排水系统(water)
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输入格式
6 1 3 6
1 2 1
1 3 1
2 4 0
2 5 0
3 5 0
3 6 0
输出格式
748683265 499122177 748683265
提高组测试3
- Status
- Done
- Rule
- IOI
- Problem
- 4
- Start at
- 2023-8-16 0:00
- End at
- 2023-8-20 4:00
- Duration
- 100 hour(s)
- Host
- Partic.
- 6