{"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$$\u0027]]\n }\n });\n\u003c/script\u003e\n\u003cscript type\u003d\"text/javascript\" async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS_HTML-full\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"MD","content":"我们定义 $$$S(x)$$$ 是 $$$x$$$ 的各个数位之和,比如, $$$S(5) \u003d 5$$$, $$$S(10) \u003d 1$$$, $$$S(322) \u003d 7$$$.\u003c/p\u003e\n\u003cp\u003e我们称数字 $$$x$$$ 是\u003cspan class\u003d\"tex-font-style-bf\"\u003e有趣的\u003c/span\u003e 如果满足 $$$S(x + 1) \u0026lt; S(x)$$$. \u003cbr\u003e\n在每一个测试点里会给你一个 $$$n$$$. 你的任务是计算有多少 $$$x$$$ 满足 $$$1 \\le x \\le n$$$ 并且 $$$x$$$ 是有趣的.\u003c/p\u003e"}},{"title":"Input","value":{"format":"MD","content":"第一行包含一个整数 $t$,$(1 \\le t \\le 1000)$ 表示测试点个数\n\u003cp\u003e接下来有 $t$ 行, 第 $$$i$$$ 行包含一个整数 $$$n$$$ ($$$1 \\le n \\le 10^9$$$) 表示第$i$ 个测试点"}},{"title":"Output","value":{"format":"MD","content":"输出 $t$ 行,第 $i$ 行表示第 $i$ 个测试点的答案"}},{"title":"Example","value":{"format":"MD","content":"\u003cdiv class\u003d\"sample-test\"\u003e\n \u003cdiv class\u003d\"input\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Input\n \u003c/div\u003e\n \u003cpre\u003e5\n1\n9\n10\n34\n880055535\n\u003c/pre\u003e\n \u003c/div\u003e\n \u003cdiv class\u003d\"output\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Output\n \u003c/div\u003e\n \u003cpre\u003e0\n1\n1\n3\n88005553\n\u003c/pre\u003e\n \u003c/div\u003e\n\u003c/div\u003e"}},{"title":"Note","value":{"format":"MD","content":"\u003cp\u003e第一个有趣的数字是 $$$9$$$.\u003c/p\u003e"}}]}