{"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],[\u0027\\[\u0027,\u0027\\]\u0027]] } }); \u003c/script\u003e\n\u003cscript type\u003d\u0027text/javascript\u0027 src\u003d\u0027https://cdn.mathjax.org/mathjax/latest/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 \u003ccenter\u003e \n \u003cimg style\u003d\"max-width:100%;\" src\u003d\"CDN_BASE_URL/2fb92eb08283067dc96500ff89a997ed?v\u003d1492780557\" SRC\u003d\"CDN_BASE_URL/2fb92eb08283067dc96500ff89a997ed?v\u003d1492780557\"\u003e \n \u003c/center\u003e \n\u003c/div\u003e\n\u003cdiv\u003e\n即给定一个数n 将其分解,Si 表示将n拆成i个数的方案数\n求sum( si ) 1\u003c\u003di\u003c\u003dn;\n\u003cdiv\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003cpre\u003e2\u003c/pre\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cpre\u003e2\n\n \n \u003cdiv style\u003d\"font-family:Times New Roman;font-size:14px;background-color:F4FBFF;border:#B7CBFF 1px dashed;padding:6px\"\u003e\n \n \u003cdiv style\u003d\"font-family:Arial;font-weight:bold;color:#7CA9ED;border-bottom:#B7CBFF 1px dashed\"\u003e \n \u003ci\u003eHint\u003c/i\u003e \n \u003c/div\u003e\n1. For N \u003d 2, S(1) \u003d S(2) \u003d 1.\n\n2. The input file consists of multiple test cases. \n\n \n \u003c/div\u003e\u003ci style\u003d\"font-size:1px\"\u003e \u003c/i\u003e\u003c/pre\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e2\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e2\n\n \n \u003ci style\u003d\"font-size:1px\"\u003e \u003c/i\u003e\u003c/pre\u003e"}},{"title":"Hint","value":{"format":"HTML","content":"\u003cpre\u003e\n1. For N \u003d 2, S(1) \u003d S(2) \u003d 1.\n\n2. The input file consists of multiple test cases. \n\n \n \u003c/pre\u003e"}}]}