{"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":"HTML","content":"\u003cscript type\u003d\u0027text/x-mathjax-config\u0027\u003eMathJax.Hub.Config({tex2jax: { inlineMath: [[\u0027$\u0027,\u0027$\u0027]] } }); \u003c/script\u003e\n\u003cscript type\u003d\u0027text/javascript\u0027 src\u003d\u0027https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\u0027\u003e\u003c/script\u003e\n\u003cscript type\u003d\u0027text/javascript\u0027\u003esetTimeout(function(){MathJax.Hub.Queue([\u0027Typeset\u0027, MathJax.Hub, \u0027left_view\u0027]);}, 2000);\u003c/script\u003e\n\u003cdiv class\u003d\"panel_content\"\u003e\n 有一个面积无限大的草坪,无限大的草坪被分成了无限个大小一样的正方形块。有一只喜欢蹦跶的小兔子,它开始在草坪上某一块的中间,它可以往四周任意一个方向跳,并跳到那个正方形块的中间。但是小兔子有个奇怪的特点就是它的每一跳都是 \"日\" 字形。\n \u003cbr\u003e请回答小兔子跳了n次以后,草坪上有多少正方形块是可能被小兔子走过的?\n \n \n\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"第一行一个整数, T. 表示T 组测试数据. \n\u003cbr\u003e每一组测试数据仅包含一个整数 N, 表示小兔子跳跃的次数. \n\u003cbr\u003e1 ≤ T ≤ 10^5\n\u003cbr\u003e0 ≤ N ≤ 10^9"}},{"title":"Output","value":{"format":"HTML","content":"对于每组测试数据, 先输出一行 “Case #x: y”, x 表示第x组测试数据 (从1开始) , y 是所问问题的答案。"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e2\n0\n1\n\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003eCase #1: 1\nCase #2: 9\n\u003c/pre\u003e"}}]}