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KingNish

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FineMath-3plus

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ERROR: type should be string, got "https://www.cnblogs.com/ljh2000-jump/p/6423399.html\n\n``` #include<cmath>\n#include<vector>\n#include<cstdio>\n#include<algorithm>\n#define rep(i,l,r) for (int i=(l); i<=(r); i++)\ntypedef long long ll;\nusing namespace std;\nconst int N=;\nbool vis[N],in[N];\nll s[N],sp[N],fz,fm;\nstruct P{ int x,y; }p[N];\nP operator -(const P &a,const P &b){ return (P){a.x-b.x,a.y-b.y}; }\nll operator *(const P &a,const P &b){ return 1ll*a.x*b.y-1ll*b.x*a.y; }\nstruct E{\nint u,v,id; double sl;\nE(){}; E(int a,int b,int i):u(a),v(b),id(i),sl(atan2(p[b].y-p[a].y,p[b].x-p[a].x)){}\n}e[N];\nbool operator <(const E &a,const E &b){ return a.sl<b.sl; }\nvector<E>w[N],tr[N];\nvoid add(int u,int v){ cnt++; e[cnt]=(E){u,v,cnt}; w[u].push_back(e[cnt]); }\nll gcd(ll a,ll b){ return b ? gcd(b,a%b) : a; }\nint find(int x,E b){\nint l=,r=w[x].size()-;\nwhile (l<r){\nint mid=(l+r+)>>;\nif (b<w[x][mid]) r=mid-; else l=mid;\n}\nreturn l;\n}\nvoid dfs(int x){\nvis[x]=; sp[x]=s[x]*s[x]; s[x]<<=; int ed=tr[x].size()-;\nrep(i,,ed){\nint v=tr[x][i].v; if (vis[v]) continue;\nfa[v]=x; in[tr[x][i].id]=in[tr[x][i].id^]=;\ndfs(v); s[x]+=s[v]; sp[x]+=sp[v];\n}\n}\nint main(){\nfreopen(\"bzoj4541.in\",\"r\",stdin);\nfreopen(\"bzoj4541.out\",\"w\",stdout);\nscanf(\"%d%d%d\",&n,&m,&Q);\nrep(i,,n) scanf(\"%d%d\",&x,&y),p[i]=(P){x,y};\nrep(i,,n) sort(w[i].begin(),w[i].end());\nrep(i,,cnt){\nint ne=find(e[i].v,e[i^])-;\nif (ne==-) ne=w[e[i].v].size()-;\nnxt[i]=w[e[i].v][ne].id;\n}\nrep(i,,cnt) if (!bel[i]){\nbel[i]=bel[nxt[i]]=++tot;\nfor (int x=nxt[i]; e[x].v!=e[i].u; x=nxt[x],bel[x]=tot)\ns[tot]+=(p[e[x].u]-p[e[i].u])*(p[e[x].v]-p[e[i].u]);\nif (s[tot]<=) rt=tot;\n}\nrep(i,,cnt) tr[bel[i]].push_back(E(bel[i],bel[i^],i));\ndfs(rt);\nwhile (Q--){\nscanf(\"%d\",&d); d=(d+fz)%n+;\nrep(i,,d){\nif (!in[x]) continue;\nif (fa[bel[x]]==bel[x^]) fm+=s[bel[x]],fz+=sp[bel[x]];\nelse fm-=s[bel[x^]],fz-=sp[bel[x^]];\n}\nll d=gcd(fz,fm); fz/=d; fm/=d; printf(\"%lld %lld\\n\",fz,fm);\n}\nreturn ;\n}```\n\n## [BZOJ4541][HNOI2016] Mining area ( A planar graph is transformed into a dual graph ) More articles about\n\n1. BZOJ 4541: [Hnoi2016] Mining area A planar graph is transformed into a dual graph +DFS Trees\n\n4541: [Hnoi2016] Mining area Time Limit: 30 Sec  Memory Limit: 512 MBSubmit: 433  Solved: 182[Submit][Status][ ...\n\n2. BZOJ4541 [Hnoi2016] Mining area\n\nThe copyright of this article belongs to ljh2000 And blog park , Welcome to reprint , But keep this statement , And give a link to the original , Thank You for Your Cooperation . The author of this article :ljh2000 The author blog :http://www.cnblogs.com/ljh2000-jump/ ...\n\n3. BZOJ4541 HNOI2016 Mining area （ A planar graph is transformed into a dual graph ）\n\nConsider transforming a planar graph into a dual graph . In particular , Splitting an undirected edge into two directed edges . Every time you think about finding all the edges that surround a region . For the current consideration , Find the opposite edge of the edge in the out edge set of the end point of the edge , A successor in polar order , This trailing edge is also the edge that surrounds the region . this ...\n\n4. [HNOI2016] Mining area\n\n[HNOI2016] Mining area A planar graph is transformed into a dual graph Method : 1. Divided into positive and negative one-way sides , Each side belongs to a face 2. Each point is in polar order sort Out of the way 3. Enumerate each edge , It's on this side nxt It's the one in front of the opposite side ( So what you find is the edge of the face, counter clockwise ...\n\n5. LOJ#2052. 「HNOI2016」 Mining area （ A planar graph is transformed into a dual graph ）\n\nTopic Portal Answer key At last, I can turn a plane graph into a dual graph -- First, we split the undirected edge into two unidirectional edges , So each side belongs to a face . Then sort the edges starting from each point by polar angle , So for an edge \\((u,v)\\), We are at all with \\(v\\ ...\n\n6. bzoj 4541: [Hnoi2016] Mining area 【 A planar graph is transformed into a dual graph + Make trees 】\n\nFirst, a planar graph is transformed into a dual graph , The idea is that each side has its own pros and cons , The edges of each point are sorted by polar angle , Then find each edge, the next in polar order in the out edge of its point of arrival , So it must be the edge of the smallest polygon that this edge belongs to , And then according to next Edge to find all the polygons , With triangulation ...\n\n7. 【LG3249】[HNOI2016] Mining area\n\n[LG3249][HNOI2016] Mining area Topic Luogu Answer key Let's turn a planar graph into a dual graph , After building the dual graph, take out a spanning tree at will , Based on unbounded scope . It's easy to find the unbounded range , When we use the cross product to calculate the directed area , If it turns out to be negative, it means nothing ...\n\n8. 【BZOJ-2007】 At an altitude of Minimum cut （ A planar graph is transformed into a dual graph + shortest path ）\n\n2007: [Noi2010] At an altitude of Time Limit: 20 Sec  Memory Limit: 552 MBSubmit: 2095  Solved: 1002[Submit][Status] ...\n\n9. A planar graph is transformed into a dual graph (Bzoj1001： The wolf catches the rabbit )\n\nIf you only know how to do this problem with minimal cut, it's too spicy introduce From a senior plan : A graph whose edges do not intersect on a plane ( Edges can be drawn around ) Then the edges and edges of a planar graph form many regions ( It has to do with the way you draw ) Define dual graphs : Connect two adjacent areas to each other , shape ...\n\n## Random recommendation\n\n1. 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Considering that they appear on the power , So you can mold it P-1( Fermat's small Theorem ) however a or c be equal to 1 When , We can't use the sum formula of the equal ratio sequence , At this time we have to take n and m, It's going to be a mold again P ...\n\n8. complex sql Query statement\n\nViews are also called virtual tables 1. Save the actual data in the table , The view holds the SELECT sentence , A view is also a table , The difference is whether to save the actual data . 2. Using views, you can query data across multiple tables . You can use SELECT Statements are made into views ...\n\n9. pycharm import scrapy Report errors ,No module named &#39;scrapy&#39;\n\nLocal by downloading pip install scrapy After successful installation , stay pychram Inside import scrapy Report errors Later, I found a variety of solutions , reinstall wheel,twisted, Neither. , It turns out that it needs to be changed Pr ...\n\n10. java in garadle The project doesn't have src problem\n\nhttps://www.jb51.net/article/142791.htm I had a problem the other day , Is the use of ider establish gradle After the project ,src The directory is not automatically generated , Today I would like to share with you how to solve . ..."