5927\u503c\u3002
\n5\u3001\u9898\u89e3\u4e2d\u5355\u8c03\u961f\u5217\u91cc\u7684pop\u548cpush\u63a5\u53e3\uff0c\u4ec5\u9002\u7528\u4e8e\u672c\u9898\u54c8\u3002\u5355\u8c03\u961f\u5217\u4e0d\u662f\u4e00\u6210\u4e0d\u53d8\u7684\uff0c\u800c\u662f\u4e0d\u540c\u573a\u666f\u4e0d\u540c\u5199\u6cd5\uff0c\u603b\u4e4b\u8981\u4fdd\u8bc1\u961f\u5217\u91cc\u5355\u8c03\u9012\u51cf\u6216\u9012\u589e\u7684\u539f\u5219\uff0c\u6240\u4ee5\u53eb\u505a\u5355\u8c03\u961f\u5217\u3002<\/p>\n

\u4ee3\u7801\u5b9e\u73b0\u3010java\u3011<\/h2>\n
class Solution {\n    public int[] maxSlidingWindow(int[] nums, int k) {\n        \/\/ \u5982\u679c\u53ea\u6709\u4e00\u4e2a\u5143\u7d20\u5c31\u8fd4\u56de\u672c\u8eab\n        if(nums.length==1){\n            return nums;\n        }\n        \/\/ \u5b9a\u4e49\u6ed1\u52a8\u7a97\u53e3\u7684\u957f\u5ea6\n        int len = nums.length-k+1;\n        \/\/ \u5b58\u653e\u7ed3\u679c\u5143\u7d20\u7684\u6570\u7ec4   \n        int [] res = new int[len];\n\n        int num = 0;\n        \/\/ \u81ea\u5b9a\u4e49\u961f\u5217\n        MyQueue myQueue = new MyQueue();\n        \/\/ \u5c06\u524dk\u4e2a\u5143\u7d20\u653e\u5165\u961f\u5217\n        for(int i =0;i<k;i++){\n            myQueue.add(nums[i]);\n        }\n        \/\/ \u5c06\u961f\u5217\u4e2d\u7684\u6570\u636e\u53d6\u51fa\u653e\u5165\u5230res\u7ed3\u679c\u96c6\u4e2d\n        res[num++] = myQueue.peek();\n        for(int i =k;i<nums.length;i++){\n            \/\/ \u5224\u65ad\u8be5\u5143\u7d20\u662f\u5426\u653e\u5165\u961f\u5217\uff0c\u6211\u4eec\u7528\u6ed1\u52a8\u7a97\u53e3\u79fb\u9664\u6700\u524d\u9762\u7684\u5143\u7d20\n            myQueue.poll(nums[i-k]);\n            \/\/ \u6ed1\u52a8\u7a97\u53e3\u52a0\u5165\u6700\u540e\u9762\u7684\u5143\u7d20\n            myQueue.add(nums[i]);\n            \/\/ \u8bb0\u5f55\u6700\u5927\u7684\u503c\n            res[num++] = myQueue.peek();\n        }\n    return res;\n\n    }\n}\n\nclass MyQueue{\n    Deque<Integer> deque = new LinkedList<>();\n    \/\/ \u5f39\u51fa\u5143\u7d20\uff0c\u9700\u8981\u6bd4\u8f83\u5f53\u524d\u5f39\u51fa\uff0c\u6bd4\u8f83\u5f39\u51fa\u7684\u6570\u503c\u662f\u5426\u7b49\u4e8e\u961f\u5217\u51fa\u53e3\u7684\u6570\u503c\uff0c\u5982\u679c\u76f8\u7b49\u5c31\u5f39\u51fa\n    \/\/ \u8fd8\u8981\u5224\u65ad\u961f\u5217\u5f53\u524d\u662f\u5426\u4e3a\u7a7a\n    void poll( int value){\n        if(!deque.isEmpty() && value==deque.peek()){\n            deque.poll();\n        }\n    }\n\n    \/\/ \u6dfb\u52a0\u5143\u7d20\uff0c\u5982\u679c\u6dfb\u52a0\u7684\u5143\u7d20\u5927\u4e8e\u5165\u53e3\u51fa\u7684\u5143\u7d20\uff0c\u5c31\u5c06\u5165\u53e3\u5143\u7d20\u5f39\u51fa\n    \/\/ \u4fdd\u8bc1\u961f\u5217\u5143\u7d20\u5355\u8c03\u9012\u51cf\n    \/\/ \/\/\u6bd4\u5982\u6b64\u65f6\u961f\u5217\u5143\u7d203,1\uff0c2\u5c06\u8981\u5165\u961f\uff0c\u6bd41\u5927\uff0c\u6240\u4ee51\u5f39\u51fa\uff0c\u6b64\u65f6\u961f\u5217\uff1a3,2\n    void add(int value){\n        while(!deque.isEmpty() && value>deque.getLast()){\n            deque.removeLast();\n        }\n        deque.add(value);\n    }\n\n    \/\/ \u961f\u5217\u961f\u9876\u5143\u7d20\u59cb\u7ec8\u4e3a\u6700\u5927\u503c\n    int peek(){\n        return deque.peek();\n    }\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
239. \u6ed1\u52a8\u7a97\u53e3\u6700\u5927\u503c\u3010\u56f0\u96be\u3011 \u9898\u76ee \u7ed9\u4f60\u4e00\u4e2a\u6574\u6570\u6570\u7ec4 nums\uff0c\u6709\u4e00\u4e2a\u5927\u5c0f\u4e3a k \u7684\u6ed1\u52a8\u7a97\u53e3\u4ece\u6570\u7ec4\u7684\u6700\u5de6\u4fa7 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1403","post","type-post","status-publish","format-standard","hentry","category-stack"],"_links":{"self":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/1403","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1403"}],"version-history":[{"count":0,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/1403\/revisions"}],"wp:attachment":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1403"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}