随笔分类 - 树

树+dfs

摘要：原题链接：https://codeforces.com/problemset/problem/2050/G 题解链接：https://blog.csdn.net/Lazy_ChessPlayer/article/details/144279298 #include<bits/stdc++.h> #d 阅读全文

posted @ 2025-01-16 11:37 laileou 阅读(16) 评论(0) 推荐(0)

树+图

摘要：https://codeforces.com/problemset/problem/2053/E #include<bits/stdc++.h> using namespace std; #define endl '\n' #define lowbit(x) x&(-x) using ll = lo 阅读全文

posted @ 2025-01-14 15:12 laileou 阅读(21) 评论(0) 推荐(0)

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随笔分类 - 树