a2513472504 @ 2022-12-21 18:08:12
横纵坐标可以有一个为0，太坑了
by Katz @ 2022-12-21 18:10:36
0≤T i ≤1,000
by lzyqwq @ 2022-12-21 18:15:23
@a2513472504 雀氏不是
by _zqf @ 2023-01-15 10:00:29
@a2513472504 数据全部初始化，加1就可以不用判定边界了