利用数组实现大数阶乘，初始数组设为long int，长度35000，可以实现8000以内任意数的阶乘，可以修改数组长度，改变所计算数的范围。用c实现，vc6.0环境下测试通过-Realize the use of an array of factorial of large numbers, the initial array as long int, the length of 35000, you can realize arbitrary number less than 8000 fac