Contents Foreword xvii Introduction Chapter 1 UNIX Evolution and Standardization xix 1 A Brief Walk through Time ................................................................... 1 How Many Versions of UNIX Are There? .............................
using namespace std; /***********************************************/ struct HTNode{/*Huffman Tree 的结构定义*/ long long weight; int parent, lchild, rchild; char chr; }; class Huffman{ private: long long stat[256]; struct HTNode HT[512]; long long sum;
