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https://endsah.cf/blog/ARC093E-Bichrome-Spanning-Tree/
Description给定一个 $n$ 点 $m$ 边的无向连通图,现需要对每条边染黑或白色。 定义一棵生成树合法,当且仅当其至少有一条黑边和白边。 问有多少种染色方案满足最终图中合法的最小生成树的权值等于 $x$。 $$1 \le n \le 1000, 1 \le m \le 2000, 1 \le x \le 10 ^{12} \\texttt{Bonus:} 1 \le n \le 5
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https://endsah.cf/blog/ARC093E-Bichrome-Spanning-Tree/
Description给定一个$n$ 点 $m$ 边的无向连通图,现需要对每条边染黑或白色。 定义一棵生成树合法,当且仅当其至少有一条黑边和白边。 问有多少种染色方案满足最终图中合法的最小生成树的权值等于 $x$ 。 $$1 \le n \le 1000, 1 \le m \le 2000, 1 \le x \le 10 ^{12} \\texttt{Bonus:} 1 \le n \le 5
The text was updated successfully, but these errors were encountered: