基于关键字树的序列比对算法，用于比对多个相似程度很高的DNA序列，此为复杂度较低的星比对算法。-Keyword-based tree sequence alignment algorithm for more than a high degree of similarity of DNA sequences, this is the low complexity of the star alignment algorithm.

用java实现的八皇后算法。时间复杂度较低，非递归算法。-Eight Queens using java implementation algorithm. Low complexity, non-recursive algorithm.