{"trustable":false,"prependHtml":"\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 async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\" type\u003d\"text/javascript\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"HTML","content":"\u003cscript type\u003d\u0027text/x-mathjax-config\u0027\u003eMathJax.Hub.Config({tex2jax: { inlineMath: [[\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, \u0027left_view\u0027]);}, 2000);\u003c/script\u003e\n\u003cdiv class\u003d\"panel_content\"\u003e\n czh在成千上万次尝试后,终于被自己感动了,他决定换一种方式来理解cry的文章,他列举出自己掌握的所有单词,来统计词频,可是czh已经累了,不想动了,只能瘫在椅子上给你们加油了。\n\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"第一行一个正整数表示数据组数\n\u003cbr\u003e每组第一行一个正整数N表示czh掌握的单词数量N\u003c\u003d10000\n\u003cbr\u003e接下来每行一个字符串表示掌握的单词,每个单词只包含小写字母,长度不超过50\n\u003cbr\u003e最后一行为文章字符串,长度不超过1000000\n\u003cbr\u003e"}},{"title":"Output","value":{"format":"HTML","content":"每组数据输出一行,每行一个数字表示文章中出现了几个czh掌握的单词。"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e1\n5\nate\nat\neat\ntea\nyear\nhyeateart\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e4\u003c/pre\u003e"}}]}