摘要: 树链剖分 #include <iostream> #include <cstdio> #include <cstring> #include <algorithm> using namespace std; typedef long long LL; const int N = 100010, M 阅读全文
posted @ 2020-10-23 22:14 lew2018 阅读(87) 评论(0) 推荐(0)
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