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Janitor
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Time Limit
Memory Limit
Input File
Output File
1 second
256 MiB
janitorin.txt
janitorout.txt
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Problem info
Subtask 1 (10 points) has 8 cases.
Subtask 2 (25 points) has 9 cases.
Subtask 3 (20 points) has 16 cases.
Subtask 4 (25 points) has 16 cases.
Subtask 5 (20 points) has 37 cases.