Less than 40 miles north of San Francisco, the city of Benicia has the quaint ambience of an American small town, where a white gazebo and sign for a community crab bake mark the approach to a vibrant downtown stretch of restaurants, cafes and antique shops.
Step through the construction below. Each time a new point is inserted, watch the tree decide whether it needs to split a region:，推荐阅读im钱包官方下载获取更多信息
- 子节点i的父节点: (i-1)/2，详情可参考同城约会
- Allow transparent backgrounds.
Материалы по теме: