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User's AC Ratio

NaN% (0/0)

Submission's AC Ratio

NaN% (0/0)

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Description

The PDF version of this problem can be downloaded here.

Input Format

Output Format

Sample Input 1

1
1
aa
4
4 4 4 4
ttttttttttttttt

Sample Output 1

No
Yes

Hints

Problem Source

Migrated from old NTUJ.

ACM ICPC Dalian 2011

Subtasks

No.	Testdata Range	Score

Testdata and Limits

No.	Time Limit (ms)	Memory Limit (VSS, KiB)	Output Limit (KiB)	Subtasks
0	4000	65536	200

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