实现不超过100的数的阶乘！用数组实现打出的存储，与去放！-not achieve more than 100 the number of factorial! Making use of the array to achieve the storage, and up to!

C++实现大数加减乘除取模运算，代码简明，注释清晰，容易理解。-C++ achieve large numbers arithmetic modulo operation, code that is concise, clear notes, easy to understand.