{"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 众所周知的,汴京的HENU是一个很神奇的地方,因为它遍地宝贝,而这些宝贝都被隐藏了起来,唯一能找到这些宝贝的办法就是修行太极拳功法。\n \u003cbr\u003e\u0026nbsp;\u0026nbsp;某小学弟一心想寻宝,历尽千辛万苦,修炼太极拳至大成。成功找到了宝贝所放的洞口,走进一看,几乎惊呆了,里面有各种各样的宝贝!不过尽管宝贝的种类不少,但是每种宝贝的量并不多,当然,每种宝贝单位体积的价格也不一样,但小学弟只带了一个书包,书包容量有限,现在请你帮忙尽快计算出来小学弟最多能带回多少价值的宝贝?(假设宝贝可以分割,分割后的价值和对应的体积成正比) \n \u003cbr\u003e \n\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"输入包含多个测试实例,每个实例的第一行是两个整数v和n(v,n\u0026lt;100),分别表示书包的容量和宝贝的种类,接着的n行每行包含2个整数pi和mi(0\u0026lt;pi,mi\u0026lt;10),分别表示某种宝贝的单价和对应的体积,v为0的时候结束输入。 \n\u003cbr\u003e"}},{"title":"Output","value":{"format":"HTML","content":"对于每个测试实例,请输出小学弟最多能取回多少价值的宝贝,每个实例的输出占一行。 \n\u003cbr\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e2 2\n3 1\n2 3\n0\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e5\n\n\n\n\u003c/pre\u003e"}},{"title":"","value":{"format":"HTML","content":""}}]}