{"id":643,"date":"2014-07-19T14:24:02","date_gmt":"2014-07-19T14:24:02","guid":{"rendered":"http:\/\/ixyzero.com\/blog\/?p=643"},"modified":"2014-07-19T14:24:02","modified_gmt":"2014-07-19T14:24:02","slug":"python%e6%89%be%e5%87%ba%e6%95%b0%e7%bb%84%e4%b8%ad%e5%87%ba%e7%8e%b0%e9%a2%91%e7%8e%87%e8%b6%85%e8%bf%87%e4%b8%80%e5%8d%8a%e7%9a%84%e6%95%b0","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/643.html","title":{"rendered":"[Python]\u627e\u51fa\u6570\u7ec4\u4e2d\u51fa\u73b0\u9891\u7387\u8d85\u8fc7\u4e00\u534a\u7684\u6570"},"content":{"rendered":"<h6><span style=\"color: #000000;\"><strong>\u9898\u76ee<\/strong>\uff1a<\/span><\/h6>\n<p>\u6709\u4e00\u4e2a\u4e71\u5e8f\u7684\u6570\u7ec4\uff0c\u5176\u4e2d\u6709\u4e00\u4e2a\u6570\u5360\u4e86\u4e00\u534a\u4ee5\u4e0a\uff0c\u8bf7\u627e\u51fa\u8fd9\u4e2a\u6570\u3002<\/p>\n<h6>\u4e09\u79cd\u89e3\u6cd5\uff1a<\/h6>\n<ol>\n<li>\u4e00\u6b21\u904d\u5386\uff0c\u7b5b\u6389\u4e24\u4e2a\u4e0d\u540c\u7684\u6570\uff0c\u5176\u5269\u4f59\u6570\u7ec4\u4e2d\uff0c\u9891\u7387\u8d85\u8fc7\u4e00\u534a\u7684\u6570\u8fd8\u662f\u8d85\u8fc7\u4e00\u534a&#8230;<\/li>\n<li>\u6392\u5e8f\uff0c\u9009\u53d6\u4e2d\u95f4\u7684\u90a3\u4e2a\u6570\uff0c\u5373\u662f<\/li>\n<li>\u653e\u5230MAP\u4e2d\uff0c\u9009\u53d6\u9891\u7387\u6700\u9ad8\u7684\u90a3\u4e2a\u6570<\/li>\n<\/ol>\n<hr \/>\n<h6>Python\u4ee3\u7801\u5982\u4e0b\uff1a<\/h6>\n<pre class=\"lang:default decode:true \">#!\/usr\/bin\/env python\n# coding=utf-8\nimport random\n\nspecified = 4;\n\n# generate standard sample\ndef f(x):\n    if x%2 == 0 or x%7 == 0: return specified\n    return random.randint(1,100)\narray = map(f, xrange(0,100))\n#print array\n#random.shuffle(array)\n#print array\nprint array.count(specified)\n\n# findout the value , Tree method to solve the question:\ndef findoutSpecifiedByIterOnce(array):\n    temp = array[0]\n    count = 1\n    for i in xrange(1, len(array)):\n        if count == 0:\n            temp = array[i]\n            count += 1\n            continue\n        if temp == array[i]:\n            count += 1\n        else:\n            count -= 1\n    #print \"show \", temp\n    return temp\n\ndef findoutSpecifiedBySort(array):\n    array.sort()\n    return array[len(array)\/2]\n\ndef findoutSpecifiedByMap(array):\n    arrayCountMap = {x : array.count(x) for x in set(array)}\n    return sorted(arrayCountMap.items(), key=lambda arrayCountMap:arrayCountMap[1], reverse=True)[0][0]\n\nprint findoutSpecifiedByIterOnce(array) == specified\nprint findoutSpecifiedByMap(array) == specified\nprint findoutSpecifiedBySort(array) == specified<\/pre>\n<h6>\u53c2\u8003\u7f51\u5740\uff1a<\/h6>\n<p><a href=\"http:\/\/outofmemory.cn\/\" target=\"_blank\">http:\/\/outofmemory.cn\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9898\u76ee\uff1a \u6709\u4e00\u4e2a\u4e71\u5e8f\u7684\u6570\u7ec4\uff0c\u5176\u4e2d\u6709\u4e00\u4e2a\u6570\u5360\u4e86\u4e00\u534a\u4ee5\u4e0a\uff0c\u8bf7\u627e\u51fa\u8fd9\u4e2a\u6570\u3002 \u4e09\u79cd\u89e3\u6cd5\uff1a \u4e00\u6b21\u904d\u5386\uff0c\u7b5b\u6389\u4e24\u4e2a\u4e0d\u540c\u7684\u6570\uff0c\u5176 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,7],"tags":[109,8],"class_list":["post-643","post","type-post","status-publish","format-standard","hentry","category-knowledgebase-2","category-programing","tag-algorithm","tag-python"],"views":2107,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/643","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=643"}],"version-history":[{"count":0,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/643\/revisions"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=643"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}