{"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 小仙女YY在做一道很难的题 \n \u003cbr\u003e \n \u003cbr\u003e \n \u003cimg style\u003d\"max-width:100%;\" SRC\u003d\"CDN_BASE_URL/bcc4c5ac292d59aef31fcf3227405456?v\u003d1540478901\"\u003e \n \u003cbr\u003e \n \u003cbr\u003e其中n允许为无穷大,这可以使用相对较小的n值产生非常精确的e的近似值。(没有输入)\n \u003cbr\u003e \n\u003c/div\u003e"}},{"title":"Output","value":{"format":"HTML","content":"输出e的近似值,n为0到9.输出的开始应该与下面显示的类似。仔细看输出!\n"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003en e\n- -----------\n0 1\n1 2\n2 2.5\n3 2.666666667\n4 2.708333333\u003c/pre\u003e"}}]}