{"id":2919,"date":"2020-02-11T13:16:05","date_gmt":"2020-02-11T05:16:05","guid":{"rendered":"http:\/\/www.sniper97.cn\/?p=2919"},"modified":"2020-02-11T13:16:05","modified_gmt":"2020-02-11T05:16:05","slug":"%e3%80%90leetcode%e3%80%910047-%e5%85%a8%e6%8e%92%e5%88%97ii","status":"publish","type":"post","link":"http:\/\/www.sniper97.cn\/index.php\/note\/algorithm\/2919\/","title":{"rendered":"\u3010LeetCode\u30110047 \u5168\u6392\u5217II"},"content":{"rendered":"\n<p><a href=\"https:\/\/leetcode-cn.com\/problems\/permutations-ii\/\">https:\/\/leetcode-cn.com\/problems\/permutations-ii\/<\/a><\/p>\n\n\n<pre class=\"wp-block-preformatted\"># -*- coding:utf-8 -*-\n<em>\n<\/em>class Solution(object):\n    def permuteUnique1(self, nums):\n        def backtrack(i, flag_list, temp_list=[]):\n            if i == n:\n                output.append(temp_list)\n                return\n            # \u627e\u5230\u7b2c\u4e00\u4e2a\u53ef\u7528\u6570\u5b57\n            for j in range(len(flag_list)):\n                if flag_list[j] != 0:\n                    flag_list[j] = 0\n                    temp_list.append(nums[j])\n                    backtrack(i + 1, flag_list[:], temp_list[:])\n                    flag_list[j] = 1\n                    temp_list = temp_list[:-1]\n        n = len(nums)\n        output = []\n        flag_list = [1 for _ in range(n)]\n        output_final = []\n        backtrack(0, flag_list)\n        for each in output:\n            if each not in output_final:\n                output_final.append(each)\n        return output_final\nif __name__ == '__main__':\n    nums = [1, 1, 2]\n    print(Solution().permuteUnique1(nums))\n<\/pre>\n\n\n<p><strong>\u601d\u8def<\/strong>\uff1a\u8fd9\u9053\u9898\u6211\u751a\u81f3\u72b9\u8c6b\u8981\u4e0d\u8981\u5199\u8fd9\u4e2a\u7b14\u8bb02333\u3002\u867d\u7136\u6211\u77e5\u9053\u51fa\u9898\u4eba\u4e0d\u662f\u8fd9\u4e2a\u610f\u601d\uff0c\u4f46\u662f\u5728\u4e0a\u4e00\u9053\u9898\u540e\u9762\u52a0\u4e2a\u53bb\u91cd\u5c31\u884c\u3002<\/p>\n\n\n<p>\u5176\u5b9e\u6392\u5e8f\u4e00\u4e0b\u526a\u679d\u5c31\u884c\u4e86\uff0c\u591a\u4e00\u4e2a\u4f4d\u7f6e\u8bb0\u5f55\u4e0a\u4e00\u6b21\u5904\u7406\u7684\u503c\uff0c\u4e00\u6837\u526a\u679d\u8df3\u8fc7\u5c31\u884c\uff0c\u4f46\u662f\u4e0d\u5199\u4e86x<\/p>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/leetcode-cn.com\/problems\/permutations-ii\/  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[10],"tags":[],"views":1227,"_links":{"self":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts\/2919"}],"collection":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/comments?post=2919"}],"version-history":[{"count":0,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts\/2919\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/media?parent=2919"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/categories?post=2919"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/tags?post=2919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}