FatMouse' Trade有N个房间,你有M镑的猫粮,在第i个房间你最多可以花费F[i]的猫粮来交换J[i]的豆子,交换可以按比例来,不一定全部交换,能在多个房间交换.求M镑最多能交换多少豆子.输入描述：输入

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FatMouse''Trade有N个房间,你有M镑的猫粮,在第i个房间你最多可以花费F[i]的猫粮来交换J[i]的豆子,交换可以按比例来,不一定全部交换,能在多个房间交换.求M镑最多能交换多少豆子.输入

FatMouse' Trade有N个房间,你有M镑的猫粮,在第i个房间你最多可以花费F[i]的猫粮来交换J[i]的豆子,交换可以按比例来,不一定全部交换,能在多个房间交换.求M镑最多能交换多少豆子.输入描述：输入
FatMouse' Trade
有N个房间,你有M镑的猫粮,在第i个房间你最多可以花费F[i]的猫粮来交换J[i]的豆子,交换可以按比例来,不一定全部交换,能在多个房间交换.求M镑最多能交换多少豆子.
输入描述：
输入数据有多组,每行有两个整数M和N,接下有N行,每行有两个整数J[i]和F[i].当M=-1和N=-1时结束.所有整数不会大于1000.
输出描述：
输出能还得最大最大豆子数,保留三位小数.
样例输入：
5 3
7 2
4 3
5 2
20 3
25 18
24 15
15 10
-1 -1
样例输出：
13.333
31.500
要求使用qsort

FatMouse' Trade有N个房间,你有M镑的猫粮,在第i个房间你最多可以花费F[i]的猫粮来交换J[i]的豆子,交换可以按比例来,不一定全部交换,能在多个房间交换.求M镑最多能交换多少豆子.输入描述：输入
#include
struct
{
int java;
int food;
double aver;
}unit[10000],t;
int main()
{
int i,j,k,m,n;
double sum;
while(scanf("%d%d",&m,&n)!=EOF&&n!=-1&&m!=-1)
{
sum=0;
for(i=0;i

FatMouse' Trade有N个房间,你有M镑的猫粮,在第i个房间你最多可以花费F[i]的猫粮来交换J[i]的豆子,交换可以按比例来,不一定全部交换,能在多个房间交换.求M镑最多能交换多少豆子.输入描述：输入 FatMouse' Trade有N个房间,你有M镑的猫粮,在第i个房间你最多可以花费F[i]的猫粮来交换J[i]的豆子,交换可以按比例来,不一定全部交换,能在多个房间交换.求M镑最多能交换多少豆子.输入描述：输入杭电ACM FatMouse' Trade算法题Problem DescriptionFatMouse prepared M pounds of cat food, ready to trade with the cats guarding the warehouse containing his favorite food, JavaBean.The warehouse has N rooms. The i-th room contains J[i] pounds of J 帮我看看这为什么在oj上就是不行 FatMouse' TradeDescriptionFatMouse prepared M pounds of cat food,ready to trade with the cats guarding the warehouse containing his favorite food,JavaBean.The warehouse has N rooms.The i-th room contains J 杭电ACM 第1009题 FatMouse' TradeProblem DescriptionFatMouse prepared M pounds of cat food,ready to trade with the cats guarding the warehouse containing his favorite food,JavaBean.The warehouse has N rooms.The i-th room contains J[i] pounds of Ja C语言编程题 FatMouse' TradeFatMouse' TradeTime Limit:1000MS Memory Limit:65536KTotal Submit:395 Accepted:95 Description FatMouse prepared M pounds of cat food,ready to trade with the cats guarding the warehouse containing his favorite food,JavaB 杭电 oj FatMouse' Trade原题连接：代码太长,不能发,考虑到了catfood 可能为0的情况,但是还是一直wa给个代码的连接吧,http://hi.baidu.com/%E6%88%91%E6%83%B3%E6%9C%89%E4%B8%AA%E4%BF%A1%E4%BB%B0/blog/item/6a609243435479208 故宫有多少个房间? 设有n个人,每个人都有等可能的被分配到N个房间中的任意一间去（n 设有n个人,每个人等可能地被分配到N个房间中的任一房间去住（n≤N）,求下列事件的概率.1）指定的n个房间中各有一个人住（2）恰好有n个房间,其中各住一人设有n个人,每个人等可能地被分配到N个房间中的任一房间去住（n≤N）,求下列事件的概率.1）指定的n个房间中各有一个人住（2）恰好有n个房间,其中各住一人设有n个人,每个人都有同样的概率1/N被分配到n(n≤N)个房间中的任意一间去,求下列概率A.指定的房间中恰有m(m≤n)人B.恰好有n个房间,其中各住一人我的智商不够用了.一家宾馆有12间房间,每个住客入住会进行登记.要求每个房间,每天至少接待5个不同的住客.每个住客可在一天内开N个房间.每个房间有N个床位.但要求任意2名住客之间,任何 n(里应该填房间类单词)room是个房间类的英语单词 trade TRADE trade TRADE