CONTEST ID : 1295 - 二维数组练习

14:20统一提交！每道题只能提交一次！！！

SERVER TIME : 2025-07-12 18:02:02
Finished

STATUS : End    OPEN : Private
Start Time : 2022-02-11 13:25:00
End Time : 2022-02-11 16:00:00