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摘要: C - Rooks Defenders 线段树模板,维护:1)v:个数 , 2)sum:v的个数是否大于0. // #include"bits/stdc++.h" #include"iostream" using namespace std; const int N = 2e5; struct No 阅读全文
posted @ 2024-02-25 22:27 Through_The_Night 阅读(2) 评论(0) 推荐(0) 编辑