{"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":"从桌子的边缘开始放置木块,木块伸出桌子长度的计算方法为ans\u003d1/2+1/3+......1/n,现在给定你木块伸出桌子的长度,请你求出木块的个数n"}},{"title":"Input","value":{"format":"MD","content":"\u003cpre\u003e1.00\n3.71\n0.04\n5.19\n0.00\u003c/pre\u003e"}},{"title":"Output","value":{"format":"MD","content":"\u003cpre\u003e3 card(s)\n61 card(s)\n1 card(s)\n273 card(s)\u003c/pre\u003e"}}]}