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Problem 4616 >> 此题样例有误
lichangdongtw @ 2018-05-22 13:03:03
[ Quote ] [ Edit ] [ Delete ] 1#
正确输入应该是
3
0 50 -1
55 0 40
-1 40 0
1
0 2 120
3
0 1
1 2
1 0
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