@[孙玉瑶](/space/show?uid=195363) n的范围是$2^{40}$,得用long long,这么大范围肯定不是模拟，你这样O($N^2$)不T才怪,还有为什么要system("pause")一下。。
by lyb666666 @ 2019-06-02 13:02:23
够大吗
by 沧海的追捧者 @ 2019-06-02 14:19:26
``system("pause")``笑出声
by TobyFlenderson @ 2019-10-18 13:13:36
system("pause"0); ......
by JeffWang2019 @ 2020-02-08 00:11:14
eee
by hzfhdd @ 2022-02-28 21:56:27