{"id":149442,"date":"2020-08-25T06:02:43","date_gmt":"2020-08-24T22:02:43","guid":{"rendered":"http:\/\/4563.org\/?p=149442"},"modified":"2020-08-25T06:02:43","modified_gmt":"2020-08-24T22:02:43","slug":"%e8%bf%99%e4%b8%aa%e7%ae%97%e4%bb%80%e4%b9%88%e6%8e%92%e5%ba%8f%e7%ae%97%e6%b3%95%e5%95%8a","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=149442","title":{"rendered":"\u8fd9\u4e2a\u7b97\u4ec0\u4e48\u6392\u5e8f\u7b97\u6cd5\u554a?"},"content":{"rendered":"
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\u8fd9\u4e2a\u7b97\u4ec0\u4e48\u6392\u5e8f\u7b97\u6cd5\u554a? <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : zhanglintc <\/span> <\/i> 9<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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\u6211\u89c9\u5f97\u8fd9\u4e2a\u5927\u6982\u662f\u6700\u5bb9\u6613\u60f3\u5230\u7684\u6392\u5e8f\u7b97\u6cd5\u4e86\u5427(\u6bd4\u5192\u6ce1\u66f4\u5bb9\u6613\u60f3\u5230\u5427?)<\/p>\n

def normal(a):     for i in range(len(a)):         for j in range(i, len(a)):             if a[i] > a[j]:                 a[i], a[j] = a[j], a[i] <\/code><\/pre>\n
\u4f46\u662f\u8fd9\u4e2a\u7b97\u6cd5\u6709\u540d\u5b57\u4e48… \u800c\u4e14\u6211\u8bd5\u4e86\u4e0b, \u8fd9\u4e2a\u7b97\u6cd5\u6bd4\u5192\u6ce1\u66f4\u5feb:<\/p>\n
def timer(func):     import functools     @functools.wraps(func)     def wrapper(*args, **kwargs):         import time         t1 = time.time()         func(*args, **kwargs)         t2 = time.time()         print(f\"{func.__name__}: {t2 - t1} secs\")     return wrapper  @timer def bubble(a):     for i in range(len(a)):         for j in range(len(a) - i - 1):             if a[j] > a[j + 1]:                 a[j], a[j + 1] = a[j + 1], a[j]  @timer def normal(a):     for i in range(len(a)):         for j in range(i, len(a)):             if a[i] > a[j]:                 a[i], a[j] = a[j], a[i]  import random a = [random.randint(0, 100000) for x in range(2000)]  normal(a[:]) bubble(a[:]) <\/code><\/pre>\n
\u7ed3\u679c(\u8bd5\u4e86\u5f88\u591a\u6b21\u4e86, \u6570\u636e\u91cf\u5927\u66f4\u660e\u663e, normal \u5c31\u6ca1\u6709\u6bd4 bubble \u66f4\u6162\u8fc7):<\/p>\n
running [py.py] ...  normal: 1.0199034214019775 secs bubble: 1.4529473781585693 secs  Press ENTER or type command to continue <\/code><\/pre>\n
\u6240\u4ee5\u5404\u4f4d, \u8fd9\u4e2a\u7b97\u6cd5\u6709\u540d\u5b57\u4e48… \u4e3a\u4ec0\u4e48\u8fd9\u4e2a\u7b97\u6cd5\u65e2\u5bb9\u6613\u60f3\u5230, \u53c8\u6bd4\u5192\u6ce1\u5feb, \u5374\u6ca1\u6709\u5192\u6ce1\u51fa\u540d\u5462…<\/p>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (13<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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  • \n
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     \u8cc7\u6df1\u5927\u4f6c : across <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e2d\u5b66\u751f\uff1f
    \u4f60\u770b\u7684\u7b97\u6cd5\u6559\u6750\u91cc\u9762\uff0c\u96be\u9053\u6ca1\u5199\u6bcf\u4e2a\u7b97\u6cd5\u5728\u4e0d\u540c\u60c5\u51b5\u4e0b\u7684\u590d\u6742\u5ea6\u4e48\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : thedrwu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e00\u822c\u53eb\u505a\u4ea4\u6362\u6392\u5e8f\u3002\u3002swap sort                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : thedrwu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e5f\u8bb8\u4f60\u628a\u5192\u6ce1\u63d0\u524d\u5580\u5693\u4e86\uff0c\u5c31\u4f1a\u6bd4\u8fd9\u4e2a\u5feb                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : Perry <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e24\u4e2a O(n^2) \u7684\u7b97\u6cd5\u7528\u79d2\u8868\u6bd4\u8f83\u8c01\u66f4\u5feb\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zhanglintc <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @thedrwu \u563f\uff0c\u771f\u662f\u53eb\u4ea4\u6362\u6392\u5e8f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : Ehend <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8fd9\u60f3\u6cd5\u548c\u63d2\u5165\u6392\u5e8f\u4e00\u6837\u5427                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zhanglintc <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @Perry \u662f\u6ca1\u591a\u5927\u610f\u601d\uff0c\u4f46\u662f\u611f\u89c9\u53cd\u6b63\u4fe9\u90fd\u662f O(n^2)\uff0c\u968f\u624b\u5199\u7684\u65f6\u5019\u8fd8\u4e0d\u5982\u7528\u7b2c\u4e00\u4e2a\u7b80\u5355\u70b9\uff0c\u5192\u6ce1\u5176\u5b9e\u8fd8\u633a\u9ebb\u70e6\u7684…                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zhanglintc <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @Ehend \u6211\u770b\u7740\u8ddf\u9009\u62e9\u6392\u5e8f\u633a\u50cf\u7684\uff0c\u9009\u62e9\u6392\u5e8f\u91cc\u5c42\u5faa\u73af\u53ea\u662f\u7ef4\u62a4\u4e00\u4e2a min \u503c\uff0c\u4e0d\u7528\u505a\u90a3\u4e48\u591a\u6b21\u4ea4\u6362\uff0c\u53ea\u9700\u8981\u6700\u540e\u628a min \u503c\u548c\u4e0b\u6807 i \u7684\u503c\u4ea4\u6362\u4e0b\u5c31\u884c\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : thedrwu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e0d\u8fc7\u4f60\u8fd9\u4e2a\u5192\u6ce1\u5b9e\u73b0\u5f97\u4e0d\u5408\u7406\u3002\u7adf\u7136\u4e0d\u662f\u4e00\u5192\u5230\u5e95\u3002
    \u66f4\u53ef\u6015\u7684\u662f\u6211\u7adf\u7136\u4e3a\u4e86\u6682\u65f6\u9003\u907f\u5de5\u4f5c\u6765\u56de\u8fd9\u79cd\u5e16\u5b50\u3002\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zhanglintc <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @thedrwu \u8fd9\u662f\u6211\u4ece\u7ef4\u57fa\u767e\u79d1\u6252\u62c9\u4e0b\u6765\u7684\u5192\u6ce1…                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : raaaaaar <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u627e\u4e2a\u65f6\u95f4\u628a\u57fa\u7840\u7684\u6392\u5e8f\u7b97\u6cd5\u5b66\u4e00\u904d\u5427                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : JJstyle <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @zhanglintc #8 \u8fd9\u5c31\u662f\u9009\u62e9\u6392\u5e8f\u5427\uff0c\u5185\u5faa\u73af\u6ca1\u5fc5\u8981\u7acb\u5373\u4ea4\u6362\u4e24\u4e2a\u5143\u7d20\u7684\uff0c\u6240\u4ee5\u4f60\u7684\u6392\u5e8f\u6bd4\u4e00\u822c\u7684\u9009\u62e9\u6392\u5e8f\u6027\u80fd\u5dee\u4e00\u4e9b\u3002<\/p>\n
    \u6709\u4eba\u8bf4\u8fd9\u4e2a\u5192\u6ce1\u6392\u5e8f\u6211\u4e5f\u662f\u7b11\u4e86\uff0c\u5192\u6ce1\u6392\u5e8f\u4e24\u4e2a\u7279\u70b9\uff1a1. \u4ece\u5927\u5230\u5c0f\u6392\u5e8f\uff1b 2. \u76f8\u90bb\u6bd4\u8f83\uff0c\u54ea\u6761\u6ee1\u8db3\u4e86\uff1f<\/p>\n
    \u6539\u5199\u4e86\u4e00\u4e0b\uff1a<\/p>\n
    “`python
    def normal(a):
     for i in range(len(a)):
     min = i
     for j in range(i, len(a)):
     if a[min] > a[j]:
     min = j
     if (min != i):
     a[min], a[i] = a[i], a[min]
     return a
    “`                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : agagega <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8fd9\u771f\u7684\u4e0d\u662f\u9009\u62e9\u6392\u5e8f\u5417\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    \u8fd9\u4e2a\u7b97\u4ec0\u4e48\u6392\u5e8f\u7b97\u6cd5\u554a? \u8cc7\u6df1\u5927\u4f6c …<\/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\/149442"}],"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=149442"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/149442\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=149442"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=149442"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=149442"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}