poj 1247 Magnificent Meatballs

#include <iostream>
using namespace std;
int main()
{
    int n,list[31],total,i;
    while(cin>>n&&n)
    {
        total=0;
        for( i=1;i<=n;i++)
        {
            cin>>list[i];
            total+=list[i];
        }
        if(total%2!=0)
            cout<<"No equal partitioning.\n";
        else
        {
            total/=2;
            int sum=0;
            for( i=1;;i++)
            {
                sum+=list[i];
                if(sum>=total)
                    break;
            }
            if(sum==total)
                cout<<"Sam stops at position "<<i<<" and Ella stops at position "<<i+1<<".\n";
            else 
                    cout<<"No equal partitioning.\n";
        }
    }
    return 0;
}