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User's AC Ratio

NaN% (0/0)

Submission's AC Ratio

NaN% (0/0)

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JAG Practice Contest 2013

Description

The PDF version of this problemset can be downloaded here.

Input Format

Output Format

Sample Input 1

5
1 x 2 4 x
2
x x
2
1 2
2
2 1
2
1000000000 x
4
x 2 1 x
0

Sample Output 1

3
none
ambiguous
none
ambiguous
none

Hints

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	20000	65536	131072

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