for(int i=1;i<=n;i++)
		for(int j=1;j<=n;j++){
			cin>>edge[i][j].w;
			edge[i][j].st=i;
			edge[i][j].ed=j;
			m++;
		}

42	16	C:\xdks.cpp	[Error] no match for 'operator[]' (operand types are 'Edge' and 'int')
43	11	C:\xdks.cpp	[Error] no match for 'operator[]' (operand types are 'Edge' and 'int')
44	11	C:\xdks.cpp	[Error] no match for 'operator[]' (operand types are 'Edge' and 'int')