摘要：
In 1953, David A. Huffman published his paper "A Method for the Construction of Minimum-Redundancy Codes", and hence printed his name in the history o... 阅读全文
摘要：
We have a network of computers and a list of bi-directional connections. Each of these connections allows a file transfer from one computer to another... 阅读全文
摘要：
An AVL tree is a self-balancing binary search tree. In an AVL tree, the heights of the two child subtrees of any node differ by at most one; if at any... 阅读全文