Shortest Cycle（容斥原理+floyd求最小环）
http://codeforces.com/contest/1206/problem/D
output
standard output
You are givennninteger numbersa1,a2,…,an. Consider graph onnnnodes, in which nodesi,j(i≠j) are connected if and only i...
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2019-08-22 00:34:08 ·
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