This problem is a variant of the Josephus problem which can be solved with segment tree.
这个问题是约瑟夫问题的一个变种，可以用线段树解决。
The model of grass and tree is described as a set of connected branch segments. Each segment is assumed that one side is fixed and another is free.
草木模型由互相连接的离散段组成，每个离散段一端固定，一端自由。
A new segment coding-based algorithm to automatically creating product structure tree was put forward.
提出了一种基于分段代码自动生成产品结构树的算法。
The method of image segmentation and feature extraction is to segment a individual tree from its surrounding sceneries in the photography image of the woodland, and mark the feature points.
图像分割和特征提取，是将摄影图像里的目标物体与其周围的景物分割，并且获取其特征点数据的方法和技术。
The method of image segmentation and feature extraction is to segment a individual tree from its surrounding sceneries in the photography image of the woodland, and mark the feature points.
图像分割和特征提取，是将摄影图像里的目标物体与其周围的景物分割，并且获取其特征点数据的方法和技术。
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