三部排序，一般的排序有许多经典算法，如快速排序、希尔排序等。但实际应用时，经常会或多或少有一些特殊的要求。我们没必要套用那些经典算法，可以根据实际情况建立更好的解法。比如，三部排序。-Three sorting, generally there are many classic sort algorithms, such as quick sort, Hill sorting. However, practical application, often more or less have som