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AIOLI
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Time Limit
Memory Limit
1.5 seconds
256 MiB
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Problem info
Subtask 1 (10 points) has 18 cases.
Subtask 2 (35 points) has 28 cases.
Subtask 3 (20 points) has 38 cases.
Subtask 4 (35 points) has 45 cases.