cattleb

提交数: 8, 通过率: 25%, 平均分: 31.38

题目描述:

1515554488398283282.png

输入格式:

1515554505770064534.png

输出格式:

1515554538524411089.png

样例输入:

3 1 0 0 0 2
0 -3 0 4
1 2 -1 1
1 -2 2 -1

样例输出:

2

提示:

OUTPUT DETAILS:
At time 1.5, Bessie is at point (0, 3), and the three bruisers are
at points (0, 3), (-0.5, 3.5), and (4, -3.5). The first two cattle
bruisers are within 1 unit of Bessie, while the third will never
be within 1 unit of Bessie, so 2 is the most achievable.

时间限制: 1000ms
空间限制: 64MB

来源: Usaco2009 Hol Gold