{"trustable":false,"sections":[{"title":"","value":{"format":"HTML","content":"\n \u003cdiv class\u003d\"ptx\" lang\u003d\"en-US\"\u003e\n \u003cbr\u003e为了购买网络电缆,评审委员会已经联系了一个本地网络解决方案提供商,他们要求为他们销售指定长度的电缆。评审委员会希望电缆尽可能长,以使参赛者尽可能地远离对方。 \u003cbr\u003e公司的电缆主管被指派负责这项工作。他知道每根电缆的长度可达一厘米,他可以以厘米的精度切割它们,告诉它们必须切割的碎片的长度。然而,这一次,长度不知道,电缆主人是完全困惑。 \u003cbr\u003e你要帮助电缆主,通过编写一个程序,确定电缆的最大长度,可以从股票中的电缆切割,以获得指定的件数。 \u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\n \u003cdiv class\u003d\"ptx\" lang\u003d\"en-US\"\u003e\n The first line of the input file contains two integer numb ers N and K, separated by a space. N (1 \u003d N \u003d 10000) is the number of cables in the stock, and K (1 \u003d K \u003d 10000) is the number of requested pieces. The first line is followed by N lines with one number per line, that specify the length of each cable in the stock in meters. All cables are at least 1 meter and at most 100 kilometers in length. All lengths in the input file are written with a centimeter precision, with exactly two digits after a decimal point.\n \u003c/div\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\n \u003cdiv class\u003d\"ptx\" lang\u003d\"en-US\"\u003e\n Write to the output file the maximal length (in meters) of the pieces that Cable Master may cut from the cables in the stock to get the requested number of pieces. The number must be written with a centimeter precision, with exactly two digits after a decimal point. \n \u003cbr\u003eIf it is not possible to cut the requested number of pieces each one being at least one centimeter long, then the output file must contain the single number \"0.00\" (without quotes).\n \u003c/div\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre class\u003d\"sio\"\u003e4 11\n8.02\n7.43\n4.57\n5.39\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre class\u003d\"sio\"\u003e2.00\u003c/pre\u003e"}}]}