{"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 给定一个正整数 N,请输出 N^N 的最左一位数字。\n \u003cbr\u003e \n\u003c/div\u003e"}},{"title":"输入","value":{"format":"HTML","content":"输入包含多组测试数据。输入的第一行是单个整数 T,表示测试数据的组数。接下来是 T 组测试数据。\u003cbr\u003e\n\u003cbr\u003e每组测试数据,包含单个正整数 N (1 \u0026lt;\u003d N \u0026lt;\u003d 1,000,000,000)。\n\u003cbr\u003e"}},{"title":"输出","value":{"format":"HTML","content":"对于每组测试数据,请输出 N^N 的最左一位数字。 \n\u003cbr\u003e"}},{"title":"示例输入","value":{"format":"HTML","content":"\u003cpre\u003e2\n3\n4\u003c/pre\u003e"}},{"title":"示例输出","value":{"format":"HTML","content":"\u003cpre\u003e2\n2\u003c/pre\u003e"}},{"title":"提示","value":{"format":"HTML","content":"\u003cpre\u003e\n在第一组测试数据中,3 * 3 * 3 \u003d 27,因此最左一位数字是 2。\n在第二组测试数据中,4 * 4 * 4 * 4 \u003d 256,因此最左一位数字是 2。 \n \u003c/pre\u003e"}}]}