题目

、
代码
#include <bits/stdc++.h>
using namespace std;
const double eps = 1e-8;
const int N = 1e5+10;
int a[N];
int main()
{
int n;
cin >> n;
for(int i = 1; i <= n; i++)
{
cin >> a[i];
}
sort(a+1, a+n+1);
int maxx = a[n], minn = a[1];
double midd;
if((1+n) % 2 == 0) midd = a[(1+n)/2];
else midd = 1.0 * (a[(1+n)/2] + a[(1+n)/2+1]) / 2;
printf("%d ", maxx);
if(fabs(midd - (int)midd) > eps)
{
printf("%.1lf ", midd);
}
else printf("%d ", (int)midd);
printf("%d", minn);
return 0;
}




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