{"id":673,"date":"2020-09-26T11:09:38","date_gmt":"2020-09-26T03:09:38","guid":{"rendered":"http:\/\/39.96.58.60\/?p=673"},"modified":"2022-10-18T16:38:24","modified_gmt":"2022-10-18T08:38:24","slug":"leetcode-922-%e6%8c%89%e5%a5%87%e5%81%b6%e6%8e%92%e5%ba%8f%e6%95%b0%e7%bb%84-ii","status":"publish","type":"post","link":"http:\/\/www.yatenglg.cn\/blog\/?p=673","title":{"rendered":"Leetcode 922. \u6309\u5947\u5076\u6392\u5e8f\u6570\u7ec4 II"},"content":{"rendered":"<p>\u7ed9\u5b9a\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\u6570\u7ec4&nbsp;<code>A<\/code>\uff0c A \u4e2d\u4e00\u534a\u6574\u6570\u662f\u5947\u6570\uff0c\u4e00\u534a\u6574\u6570\u662f\u5076\u6570\u3002<\/p>\n<p>\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff0c\u4ee5\u4fbf\u5f53&nbsp;<code>A[i]<\/code> \u4e3a\u5947\u6570\u65f6\uff0c<code>i<\/code>&nbsp;\u4e5f\u662f\u5947\u6570\uff1b\u5f53&nbsp;<code>A[i]<\/code>&nbsp;\u4e3a\u5076\u6570\u65f6\uff0c <code>i<\/code> \u4e5f\u662f\u5076\u6570\u3002<\/p>\n<p>\u4f60\u53ef\u4ee5\u8fd4\u56de\u4efb\u4f55\u6ee1\u8db3\u4e0a\u8ff0\u6761\u4ef6\u7684\u6570\u7ec4\u4f5c\u4e3a\u7b54\u6848\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre><strong>\u8f93\u5165\uff1a<\/strong>[4,2,5,7]\n\n<strong>\u8f93\u51fa\uff1a<\/strong>[4,5,2,7]\n\n<strong>\u89e3\u91ca\uff1a<\/strong>[4,7,2,5]\uff0c[2,5,4,7]\uff0c[2,7,4,5] \u4e5f\u4f1a\u88ab\u63a5\u53d7\u3002\n\n<\/pre>\n<p>&nbsp;<\/p>\n<p><strong>\u63d0\u793a\uff1a<\/strong><\/p>\n<ol>\n<li><code>2 &lt;= A.length &lt;= 20000<\/code><\/li>\n<li><code>A.length % 2 == 0<\/code><\/li>\n<li><code>0 &lt;= A[i] &lt;= 1000<\/code><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>**\u96be\u5ea6**: Easy<\/p>\n<p>**\u6807\u7b7e**: \u6392\u5e8f\u3001 \u6570\u7ec4\u3001<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism undefined-numbers lang-python\" data-lang=\"Python\"><code>\n# -*- coding: utf-8 -*-\n# @Author  : LG\n\n\"\"\"\n\u6267\u884c\u7528\u65f6\uff1a244 ms, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e8679.21% \u7684\u7528\u6237\n\u5185\u5b58\u6d88\u8017\uff1a15.8 MB, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e8621.67% \u7684\u7528\u6237\n\n\u89e3\u9898\u601d\u8def\uff1a\n    \u5355\u6b21\u904d\u5386\n\"\"\"\nclass Solution:\n    def sortArrayByParityII(self, A: List[int]) -&gt; List[int]:\n        num = 0\n        i = 0\n        while i &lt; len(A):\n            if A[i] % 2 == i % 2:   # \u5982\u679c\u5f53\u524d\u5947\u5076\u6392\u5e8f\u5bf9\u5e94\uff0c\u5219\u4e0b\u4e00\u4e2a\u5143\u7d20\n                i += 1\n            else:\n                while i+num &lt; len(A) and A[i+num] % 2 != i % 2: # \u627e\u4e0b\u4e00\u4e2a\u6ee1\u8db3\u5947\u5076\u6392\u5e8f\u7684\u5143\u7d20\uff0c\u5e76\u7528num\u8bb0\u5f55\u4e0b\u6807\n                    num += 1\n                A[i], A[i+num] = A[i+num], A[i] # \u4ea4\u6362\u6ee1\u8db3\u5947\u5076\u6392\u5e8f\u7684\u9879\n                num -= 1    # \u8bb0\u5f55\u4e0b\u6807\u51cf1\n                i += 1 # \u5904\u7406\u4e0b\u4e00\u4e2a\u5143\u7d20\n        return A\n\n\"\"\"\n\u6267\u884c\u7528\u65f6\uff1a232 ms, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e8691.19% \u7684\u7528\u6237\n\u5185\u5b58\u6d88\u8017\uff1a15.9 MB, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e8613.33% \u7684\u7528\u6237\n\n\u89e3\u9898\u601d\u8def\uff1a\n    \u5177\u4f53\u5b9e\u73b0\u89c1\u4ee3\u7801\u6ce8\u91ca\n\"\"\"\nclass Solution(object):\n    def sortArrayByParityII(self, A):\n        j = 1\n        for i in range(0, len(A), 2):\n            if A[i] % 2:    # \u5904\u7406\u5947\u6570\u4e0b\u6807\n                while A[j] % 2: # \u627e\u5076\u6570\u4e0b\u6807j\u5bf9\u5e94\u7684\u5076\u6570\n                    j += 2\n                A[i], A[j] = A[j], A[i] # \u4ea4\u6362i,j\u5bf9\u5e94\u5143\u7d20\n        return A<\/code><\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7ed9\u5b9a\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\u6570\u7ec4&nbsp;A\uff0c A \u4e2d\u4e00\u534a\u6574\u6570\u662f\u5947\u6570\uff0c\u4e00\u534a\u6574\u6570\u662f\u5076\u6570\u3002 \u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff0c\u4ee5\u4fbf\u5f53&#038;nbsp&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":[],"categories":[11,1],"tags":[],"_links":{"self":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/673"}],"collection":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=673"}],"version-history":[{"count":1,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/673\/revisions"}],"predecessor-version":[{"id":674,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/673\/revisions\/674"}],"wp:attachment":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=673"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}