{"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":"在一个大小为n*n的正方形棋盘上面摆放n个棋子,棋子间没有区别。要求摆放时任意的两个棋子不能放在棋盘中的同一行或同一列或同一对角线。\u003cbr\u003e\n 请你输出摆放n个棋子的所有可行的摆放方案C。\n"}},{"title":"输入","value":{"format":"HTML","content":"输入含有多组测试数据。\u003cbr\u003e\n每组数据共一行,为一个正整数 n ,表示棋盘大小为n*n,以及摆放棋子的数目为n(n \u003c\u003d 10)。当输入为 n\u003d0 时,表示输入结束。\n"}},{"title":"输出","value":{"format":"HTML","content":"对于每组数据,输出一行,表示对应输入行的棋子摆放方案数C。"}},{"title":"输入样例","value":{"format":"HTML","content":"\u003cpre\u003e1\n8\n5\n0\u003c/pre\u003e"}},{"title":"输出样例","value":{"format":"HTML","content":"\u003cpre\u003e1\n92\n10\u003c/pre\u003e"}}]}