{"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":"MD","content":"ZJM 收到了 Q老师 送来的生日礼物,但是被 Q老师 加密了。只有 ZJM 能够回答对 Q老师 的问题,Q老师 才会把密码告诉 ZJM。\n\nQ老师 给了 ZJM 一些仅有 01 组成的二进制编码串, 他问 ZJM:是否存在一个串是另一个串的前缀.\n"}},{"title":"Input","value":{"format":"MD","content":"多组数据。每组数据中包含多个仅有01组成的字符串,以一个9作为该组数据结束的标志。\n"}},{"title":"Output","value":{"format":"MD","content":"对于第 k 组数据(从1开始标号),如果不存在一个字符串使另一个的前缀,输出\"Set k is immediately decodable\",否则输出\"Set k is not immediately decodable\"。\n每组数据的输出单独一行\n"}},{"title":"Sample Input","value":{"format":"MD","content":"01\n10\n0010\n0000\n9\n01\n10\n010\n0000\n9"}},{"title":"Sample Output","value":{"format":"MD","content":"Set 1 is immediately decodable\nSet 2 is not immediately decodable"}}]}