https://lbr.ink/categories/mo-banMaochongHalo v2.25.0zh-cnhttps://lbr.ink/upload/icon-Huqp.pnghttps://lbr.ink/categories/mo-banMon, 15 Jun 2026 11:47:15 GMThttps://lbr.ink/archives/ji-suan-ji-he-ban-zi计算几何模板 几何 点 struct Point { double x, y; Point() : x(0), y(0) {} Point(double _x, double _y) : x(_x), y(_y) {} Point operator+(Point& p]]>/archives/ji-suan-ji-he-ban-zilbr模板Tue, 20 May 2025 00:00:00 GMThttps://lbr.ink/archives/suan-fa-jing-sai-mo-ban数据结构 树状数组 //单点修改+区间查询 或 区间修改+单点查询 struct bit { int n; vector<int> a; bit(int _n) : n(_n) { a.assign(n + 1, 0); } void ad(i]]>/archives/suan-fa-jing-sai-mo-banlbr模板Sun, 16 Mar 2025 00:00:00 GMT