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Hippo Marshes
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Time Limit
Memory Limit
Input File
Output File
1.5 seconds
256 MiB
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Standard Output
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Problem info
Subtask 1 (20 points) has 22 cases.
Subtask 2 (30 points) has 27 cases.
Subtask 3 (30 points) has 45 cases.
Subtask 4 (20 points) has 67 cases.