New Problems 2020 全國賽、2021 全國模擬賽修復完成，2022 TOI 初選、2021 全國賽上線囉！
Rejudge Announcement 1877 測資已修正 & rejudge

Testdata Results

Testdata no.	Subtasks	Time (ms)	Memory (KiB)	Verdict	Score
0	1	81	48824	Accepted	100
1	1	83	48824	Accepted	100
2	1	77	48828	Accepted	100
3	1	75	48828	Accepted	100
4	1	78	48824	Accepted	100
5	2	1298	95192	Accepted	100
6	2	1249	95192	Accepted	100
7	2	1184	95208	Accepted	100
8	2	1181	95208	Accepted	100
9	2	1216	95228	Accepted	100
10	3	69	48824	Accepted	100
11	3	72	48824	Accepted	100
12	3	70	48828	Accepted	100
13	3	70	48828	Accepted	100
14	3	68	48824	Accepted	100
15	4	118	53984	Segmentation Fault	0
16	4	86	53984	Segmentation Fault	0
17	4	132	53984	Segmentation Fault	0
18	4	136	53988	Segmentation Fault	0
19	4	133	53988	Segmentation Fault	0

Problem