全解题报告索引目录 -> 【北大ACM – POJ试题分类】
POJ1523 -> 【SPF】
测试数据来源
Greater New York 2000 – 问题H
Sample Input
1 2
5 4
3 1
3 2
3 4
3 5
0
1 2
2 3
3 4
4 5
5 1
0
1 2
2 3
3 4
4 6
6 3
2 5
5 1
0
1 2
0
1000 999
999 998
998 997
997 1000
0
1 2
2 3
0
1 2
1 3
1 4
1 5
0
1 2
1 3
1 4
2 3
2 5
2 6
3 7
3 8
7 8
0
1 2
1 3
1 4
1 5
2 3
2 4
2 5
3 4
3 5
4 5
0
0
Sample Output
Network #1
SPF node 3 leaves 2 subnets
Network #2
No SPF nodes
Network #3
SPF node 2 leaves 2 subnets
SPF node 3 leaves 2 subnets
Network #4
No SPF nodes
Network #5
No SPF nodes
Network #6
SPF node 2 leaves 2 subnets
Network #7
SPF node 1 leaves 4 subnets
Network #8
SPF node 1 leaves 2 subnets
SPF node 2 leaves 3 subnets
SPF node 3 leaves 2 subnets
Network #9
No SPF nodes
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