Walking on the Safe Side Square City is a very easy place for people to walk around. The two-way streets run North-South or East-West dividing the city into regular blocks. Most street intersections are safe for pedestrians to cross. In some of th…
http://poj.org/problem?id=3249 Test for Job Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 8206 Accepted: 1831 Description Mr.Dog was fired by his company. In order to support his family, he must find a new job as soon as possible. No…