#941. 排水系统(water)
排水系统(water)
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
Statistics
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In following contests:
6 1 3 6
1 2 1
1 3 1
2 4 0
2 5 0
3 5 0
3 6 0
748683265 499122177 748683265
In following contests:
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