Thuê phòng họp
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Problem ID:
olp304_xgraph
Points:
2.5 (partial)
Time limit:
0.3s
Memory limit:
265M
Input:
XGRAPH.INP
Output:
XGRAPH.OUT
Author:
Problem types
Dữ liệu vào
6 6 5
4 9
1 8
3 9
0 0
6 2
3 1
1 2 2
2 3 3
1 4 1
4 5 1
5 3 2
2 6 4
1 3 4
3 6 2
3 6 6
3 6 1
5 5 6
Dữ liệu ra
8
2
1
9
-1
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