随笔分类 -  模板

【模板】cdq分治代替树状数组（单点修改，区间查询）
摘要：```cpp include include include include include include using namespace std; const int N = (int)1e6 + 5; int n, m; struct Q{ int type, id; long long va 阅读全文
posted @ 2019-03-10 22:26 hjmmm 阅读(222) 评论(0) 推荐(0)