……这可能是早年Pascal盛行的时候考排序的吧居然还是Glod……

#include<iostream>
#include<cstdio>
#include<algorithm>
using namespace std;
const int N=100005;
int n,a[N];
int read()
{
int r=0,f=1;
char p=getchar();
while(p>'9'||p<'0')
{
if(p=='-')
f=-1;
p=getchar();
}
while(p>='0'&&p<='9')
{
r=r*10+p-48;
p=getchar();
}
return r*f;
}
int main()
{
n=read();
for(int i=1;i<=n;i++)
a[i]=read();
sort(a+1,a+1+n);
printf("%d\n",a[(1+n)>>1]);
return 0;
}

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