Save Geekland

The $N$ cities in Geekland are all under attack from the Night Crawler who lurks in dark shadows and spreads nightmares. As the protector of Geekland you have to visit each city and save Geekland from the terror of the Night Crawler. The only way to defeat the Night Crawler is to collect maximum points by visiting all the cities. All cities are connected by bidirectional paths.A new city can