{"trustable":false,"sections":[{"title":"","value":{"format":"HTML","content":"\n \u003cp\u003e\u003cspan style\u003d\"font-size: 14pt\"\u003e小年来临了,在城市\u003c/span\u003e\u003cspan style\u003d\"font-size:14.0pt;font-family:\u0027Calibri\u0027,sans-serif\"\u003eA\u003c/span\u003e\u003cspan style\u003d\"font-size: 14pt\"\u003e中宇哥准备分发糖果,现在有多箱不同的糖果,每箱糖果有自己的价值和重量,每箱糖果都可以拆分成任意散装组合带走。宇哥的小轿车最多只能承受一定重量的糖果,请问宇哥最多能带走多大价值的糖果。\u003c/span\u003e\u003cbr\u003e\u003c/p\u003e\n "}},{"title":"Input","value":{"format":"HTML","content":"\n 第一行由两个部分组成,分别为糖果箱数正整数n(1 \u0026lt;\u003d n \u0026lt;\u003d 100),小轿车能承受的最大重量正整数w(0 \u0026lt; w \u0026lt; 10000),两个数用空格隔开。其余n行每行对应一箱糖果,由两部分组成,分别为一箱糖果的价值正整数v和重量正整数w,中间用空格隔开。\n "}},{"title":"Output","value":{"format":"HTML","content":"\n 输出宇哥能带走的糖果的最大总价值,保留1位小数。输出为一行,以换行符结束。\n "}},{"title":"Sample Input","value":{"format":"HTML","content":"\n \u003cpre\u003e4 15\n100 4\n412 8\n266 7\n591 2\u003c/pre\u003e\n "}},{"title":"Sample Output","value":{"format":"HTML","content":"\n \u003cpre\u003e1193.0\u003c/pre\u003e\n "}},{"title":"Hint","value":{"format":"HTML","content":"祝大家过年好~!!!"}}]}