{"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":"\u003cp\u003e大整数在很多应用中都非常需要. 比如用在数据安全传输的密码、加密技术等.\u003c/p\u003e\n\u003cp\u003e在这个问题中, 给你一个正整数, 你需要计算出将这个数阶乘后的位数.\u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003cp\u003e输入为多组输入.\u003c/p\u003e \n\u003cp\u003e第一行是一个正整数 n , 代表测试组数\u003c/p\u003e\n\u003cp\u003e之后跟n行, 每一行包含一个正整数 x (1 ≤ x ≤ 10\u003csup\u003e7\u003c/sup\u003e).\u003c/p\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cp\u003e对于每组输入, 输出一行, 即给定正整数经过阶乘运算后的位数.\u003c/p\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e2\n10\n20\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e7\n19\u003c/pre\u003e"}}]}