{"id":113455,"date":"2026-10-06T13:49:02","date_gmt":"2026-10-06T05:49:02","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/113455.html"},"modified":"2026-10-06T13:49:02","modified_gmt":"2026-10-06T05:49:02","slug":"a-%e6%af%8f%e6%97%a5%e4%b8%80%e9%a2%98%ef%bc%9a1807-%e6%9b%bf%e6%8d%a2%e5%ad%97%e7%ac%a6%e4%b8%b2%e4%b8%ad%e7%9a%84%e6%8b%ac%e5%8f%b7%e5%86%85%e5%ae%b9","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/113455.html","title":{"rendered":"A.\u6bcf\u65e5\u4e00\u9898\uff1a1807. \u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u62ec\u53f7\u5185\u5bb9"},"content":{"rendered":"

\u9898\u76ee\u94fe\u63a5：1807. \u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u62ec\u53f7\u5185\u5bb9（\u4e2d\u7b49）<\/span><\/h2>\n

\u7b97\u6cd5\u539f\u7406：<\/h2>\n

\u89e3\u6cd5：\u6a21\u62df（\u8bb0\u5f55\u5de6\u62ec\u53f7\u4f4d\u7f6e）<\/h3>\n

\u65f6\u95f4\u590d\u6742\u5ea6O(N)<\/span><\/p>\n

32ms\u51fb\u8d2583.72%<\/span><\/p>\n

\u65e2\u7136\u9898\u76ee\u4fdd\u8bc1\u6ca1\u6709\u5d4c\u5957\u62ec\u53f7\u5bf9，\u6240\u4ee5\u6211\u4eec\u53ea\u9700\u8981\u627e\u5230\u6bcf\u5bf9\u5339\u914d\u7684\u5de6\u53f3\u62ec\u53f7，\u7136\u540e\u5c06\u62ec\u53f7\u5185\u7684\u5b50\u4e32\u66ff\u6362\u6210 knowledge \u4e2d\u5bf9\u5e94\u7684 value \u5373\u53ef<\/p>\n

\u4e3a\u4e86\u5feb\u901f\u66ff\u6362\u6389\u5de6\u53f3\u62ec\u53f7\u5185\u7684\u5b50\u4e32，\u6211\u4eec\u53ef\u4ee5\u63d0\u524d\u628a knowledge \u4e2d\u7684\u5bf9\u5e94\u5173\u7cfb\u63d0\u524d\u6254\u8fdb \u54c8\u5e0c\u8868\u5b58\u8d77\u6765<\/p>\n

\u5bf9\u4e8e\u627e\u5230\u6bcf\u5bf9\u62ec\u53f7：<\/p>\n

\u2460\u9047\u5230\u5de6\u62ec\u53f7\u65f6，\u7528\u53d8\u91cf left \u8bb0\u5f55\u8be5\u5de6\u62ec\u53f7\u4e0b\u6807<\/p>\n

\u2461\u9047\u5230\u53f3\u62ec\u53f7 s[i]\u65f6，\u5b50\u4e32[ left+1,i-1] \u5373\u4e3a\u8981\u66ff\u6362\u7684\u5b50\u4e32，\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 .substring \u63d0\u53d6\u51fa\u6765\u7136\u540e\u5224\u65ad\u54c8\u5e0c\u8868\u662f\u5426\u5b58\u5728，\u8fdb\u800c\u8fdb\u884c\u66ff\u6362，\u66ff\u6362\u540e\u5c06 left \u7f6e\u4e3a-1，\u907f\u514d\u5bf9\u4e0b\u6b21\u5224\u65ad\u9020\u6210\u5f71\u54cd<\/p>\n

\u2462\u5982\u679c\u4e0d\u662f\u5de6\u53f3\u62ec\u53f7，\u4e14 left<0，\u8bf4\u660e\u5f53\u524d\u5b57\u6bcd\u4e0d\u518d\u62ec\u53f7\u5185，\u76f4\u63a5\u62fc\u63a5\u4e0a\u5373\u53ef~~<\/p>\n

Java\u4ee3\u7801：<\/h2>\n

class Solution {
\n \/\/1807. \u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u62ec\u53f7\u5185\u5bb9
\n public String evaluate(String s, List<List<String>> knowledge) {
\n HashMap<String,String> hash=new HashMap<>();
\n for(List<String> kv:knowledge){
\n hash.put(kv.get(0),kv.get(1));
\n }
\n StringBuilder ret=new StringBuilder();
\n int n=s.length();
\n int left=-1;
\n for(int i=0;i<n;i++){
\n char ch=s.charAt(i);
\n \/\/\u8bb0\u5f55\u5de6\u62ec\u53f7\u4f4d\u7f6e
\n if(ch=='(') left=i;
\n \/\/\u66ff\u6362\u5de6\u53f3\u62ec\u53f7\u4e4b\u95f4\u7684\u5b50\u4e32
\n else if(ch==')'){
\n String t=s.substring(left+1,i);
\n t=hash.getOrDefault(t,"?");
\n ret.append(t);
\n left=-1;
\n \/\/ch \u4e0d\u518d\u5de6\u53f3\u62ec\u53f7\u4e4b\u95f4
\n }else if(left<0) ret.append(ch);
\n }
\n return ret.toString();
\n }
\n} <\/p>\n","protected":false},"excerpt":{"rendered":"

\u9898\u76ee\u94fe\u63a5：1807. \u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u62ec\u53f7\u5185\u5bb9（\u4e2d\u7b49） \u7b97\u6cd5\u539f\u7406： \u89e3\u6cd5：\u6a21\u62df（\u8bb0\u5f55\u5de6\u62ec\u53f7\u4f4d\u7f6e） \u65f6\u95f4\u590d\u6742\u5ea6O(N) 32ms\u51fb\u8d2583.72% \u65e2\u7136\u9898\u76ee\u4fdd\u8bc1\u6ca1\u6709\u5d4c\u5957\u62ec\u53f7\u5bf9，\u6240\u4ee5\u6211\u4eec\u53ea\u9700\u8981\u627e\u5230\u6bcf\u5bf9\u5339\u914d\u7684\u5de6\u53f3\u62ec\u53f7，\u7136\u540e\u5c06\u62ec\u53f7\u5185\u7684\u5b50\u4e32\u66ff\u6362\u6210 knowledge \u4e2d\u5bf9\u5e94\u7684 value \u5373\u53ef \u4e3a\u4e86\u5feb\u901f\u66ff\u6362\u6389\u5de6\u53f3\u62ec\u53f7\u5185\u7684\u5b50\u4e32，\u6211\u4eec\u53ef\u4ee5\u63d0\u524d\u628a knowl<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[11653,99,2692,190,925,176],"topic":[],"class_list":["post-113455","post","type-post","status-publish","format-standard","hentry","category-server","tag-11653","tag-java","tag-leetcode","tag-190","tag-925","tag-176"],"yoast_head":"\nA.\u6bcf\u65e5\u4e00\u9898\uff1a1807. \u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u62ec\u53f7\u5185\u5bb9 - 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