最优二叉树——哈夫曼树（带权路径长度最短）的完整实现，类C语言实现代码源文件，建议在visual studio2010/2015环境下运行。-Optimal binary tree- Huffman tree (with the right length of the shortest path) to achieve a complete, class C language code source files, it is recommended to run under visual stu