twins problem codeforses div 2A
#include<bits/stdc++.h>
using namespace std;
#define N 1001
int a[N];
int n;
int sum;
int it;
int main()
{
cin>>n;
for(int i=1;i<=n;i++)cin>>a[i];
sort(a+1,a+n+1);
for(int i=1;i<=n;i++) sum+=a[i];
it=sum/2+1;
int hh=0;
int cnt=0;
for(int i=n;i>=1;i--)
{
cnt++;
hh+=a[i];
if(hh>=it)
{
cout<<cnt<<endl;break;
}
}
}twins problem codeforses div 2A
#include<bits/stdc++.h>
using namespace std;
#define N 1001
int a[N];
int n;
int sum;
int it;
int main()
{
cin>>n;
for(int i=1;i<=n;i++)cin>>a[i];
sort(a+1,a+n+1);
for(int i=1;i<=n;i++) sum+=a[i];
it=sum/2+1;
int hh=0;
int cnt=0;
for(int i=n;i>=1;i--)
{
cnt++;
hh+=a[i];
if(hh>=it)
{
cout<<cnt<<endl;break;
}
}
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