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这题有以下几个步骤 1.离线处理出每个点的作用范围 2.根据线段树得出作用范围 3.根据分治把每个范围内的点记录和处理 include using namespace std; typedef long long ll; const int maxn = 3e5 + 50; typedef pair 阅读全文
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layout: post title: 南昌邀请赛网络赛 author: "luowentaoaa" catalog: true tags: mathjax: true codeforces DP 传送门 今天我的问题: 1:没有看D,一眼认为D是大模拟题,就不做了,(其实D只是个DP而且我是可以切 阅读全文
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layout: post title: Codeforces Round 272(Div. 2) author: "luowentaoaa" catalog: true tags: mathjax: true codeforces DP 传送门 "A Dreamoon and Stairs" (暴力 阅读全文
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layout: post title: Codeforces Round 271(Div. 2) author: "luowentaoaa" catalog: true tags: mathjax: true codeforces 几何 传送门 C. "Captain Marmot" (几何,点旋转 阅读全文
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layout: post title: Codeforces Round 269 (Div. 2) author: "luowentaoaa" catalog: true tags: mathjax: true codeforces 传送门 "C MUH and House of Cards" (数 阅读全文
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layout: post title: Codeforces Round 268 (Div. 2) author: "luowentaoaa" catalog: true tags: mathjax: true codeforces 传送门 "C 24 Game" (分类讨论 构造) 思路 首先$n 阅读全文
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```cpp include using namespace std; typedef long long ll; const int maxn=6e6+50; unordered_mapm; unordered_mapp; bool vis[maxn]; int mu[maxn],sum_mu[m 阅读全文
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layout: post title: Codeforces Round 267(Div. 2) author: "luowentaoaa" catalog: true tags: mathjax: true codeforces DP SPFA 贪心 传送门 "A George and Accom 阅读全文
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layout: post title: Codeforces Round 548 (Div. 2) author: "luowentaoaa" catalog: true tags: mathjax: true codeforces "D Steps to One" 思路 阅读全文
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layout: post title: Educational Codeforces Round 62 (Rated for Div. 2) author: "luowentaoaa" catalog: true tags: mathjax: true codeforces dp 传送门 "D Mi 阅读全文