Robot* Valley:: otherRobotAt(Robot* rp) const
{	
	for( int i=0; i<m_nrobots; i++) 
	{
		if (rp->row()==m_robots[i]->row() && rp->col()==m_robots[i]->col()) 
		{	int minpos=0;
			for(int j=0;j<MAXSOURCES;j++) 
			{
				if(m_robots[j]->energy()<=m_robots[minpos]->energy()) 
					minpos=j; 
			}
			return m_robots[minpos];
		}
		else 
		{
			return NULL;
		}
	}
}
		}
	}
}