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User's AC Ratio

NaN% (0/0)

Submission's AC Ratio

NaN% (0/0)

Tags

NTU Preliminary NTU Preliminary 2020

Description

The PDF version of this problem can be downloaded here.

Input Format

Output Format

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Problem Source

Migrated from old NTUJ.

Subtasks

No.	Testdata Range	Score

Testdata and Limits

No.	Time Limit (ms)	Memory Limit (VSS, KiB)	Output Limit (KiB)	Subtasks
0	2000	262144	131072
1	2000	262144	131072
2	2000	262144	131072
3	2000	262144	131072
4	2000	262144	131072
5	2000	262144	131072
6	2000	262144	131072
7	2000	262144	131072
8	2000	262144	131072
9	2000	262144	131072
10	2000	262144	131072
11	2000	262144	131072
12	2000	262144	131072
13	2000	262144	131072
14	2000	262144	131072
15	2000	262144	131072
16	2000	262144	131072
17	2000	262144	131072
18	2000	262144	131072
19	2000	262144	131072

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