Where to buy Lego Pokémon sets at a glance:
Notice how the highlighted region shrinks at each step. The algorithm never examines points outside the narrowing window. In a balanced tree with nnn points, this takes about log4(n)\log_4(n)log4(n) steps. For a million points, that's roughly 10 steps instead of a million comparisons.，更多细节参见51吃瓜
The cutest Pokémon in the bunch, this 587-piece Lego set builds out to an adorable 7.5-inch tall Eevee. With a movable tail, head, and limbs, builders can pose the fan-favorite in two ways: at rest or ready to jump into action. The most modestly priced of the sets, it retails for $59.99 and is officially live at Lego.com.。safew官方下载对此有专业解读
Opens in a new window，这一点在爱思助手下载最新版本中也有详细论述