{"trustable":true,"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":"\u003cdiv class\u003d\"panel_content\"\u003e假设:\u003cbr\u003eS1 \u003d 1\u003cbr\u003eS2 \u003d 12\u003cbr\u003eS3 \u003d 123\u003cbr\u003eS4 \u003d 1234\u003cbr\u003e.........\u003cbr\u003eS9 \u003d 123456789\u003cbr\u003eS10 \u003d 1234567891\u003cbr\u003eS11 \u003d 12345678912\u003cbr\u003e............\u003cbr\u003eS18 \u003d 123456789123456789\u003cbr\u003e..................\u003cbr\u003e现在我们把所有的串连接起来\u003cbr\u003eS \u003d 1121231234.......123456789123456789112345678912.........\u003cbr\u003e那么你能告诉我在S串中的第N个数字是多少吗?\u003cbr\u003e\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"输入首先是一个数字K,代表有K次询问。\u003cbr\u003e接下来的K行每行有一个整数N(1 \u0026lt;\u003d N \u0026lt; 2^31)。"}},{"title":"Output","value":{"format":"HTML","content":"对于每个N,输出S中第N个对应的数字.\u003cbr\u003e"}},{"title":"Sample","value":{"format":"HTML","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\u003e\n\u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eInput\u003c/th\u003e\n \u003cth\u003eOutput\u003c/th\u003e\n \u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cpre\u003e6\r\n1\r\n2\r\n3\r\n4\r\n5\r\n10\r\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e1\r\n1\r\n2\r\n1\r\n2\r\n4\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}}]}