在掌握算术编码原理的情况下，借助相应的编码程序进行仿真，比对结果，能更好的检查自身的掌握情况。此代码是算术编码的编码程序，运行环境是visual C++。-In the mastery of the principle of the arithmetic coding, with the corresponding coding procedure simulation and compare the results, the better check their own masters. This code is the arithmetic coding coding procedure, operation environment is visual c++.