摘要:
https://vjudge.net/problem/POJ-3041 Bessie wants to navigate her spaceship through a dangerous asteroid field in the shape of an N x N grid (1 <= N <= 阅读全文
摘要:
好麻烦啊! 存下来当模板吧,,不想写 http://www.cnblogs.com/zhujiangning/p/7157465.html 阅读全文
摘要:
很好理解的,,按最大流思路理解就行 用优先队列优化复杂度低一点 阅读全文