从1加到N还有N！两个算法实现 N自己设置大小 没有限制 只要内存够大 CPU够快就行 我算100！用1秒多 结果我记得好像有300多位呢-From the one added to N there N! Two algorithms to achieve their own set N there is no restriction as long as the memory size is large enough CPU fast enough on the line, I count