{"trustable":false,"prependHtml":"\u003cstyle type\u003d\u0027text/css\u0027\u003e\n .input, .output {\n border: 1px solid #888888;\n }\n .output {\n margin-bottom: 1em;\n position: relative;\n top: -1px;\n }\n .output pre, .input pre {\n background-color: #EFEFEF;\n line-height: 1.25em;\n margin: 0;\n padding: 0.25em;\n }\n \u003c/style\u003e\n \u003clink rel\u003d\"stylesheet\" href\u003d\"//codeforces.org/s/96598/css/problem-statement.css\" type\u003d\"text/css\" /\u003e\u003cscript\u003e window.katexOptions \u003d { disable: true }; \u003c/script\u003e\n\u003cscript type\u003d\"text/x-mathjax-config\"\u003e\n MathJax.Hub.Config({\n tex2jax: {\n inlineMath: [[\u0027$$$\u0027,\u0027$$$\u0027], [\u0027$\u0027,\u0027$\u0027]],\n displayMath: [[\u0027$$$$$$\u0027,\u0027$$$$$$\u0027], [\u0027$$\u0027,\u0027$$\u0027]]\n }\n });\n\u003c/script\u003e\n\u003cscript type\u003d\"text/javascript\" async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS_HTML-full\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"HTML","content":"\n\u003cp\u003e 小s最近非常的好奇中位数,于是他就想到了下面这个问题\u003c/p\u003e\n\u003cp\u003e给定长度为 n 的数组 a,找到一个子数组 a[l .. r],满足长度至少为 k,中位数最大。\u003c/p\u003e\n\u003cp\u003e一个长度为 n 的数组的中位数是指,将它按照升序排好后,排在第$⌊ (n+1) / 2⌋$ 位置的数。\n子数组 $a[l..r] $是指数组连续的一部分,也就是 $a[l], a[l+1], ... a[r]$,它的长度是 $r - l + 1$。\u003c/p\u003e\n"}},{"title":"Input","value":{"format":"HTML","content":"第一行两个整数 n 和 k。(1 \u003c\u003d k \u003c\u003d n \u003c\u003d $2*10^5$)\n\n第二行 n 个整数 $a_1 ,a_2 ,... ,a_n$ (1 \u003c\u003d $a_i$ \u003c\u003d n)\n"}},{"title":"Output","value":{"format":"HTML","content":"一行,一个整数表示最大中位数。"}},{"title":"Examples","value":{"format":"HTML","content":"\u003cdiv class\u003d\"sample-test\"\u003e\n \u003cdiv class\u003d\"input\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Input\n \u003c/div\u003e\n \u003cpre\u003e5 3\n1 2 3 2 1\n\u003c/pre\u003e\n \u003c/div\u003e\n \u003cdiv class\u003d\"output\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Output\n \u003c/div\u003e\n \u003cpre\u003e2\u003c/pre\u003e\n \u003c/div\u003e\n \u003cdiv class\u003d\"input\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Input\n \u003c/div\u003e\n \u003cpre\u003e4 2\n1 2 3 4\n\u003c/pre\u003e\n \u003c/div\u003e\n \u003cdiv class\u003d\"output\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Output\n \u003c/div\u003e\n \u003cpre\u003e3\u003c/pre\u003e\n \u003c/div\u003e\n\u003c/div\u003e"}}]}