{"id":222,"date":"2024-01-08T14:14:51","date_gmt":"2024-01-08T06:14:51","guid":{"rendered":"https:\/\/wangqianming.top\/?p=222"},"modified":"2024-01-08T14:14:51","modified_gmt":"2024-01-08T06:14:51","slug":"%e6%a0%883","status":"publish","type":"post","link":"https:\/\/wangqianming.top\/index.php\/2024\/01\/08\/%e6%a0%883\/","title":{"rendered":"\u68083"},"content":{"rendered":"

\u7528\u6808\u6765\u5904\u7406\u62ec\u53f7\u7c7b\u5b57\u7b26\u4e32<\/h1>\n

\u5b57\u7b26\u4e32\u89e3\u7801<\/strong><\/p>\n

\u7ed9\u5b9a\u4e00\u4e2a\u7ecf\u8fc7\u7f16\u7801\u7684\u5b57\u7b26\u4e32\uff0c\u8fd4\u56de\u5b83\u89e3\u7801\u540e\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n

\u7f16\u7801\u89c4\u5219\u4e3a: k[encoded_string]<\/code>\uff0c\u8868\u793a\u5176\u4e2d\u65b9\u62ec\u53f7\u5185\u90e8\u7684 encoded_string<\/code> \u6b63\u597d\u91cd\u590d k<\/code> \u6b21\u3002\u6ce8\u610f k<\/code> \u4fdd\u8bc1\u4e3a\u6b63\u6574\u6570\u3002<\/p>\n

\u4f60\u53ef\u4ee5\u8ba4\u4e3a\u8f93\u5165\u5b57\u7b26\u4e32\u603b\u662f\u6709\u6548\u7684\uff1b\u8f93\u5165\u5b57\u7b26\u4e32\u4e2d\u6ca1\u6709\u989d\u5916\u7684\u7a7a\u683c\uff0c\u4e14\u8f93\u5165\u7684\u65b9\u62ec\u53f7\u603b\u662f\u7b26\u5408\u683c\u5f0f\u8981\u6c42\u7684\u3002<\/p>\n

\u6b64\u5916\uff0c\u4f60\u53ef\u4ee5\u8ba4\u4e3a\u539f\u59cb\u6570\u636e\u4e0d\u5305\u542b\u6570\u5b57\uff0c\u6240\u6709\u7684\u6570\u5b57\u53ea\u8868\u793a\u91cd\u590d\u7684\u6b21\u6570 k<\/code> \uff0c\u4f8b\u5982\u4e0d\u4f1a\u51fa\u73b0\u50cf 3a<\/code> \u6216 2[4]<\/code> \u7684\u8f93\u5165\u3002<\/p>\n

\u793a\u4f8b 1\uff1a<\/strong><\/p>\n

\n

\u8f93\u5165\uff1as = "3[a]2[bc]"
\n\u8f93\u51fa\uff1a"aaabcbc"<\/p>\n<\/blockquote>\n

class Solution {\n    public String decodeString(String s) {\n       int k=0;\n       StringBuilder res=new StringBuilder();\n       Stack<Integer> kstack=new Stack<>();\n       Stack<StringBuilder> restack=new Stack<>();\n       for(char c:s.toCharArray()){\n           if(c=='['){\n               \/\/\u78b0\u5230\u5de6\u62ec\u53f7\uff0c\u5f52\u96f6\n               kstack.push(k);\n               restack.push(res);\n               k=0;\n               res=new StringBuilder();\n           }else if(c==']'){\n               \/\/\u51fa\u6700\u8fd1\u7684\u4e00\u4e2a\u5de6\u62ec\u53f7\u5165\u7684k,\u5f53\u524dres\u8fdb\u884c\u8ba1\u7b97\u4e0d\u5165\u6808\n               int curk=kstack.pop();\n               StringBuilder temp=new StringBuilder();\n               for(int i=0;i<curk;i++){\n                   temp.append(res);\n               }\n               res=restack.pop().append(temp);\n            }else if(c >= '0' && c <= '9'){\n                k = c - '0' + k * 10;\n                \/\/\u5982\u679ck\u662f\u591a\u4f4d\u6570\u9700\u8981x10\n            }else{\n                res.append(c);\n                \/\/\u5982\u679c\u662f\u5b57\u6bcd\u5219\u7f13\u6162\u6dfb\u52a0\n            }\n        }\n        return res.toString();\n    }\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u7528\u6808\u6765\u5904\u7406\u62ec\u53f7\u7c7b\u5b57\u7b26\u4e32 \u5b57\u7b26\u4e32\u89e3\u7801 \u7ed9\u5b9a\u4e00\u4e2a\u7ecf\u8fc7\u7f16\u7801\u7684\u5b57\u7b26\u4e32\uff0c\u8fd4\u56de\u5b83\u89e3\u7801\u540e\u7684\u5b57\u7b26\u4e32\u3002 \u7f16\u7801\u89c4\u5219\u4e3a: k[encoded_strin …<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[5,21,9],"class_list":["post-222","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-java","tag-21","tag-leetcode"],"_links":{"self":[{"href":"https:\/\/wangqianming.top\/index.php\/wp-json\/wp\/v2\/posts\/222","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wangqianming.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wangqianming.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wangqianming.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wangqianming.top\/index.php\/wp-json\/wp\/v2\/comments?post=222"}],"version-history":[{"count":1,"href":"https:\/\/wangqianming.top\/index.php\/wp-json\/wp\/v2\/posts\/222\/revisions"}],"predecessor-version":[{"id":223,"href":"https:\/\/wangqianming.top\/index.php\/wp-json\/wp\/v2\/posts\/222\/revisions\/223"}],"wp:attachment":[{"href":"https:\/\/wangqianming.top\/index.php\/wp-json\/wp\/v2\/media?parent=222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wangqianming.top\/index.php\/wp-json\/wp\/v2\/categories?post=222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wangqianming.top\/index.php\/wp-json\/wp\/v2\/tags?post=222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}