Emergency Reinforcement — ORAC

Time Limit	Memory Limit
5 seconds	256 MiB

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Problem info

- Subtask 1 (5 points) has 1 case.
- Subtask 2 (5 points) has 1 case.
- Subtask 3 (15 points) has 1 case.
- Subtask 4 (15 points) has 1 case.
- Subtask 5 (15 points) has 1 case.
- Subtask 6 (15 points) has 1 case.
- Subtask 7 (15 points) has 1 case.
- Subtask 8 (15 points) has 1 case.
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