The algorithm also visits children in order of distance to the query point. This means it checks the most promising quadrants first, which tends to find a good candidate early and enables aggressive pruning of the remaining quadrants. Without this ordering, the algorithm would still produce the correct result, but it would prune fewer nodes.
Tens of millions watched on television as Lovell and two other astronauts splashed back down into the Pacific Ocean, a moment which has become one of the most iconic in the history of space travel.
。关于这个话题，夫子提供了深入分析
黎智英欺詐案上訴得直：定罪及刑罰被撤銷，出獄時間提前
3. The Secret Agent