3064 . Magical Bridges

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User's AC Ratio

NaN% (0/0)

Submission's AC Ratio

NaN% (0/0)

Tags

JAG Practice Contest 2012

Description

The PDF version of this problemset can be downloaded here.

Input Format

Output Format

Sample Input 1

3 2 2 3 1
1 2 1
1 3 2
4 3 1 4 2
2 1 3
2 3 x
4 3 x
0 0 0 0 0

Sample Output 1

1
1

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 262144 131072
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