{"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":"\u003cp\u003e小A想要加密他的密码,他的密码是一个字符串p,他希望以如下的方式加密它:首先将p随机打乱形成p‘,然后随机生成两个其他的字符串a和b,加密后的字符串是q \u003d a +p’ + b。\u003c/p\u003e\n\u003cp\u003e\n举一个例子,如果他的密码是 p\u003d\"xiaoa\",随机打乱后一个可能的 p\u0027\u003d\"aoaxi\",随机生成的两个字符串 a \u003d\"asdf\", b \u003d \"qqq\",那么加密后的字符串是 q \u003d \"asdfaoaxiqqq\"。\u003c/p\u003e\n\u003cp\u003e\n现在小B知道了小A的加密方式,以及密码p和加密后的密码q,他想验证密码q是不是密码p按照小A的加密方式加密的。\u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"第一行为一个整数 t (1 \u003c\u003d t \u003c\u003d 100), 代表输入数据的组数。\n接下来是 2t 行,每两行分别代表第 i 个输入数据的字符串 p 和 q 。"}},{"title":"Output","value":{"format":"HTML","content":"对每一组输入数据 p 和 q ,判断它是否是由小A的加密方式加密的,如果是输出“YES”,否则输出\"NO\"。"}},{"title":"Example","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\nabacaba\nzyxaabcaabkjh\nonetwothree\nthreetwoone\none\nzzonneyy\none\nnone\ntwenty\nten\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\u003eYES\nYES\nNO\nYES\nNO\n\u003c/pre\u003e\n \u003c/div\u003e\n\u003c/div\u003e"}}]}