#include<bits/stdc++.h>
using namespace std;
int main()
{
int n,i,a[105];
cin>>n;
int
total=0;
for(i=0; i<n; i++)
{
cin>>a[i];
total+=a[i];
}
sort(a,a+n);
int
max=0;
int
count=1;
for(i=n-1; i>=0; i--)
{
max+=a[i];
if (max>total/2)
break;
count++;
}
cout<<count<<endl;
return 0;
}
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