https://codeforces.com/contest/1787 TypeDB Forces 2023 (Div. 1 + Div. 2) C (dp) D(dfs), 严格鸽 TypeDB Forces 2023 (Div. 1 + Div. 2, Rated, Prizes!), Immortality Problem G. Colorful Tree Again 题意：给定一个边权图，…
https://codeforces.com/contest/1787 TypeDB Forces 2023 (Div. 1 + Div. 2) C (dp) D(dfs), 严格鸽 TypeDB Forces 2023 (Div. 1 + Div. 2, Rated, Prizes!), Immortality Problem G. Colorful Tree Again 题意：给定一个边权图，…
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