So things that are good candidates for divide And conquer are problems where it's easy to figure out how to divide down, and the combination is of little complexity.

因为适合用分治算法解决的问题,最好是能够简单的将问题进行分解,并且合并的过程不是非常的复杂,只要比线性方案要小。

麻省理工公开课 - 计算机科学及编程导论课程节选