记录编号	83788	评测结果	A
题目名称	排队接水	最终得分	100
用户昵称	ch3coooh	是否通过	通过
代码语言	C++	运行时间	0.000 s
提交时间	2013-12-06 18:28:17	内存使用	0.29 MiB

#include<cstdio>
using namespace std;
struct p
{
    int id;
    int time;
}people[20];
int main()
{
    freopen("jieshui.in","r",stdin);
    freopen("jieshui.out","w",stdout);
    int i,n,j;
    scanf("%d",&n);
    for(i=0;i<n;i++)
    {
        people[i].id=i+1;
        scanf("%d",&people[i].time);
    }
    for(i=0;i<n;i++)
        for(j=i;j<n;j++)
        if(people[i].time>people[j].time)
        {
             int cup=people[i].time;
             people[i].time=people[j].time;
             people[j].time=cup;
             cup=people[i].id;
             people[i].id=people[j].id;
             people[j].id=cup;
        }
    int sum=0;
    for(i=0;i<n;i++)
    {
         printf("%d",people[i].id);
         printf("%c",' ');
         for(j=0;j<i;j++)
             sum+=people[j].time;
    }
    double t=(double)sum/(double)n;
    printf("\n%.2lf",t);
    return 0;
}