摘要: Question 01 [P3374 树状数组一] 模板题 Code #include<bits/stdc++.h> using namespace std; const int N=5e5+7; class Tree{ public: inline void scan(long long *_da 阅读全文
posted @ 2025-01-21 12:35 2025ing 阅读(25) 评论(0) 推荐(0)