摘要：
题目链接：http://poj.org/problem?id=1860找正环，找最长路，水题，WA了两天了。。#include #include struct Edge{ int u, v; double r, c;}edge[210];int rear, n, m, s;double ... 阅读全文
摘要：
DescriptionBessie wants to navigate her spaceship through a dangerous asteroid field in the shape of an N x N grid (1 #include int n, k, link[510];boo... 阅读全文