JXNUACM1014当总统

#include <iostream>using namespace std;int main(){int i,j,n,a[110],s,t;while (cin>>n && n!=0){for (i=1;i<=n;++i)cin>>a[i];for (i=1;i<n;++i)for (j=i+1;j<=n;++j)if (a[i]>a[j]){t=a[i]; a[i]=a[j]; a[j]=t;}s=0;for (i=1;i<=(n/2+1);i++)s+=a[i]/2+1;cout<<s<<endl;}return 0;}