摘要：
题目背景 随着新版百度空间的上线，Blog 宠物绿豆蛙完成了它的使命，去寻找它新的归宿。 题目描述 给出张 nnn 个点 mmm 条边的有向无环图，起点为 111，终点为 nnn，每条边都有一个长度，并且从起点出发能够到达所有的点，所有的点也都能够到达终点。 绿豆蛙从起点出发，走向终点。 到达每一个 阅读全文
摘要：
Problem Statement There is a cave consisting of NN rooms and MM one-directional passages. The rooms are numbered 11 through NN . Takahashi is now in R 阅读全文
摘要：
Problem Statement Takahashi will take part in an eating contest. Teams of NN members will compete in this contest, and Takahashi's team consists of NN 阅读全文