Pearls — ORAC

Time Limit	Memory Limit
0.5 seconds	512 MiB

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Problem info

- Subtask 1 (25 points) has 30 cases.
- Subtask 2 (15 points) has 43 cases.
- Subtask 3 (15 points) has 56 cases.
- Subtask 4 (30 points) has 23 cases.
- Subtask 5 (15 points) has 66 cases.