CONTEST ID : 282 - 2026春夏算法（1）——高精度计算

A B C D 为必做题
E F G 为选做题

SERVER TIME : 2026-03-22 07:00:13
Running Left 6days 15 hours 59 minutes 47 seconds

STATUS : Running    OPEN : Private
Start Time : 2026-03-21 19:00:00
End Time : 2026-03-28 23:00:00