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摘要: #include <bits/stdc++.h> #define N 300005 using namespace std; int n, a, b, da, db; int head[N], ver[2 * N], Next[2 * N], tot = 0; int p1, p2, mxd = 0 阅读全文
posted @ 2022-11-02 21:11 脂环 阅读(21) 评论(0) 推荐(0) 编辑