该程序是数据结构（严蔚敏版的）教程算法1-1的源代码抽象和数据类型Triplet和ElemType(由c1-1.h定义)的基本操作(8个)-The program is a data structure (Yan Wei-min version) Tutorial 1-1 algorithm source code abstraction and data types Triplet and ElemType (defined by the c1-1.h) the basic operation