题目链接: http://poj.org/problem?id=2253 Description Freddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is sitting on another stone. He plans to visit her, but since the water is dirty and full of tourists' suns…
题目链接: http://poj.org/problem?id=1797 Background Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand business. But he needs a clever man who tells him whether there really is a way from the place his customer has buil…
传送门:http://poj.org/problem?id=3565 Ants Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 7650 Accepted: 2424 Special Judge Description Young naturalist Bill studies ants in school. His ants feed on plant-louses that live on apple tree…
传送门:http://poj.org/problem?id=2195 Going Home Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 26151 Accepted: 13117 Description On a grid map there are n little men and n houses. In each unit time, every little man can move one unit st…
[POJ 2400] Supervisor, Supervisee(KM求最小权匹配) Supervisor, Supervisee Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 2538 Accepted: 719 Description Suppose some supervisors each get to hire a new person for their department. There are N…
Roadblocks Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 16425 Accepted: 5797 Description Bessie has moved to a small farm and sometimes enjoys returning to visit one of her best friends. She does not want to get to her old home too…
题意: 题目撰写者的英语真是艰难晦涩,看了别人题解,才知道这题题意. 两个forger 一个froger 要蹦到另外一个froger处,他们的最短距离是这样定义的 : The frog distance (humans also call it minimax distance) between two stones therefore is defined as the minimum necessary jump range over all possible paths between t…