ldxx26 @ 2024-05-28 13:44:42
答案最大能上到10^16 , 要开long long
by Cubing_psny @ 2024-06-17 20:56:49
@ldxx26 ok
by cgxd @ 2024-07-01 15:44:10
long long 不够吧要unsigned long long才够吧（本人亲自试了一下）