{"id":175689,"date":"2022-04-20T11:43:15","date_gmt":"2022-04-20T03:43:15","guid":{"rendered":"http:\/\/www.idc.net\/help\/175689\/"},"modified":"2022-04-20T11:43:15","modified_gmt":"2022-04-20T03:43:15","slug":"%e5%90%8e%e6%b5%aa%e4%ba%91python%e6%95%99%e7%a8%8b%ef%bc%9apython%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84%e5%a0%86%e7%9a%84%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/175689\/","title":{"rendered":"\u540e\u6d6a\u4e91Python\u6559\u7a0b\uff1apython\u6570\u636e\u7ed3\u6784\u5806\u7684\u4ecb\u7ecd"},"content":{"rendered":"

<\/p>\n

\u8bf4\u660e<\/strong><\/p>\n

1\u3001\u5806\u662f\u7528\u6570\u636e\u7ed3\u6784\u6765\u5b9e\u73b0\u7684\u4e00\u79cd\u7b97\u6cd5\uff1a\u6811\uff0c\u6570\u7ec4\u5747\u53ef\u3002\u5806\u672c\u8eab\u662f\u4e00\u68f5\u5b8c\u5168\u4e8c\u53c9\u6811\u3002<\/p>\n

2\u3001\u7279\u70b9\uff0c\u5806\uff1a\u6240\u6709\u7236\u8282\u70b9\u7684\u503c\u5927\u4e8e\u5b50\u8282\u70b9\u7684\u503c\u3002\u6700\u5c0f\u5806\uff0c\u6240\u6709\u7236\u8282\u70b9\u7684\u503c\u5c0f\u4e8e\u5b50\u8282\u70b9\u7684\u503c\u3002<\/p>\n

\u5b9e\u4f8b<\/strong><\/p>\n

class Heap(object):\n    def __init__(self, list=[]):\n        self.root = None\n        self.list = list\n        self.tree = None\n        self.len = len(list)\n \n    # \u5efa\u5806\n    def bulid_heap(self):\n        if self.list != []:\n            final_parent_node = int((self.len - 1) \/ 2)\n            while final_parent_node >= 0:\n                self.heapfy(final_parent_node, self.len)\n                final_parent_node -= 1\n \n    # \u5bf9\u5f53\u524d\u8282\u70b9\u4ee5\u53ca\u5411\u4e0b\u6240\u6709\u5b50\u8282\u70b9\u7684\u4e00\u6b21\u8282\u70b9\u4ea4\u6362\n    def heapfy(self, node, len):\n        node_left = 2 * node + 1\n        node_right = 2 * node + 2\n        max = node\n        if node_left < len and self.list[node_left] > self.list[max]:\n            max = node_left\n        if node_right < len and self.list[node_right] > self.list[max]:\n            max = node_right\n        if max != node:\n            self.swap(max, node)\n            self.heapfy(max, len)\n \n    # \u4ea4\u6362\u5143\u7d20\u65b9\u6cd5\n    def swap(self, i, j):\n        self.list[j], self.list[i] = self.list[i], self.list[j]\n \n    # \u5806\u6392\u5e8f\n    def heap_sort(self):\n        len = self.len - 1\n        while len >= 0:\n            self.swap(0, len)\n            self.heapfy(0, len)\n            len -= 1\n \n \nif __name__ == \"__main__\":\n    list = [5, 7, 3, 1, 10, 0]\n    heap = Heap(list)\n    print(\"\u521d\u59cb\u5217\u8868\uff1a{}\".format(heap.list))\n    heap.bulid_heap()\n    print(\"\u5806\u5316\uff1a{}\".format(heap.list))\n    heap.heap_sort()\n    print(\"\u6392\u5e8f\uff1a{}\".format(heap.list))<\/pre>\n
\u4ee5\u4e0a\u5c31\u662fpython\u6570\u636e\u7ed3\u6784\u5806\u7684\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\u3002\u66f4\u591aPython\u5b66\u4e60\u6307\u8def\uff1a<\/span>\u540e\u6d6a\u4e91python\u6559\u7a0b<\/span><\/p>\n
\u672c\u6587\u6559\u7a0b\u64cd\u4f5c\u73af\u5883\uff1awindows7\u7cfb\u7edf\u3001Python 3.9.1\uff0cDELL G3\u7535\u8111\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"
\u8bf4\u660e 1\u3001\u5806\u662f\u7528\u6570\u636e\u7ed3\u6784\u6765\u5b9e\u73b0\u7684\u4e00\u79cd\u7b97\u6cd5\uff1a\u6811\uff0c\u6570\u7ec4\u5747\u53ef\u3002\u5806\u672c\u8eab\u662f\u4e00\u68f5\u5b8c\u5168\u4e8c\u53c9\u6811\u3002 2\u3001\u7279\u70b9\uff0c\u5806\uff1a\u6240\u6709\u7236\u8282\u70b9\u7684\u503c […]<\/p>\n","protected":false},"author":1,"featured_media":175690,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[182397],"tags":[],"class_list":["post-175689","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/175689","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=175689"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/175689\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media\/175690"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=175689"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=175689"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=175689"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}