2865 . Virus

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TopCoder

User's AC Ratio

NaN% (0/0)

Submission's AC Ratio

NaN% (0/0)

Tags

Description

The PDF version of this problemset can be downloaded here.

Input Format

Output Format

Sample Input 1

6
2 3
4 0
5 6
0 0
0 0
0 0
3
2 3
0 0
0 0
4
3 2
0 0
0 4
0 0

Sample Output 1

2
2
2

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 3000 262144 131072
1 3000 262144 131072
2 3000 262144 131072
3 3000 262144 131072
4 3000 262144 131072
5 3000 262144 131072
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51 3000 262144 131072
52 3000 262144 131072
53 3000 262144 131072
54 3000 262144 131072
55 3000 262144 131072
56 3000 262144 131072
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