{"trustable":false,"sections":[{"title":"","value":{"format":"HTML","content":"\u003cscript type\u003d\u0027text/x-mathjax-config\u0027\u003eMathJax.Hub.Config({tex2jax: { inlineMath: [[\u0027$\u0027,\u0027$\u0027],[\u0027\\[\u0027,\u0027\\]\u0027]] } }); \u003c/script\u003e\n\u003cscript type\u003d\u0027text/javascript\u0027 src\u003d\u0027https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\u0027\u003e\u003c/script\u003e\n\u003cscript type\u003d\u0027text/javascript\u0027\u003esetTimeout(function(){MathJax.Hub.Queue([\u0027Typeset\u0027, MathJax.Hub, \u0027description-container\u0027]);}, 2000);\u003c/script\u003e\n\u003cp\u003e定义一个区间的值为其众数出现的\u003cb\u003e次数\u003c/b\u003e。\u003cbr\u003e现给出n个数,求将所有区间的值排序后,第K大的值为多少。\u003cbr\u003e\u003c/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c/p\u003e\n\u003cp\u003e\u003ca name\u003d\"fastCSharpEditorLink\" href\u003d\"http://baike.baidu.com/link?url\u003dBkCFzBx3jmpUNQu4whbJ5IhHMMgPOexEedZDINA_gmsHsKBTxSiL58zzegKbZmaVDDuulzUJAihNsRi-zYLdBSZBrvh4WfRqovZ4rBubCpa\" target\u003d\"_blank\"\u003e众数(统计学/数学名词)_百度百科\u003c/a\u003e\u0026nbsp;\u003cbr\u003e\u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"第一行两个数n和k(1\u0026lt;\u003dn\u0026lt;\u003d100000,k\u0026lt;\u003dn*(n-1)/2)\n\u003cbr\u003e第二行n个数,0\u0026lt;\u003d每个数\u0026lt;2^31"}},{"title":"Output","value":{"format":"HTML","content":"一个数表示答案。"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e4 2\n1 2 3 2\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e2\u003c/pre\u003e"}}]}