Query
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Description
Coder Liu loves strange games. One day, while he was studying theories about tree, he found a strange game described down below: Master Ou has a weighted tree, the nodes was numbered from . The people in ou's place believe that there exists a magical path in such tree that the xor sum of the edges' weight is the maximun among all the path in the tree. Coder Liu is so attracted. Please help him to find the xor sum of that path.Input Format
The first line contains a positive integer , denoting the amount of edges. The next lines contain three positive integer , denoting there is an edge between that weights .Output Format
You should print the answer in a single line.4
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2 4 672020HBCPC训练赛
- 状态
- 已结束
- 规则
- ACM/ICPC
- 题目
- 8
- 开始于
- 2020-9-12 13:00
- 结束于
- 2020-9-12 17:00
- 持续时间
- 4 小时
- 主持人
-
2080226675@qq.com
- 参赛人数
- 15
