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Ghost Encounters
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Time Limit
Memory Limit
Input File
Output File
1 second
256 MiB
ghostin.txt
ghostout.txt
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Attachments
sample-1-out.txt
sample-3-out.txt
sample-2-in.txt
sample-3-in.txt
sample-2-out.txt
sample-1-in.txt
Problem info
Subtask 1 (25 points) has 10 cases.
Subtask 2 (30 points) has 16 cases.
Subtask 3 (35 points) has 23 cases.
Subtask 4 (10 points) has 36 cases.