{"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":"MD","content":"\u003cp\u003eH1deonbush想成为Faker,所以上数学课在幻想,但被数学老师抓到了,数学老师罚他去把球的体积算出来,请你帮帮H1deonbush。\u003c/p\u003e "}},{"title":"","value":{"format":"MD","content":"\u003cdiv class\u003d\"panel_content\"\u003e\n根据输入的半径值,计算球的体积。\n\u003c/div\u003e"}},{"title":"Input","value":{"format":"MD","content":"**输入数据有多组**,每组占一行,每行包括一个实数,表示球的半径。"}},{"title":"Output","value":{"format":"MD","content":"输出对应的球的体积,对于每组输入数据,输出一行,计算结果保留三位小数。"}},{"title":"Sample","value":{"format":"MD","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\u003e\n\u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eInput\u003c/th\u003e\n \u003cth\u003eOutput\u003c/th\u003e\n \u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cpre\u003e\u003cpre\u003e1\n1.5\n\u003c/pre\u003e\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e\u003cpre\u003e4.189\n14.137\u003c/pre\u003e\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}},{"title":"Hint","value":{"format":"MD","content":"\u003cbr\u003e#define PI 3.1415927\u003cbr\u003e\n已知球的体积$V \u003d 4/3 * πr^3$"}}]}