Collision Free Swarming — ORAC

Time Limit	Memory Limit	Input File	Output File
3 seconds	128 MiB	`Standard Input`	`Standard Output`

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Problem info

- Subtask 1 (5 points) has 10 cases.
- Subtask 2 (5 points) has 13 cases.
- Subtask 3 (10 points) has 9 cases.
- Subtask 4 (20 points) has 42 cases.
- Subtask 5 (15 points) has 23 cases.
- Subtask 6 (25 points) has 43 cases.
- Subtask 7 (15 points) has 62 cases.
- Subtask 8 (5 points) has 84 cases.