d-fal

package model

import (
	"database/sql"
	"fmt"
	"time"

	"github.com/godror/godror"
	"github.com/godror/godror/dsn"

d-fal

We have a constellation of cities on a given map. The cities are distributed as below :

c1 --<2km>--- c2 -----<3km>---- c3 ------<2km>----- c4
|                                |                       
<1km>                           <2km>                        
|                                |
c5---<1km>--- c6 -----<2km>---- c7 ------<2km>----- c8----<5km>---c9
              |                 |
 &lt;3km&gt; &lt;9km&gt;