{"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":" \u003cimg align\u003d\"middle\" class\u003d\"tex-formula\" src\u003d\"https://gimg2.baidu.com/image_search/src\u003dhttp%3A%2F%2Fimg.51miz.com%2FElement%2F00%2F86%2F79%2F20%2F175b6b6e_E867920_69c34b4c.png%21%2Fquality%2F90%2Funsharp%2Ftrue%2Fcompress%2Ftrue%2Fformat%2Fpng\u0026refer\u003dhttp%3A%2F%2Fimg.51miz.com\u0026app\u003d2002\u0026size\u003df9999,10000\u0026q\u003da80\u0026n\u003d0\u0026g\u003d0n\u0026fmt\u003djpeg?sec\u003d1624263564\u0026t\u003d16726b184a316f3a75f83e6a6f805d16\" style\u003d\"max-width: 100.0%;max-height: 100.0%;\"\u003e\n\u003c/p\u003e\n\n\u003cp\u003e给定一个字符串s和一个字符串t,它们都只由小写拉丁字母组成。可以保证t是s的子序列。\u003c/p\u003e\n\u003cp\u003e字符串“test”、“tst”、“tt”是字符串“test”的子序列,字符串“tset”、“se”不是字符串“test”的子序列。\u003c/p\u003e\n\u003cp\u003e你想要从s中删除一个最大长度的子字符串(连续子序列),使得在删除该子字符串后,t仍然是s的子序列。\u003c/p\u003e\n你的任务是找到你可以删除的子字符串的最大长度,使得t仍然是s的子序列。\n"}},{"title":"Input","value":{"format":"HTML","content":"第一行输入字符串s\u003cbr\u003e\n第二行输入字符串t\u003cbr\u003e\n1≤|s|,|t|≤2*10\u003csup\u003e5\u003c/sup\u003e\u003cbr\u003e\n可以保证t是s的子序列。"}},{"title":"Output","value":{"format":"HTML","content":"输出一个整数,代表你能删除的子字符串的最大长度,使得t仍然是s的子序列。"}},{"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\u003ebbaba\nbb\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\n\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\u003ebaaba\nab\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\n\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\u003eabcde\nabcde\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\u003e0\n\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\u003easdfasdf\nfasd\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\n\u003c/pre\u003e\n \u003c/div\u003e\n\u003c/div\u003e"}}]}