摘要: #include <iostream> #include <algorithm> using namespace std; const int MaxN = 1e5 + 10; struct Node { int ch[2], fa, w, x, tag; } a[MaxN]; int n, m; 阅读全文
posted @ 2025-03-08 17:39 yabnto 阅读(12) 评论(1) 推荐(0)