是pow(2,31)吧...
by Celtic @ 2020-03-19 16:18:33
@[Celtic](/user/176990) 谢谢大佬
by W_churchill @ 2020-03-19 20:42:12
emmmm
by W_churchill @ 2020-03-19 20:42:22
啊啊啊啊
这回80分了
第三个测试点输入48，输出512559680=2*2*2*2*2*2*5*1601749。
这怎么优化啊？
by W_churchill @ 2020-03-19 20:43:41
@[Qinclude](/user/224791) 递归会超时
by ⚡zhangjingcan⚡ @ 2020-03-20 11:07:44
@[Qinclude](/user/224791) 用递推
by ⚡zhangjingcan⚡ @ 2020-03-20 11:08:12
@[Qinclude](/user/224791) 实在不行，你程序既然写出来了，就可以用来打表
by ⚡zhangjingcan⚡ @ 2020-03-20 11:12:29