我缺乏空间想象能力。拜托 cube 玩得好的帮忙算个题:

来源: 2015-01-11 08:49:05 [旧帖] [给我悄悄话] 本文已被阅读:

break a 7x7x7 cube into smaller cubes in 1x1x1, or 2x2x2, or 3x3x3 combination, what is the minimum number of cubes that can be achieved?