{"id":31,"date":"2025-01-11T22:31:32","date_gmt":"2025-01-11T14:31:32","guid":{"rendered":"http:\/\/150.230.63.147\/blog\/?p=31"},"modified":"2025-01-11T22:34:09","modified_gmt":"2025-01-11T14:34:09","slug":"codeforce-1144-e-median-string-%e8%a7%a3%e6%9e%90%e6%80%9d%e7%b6%ad%e3%80%81%e5%a4%a7%e6%95%b8%e9%81%8b%e7%ae%97","status":"publish","type":"post","link":"https:\/\/blog.seekrealthing.net\/blog\/?p=31","title":{"rendered":"E. Median String \u89e3\u6790(\u601d\u7dad\u3001\u5927\u6578\u904b\u7b97)"},"content":{"rendered":"\n<div class=\"wp-block-jetpack-markdown\"><h1>Codeforce 1144 E. Median String \u89e3\u6790(\u601d\u7dad\u3001\u5927\u6578\u904b\u7b97)<\/h1>\n<p>\u4eca\u5929\u6211\u5011\u4f86\u770b\u770bCF1144E<br>\n<a href=\"https:\/\/codeforces.com\/problemset\/problem\/1144\/E\">\u984c\u76ee\u9023\u7d50<\/a><\/p>\n<blockquote>\n<p><strong>\u984c\u76ee<\/strong><br>\n\u7d66\u4f60\u5169\u500b\u9577\u5ea6\u70ba$k$\u7684\u5b57\u4e32$s$\u548c$t$\uff0c\u6c42\u5b57\u5178\u5e8f\u6392\u5e8f\u7684\uff0c$s,t$\u7684\u4e2d\u4f4d\u5b57\u4e32\u3002<\/p>\n<\/blockquote>\n<h3>\u524d\u8a00<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/i.imgur.com\/rwwkvnU.jpg\" alt=\"\"><\/p>\n<h3>\u60f3\u6cd5<\/h3>\n<p>\u89c0\u5bdf\u4e00\u4e0b\uff0c\u767c\u73fe\u6211\u5011\u53ef\u4ee5\u628a\u5b57\u4e32\u770b\u621026\u9032\u4f4d\u7684\u6578\u5b57\uff0c\u6240\u4ee5\u6211\u5011\u53ea\u8981\u8a08\u7b97$(s+t)\/2$\u5c31\u597d\u3002<\/p>\n<h3>\u7a0b\u5f0f\u78bc:<\/h3>\n<pre><code class=\"language-cpp=\">const int _n=2e5+10;  \nint tt,k,inc,z,left;  \nchar s[_n],t[_n],res[_n];  \nmain(void) {ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);  \n  cin&gt;&gt;k&gt;&gt;(s+1)&gt;&gt;(t+1); rep(i,1,k+1)s[i]-='a',t[i]-='a';  \n  per(i,1,k+1)res[i]=(s[i]+t[i]+inc)%26,inc=((s[i]+t[i]+inc)\/26)?1:0;  \n  z=inc; res[0]=inc;  \n  rep(i,0,k+1){  \n    tt=res[i],res[i]=(left*26+res[i])\/2,left=(left*26+tt)%2;  \n  }rep(i,1,k+1)cout&lt;&lt;(char)('a'+res[i]); cout&lt;&lt;'\\n';  \n  return 0;  \n}  \n<\/code><\/pre>\n<p>(\u624d\u767c\u73fe$z$\u9019\u500b\u8b8a\u6578\u5176\u5be6\u6c92\u7528\u5230)<br>\n\u6a19\u982d\u3001\u6a21\u677f\u8acb\u9edeSubmission\u770b<br>\n<a href=\"https:\/\/codeforces.com\/contest\/1144\/submission\/90532896\">Submission<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[3],"tags":[10,9,11,8],"class_list":["post-31","post","type-post","status-publish","format-standard","hentry","category-ojcode","tag-codeforce","tag-ojcode","tag-11","tag-8"],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>E. 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