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#include "Graph2/GraphTemplate.hpp"
#ifndef GRAPH_TEMPLATE_ #define GRAPH_TEMPLATE_ // graph template // ref : https://ei1333.github.io/library/graph/graph-template.hpp template<typename T=int> struct Edge{ int from,to; T w; int idx; Edge()=default; Edge(int from,int to,T w=1,int idx=-1):from(from),to(to),w(w),idx(idx){} operator int() const{return to;} }; template<typename T=int> struct Graph{ vector<vector<Edge<T>>> g; int V,E; Graph()=default; Graph(int n):g(n),V(n),E(0){} int size(){ return (int)g.size(); } void resize(int k){ g.resize(k); V=k; } inline const vector<Edge<T>> &operator[](int k)const{ return (g.at(k)); } inline vector<Edge<T>> &operator[](int k){ return (g.at(k)); } void add_directed_edge(int from,int to,T cost=1){ g[from].emplace_back(from,to,cost,E++); } void add_edge(int from,int to,T cost=1){ g[from].emplace_back(from,to,cost,E); g[to].emplace_back(to,from,cost,E++); } void read(int m,int pad=-1,bool weighted=false,bool directed=false){ for(int i=0;i<m;i++){ int u,v;cin>>u>>v; u+=pad,v+=pad; T w=T(1); if(weighted) cin>>w; if(directed) add_directed_edge(u,v,w); else add_edge(u,v,w); } } }; #endif /* GRAPH_TEMPLATE_ */
#line 1 "Graph2/GraphTemplate.hpp" // graph template // ref : https://ei1333.github.io/library/graph/graph-template.hpp template<typename T=int> struct Edge{ int from,to; T w; int idx; Edge()=default; Edge(int from,int to,T w=1,int idx=-1):from(from),to(to),w(w),idx(idx){} operator int() const{return to;} }; template<typename T=int> struct Graph{ vector<vector<Edge<T>>> g; int V,E; Graph()=default; Graph(int n):g(n),V(n),E(0){} int size(){ return (int)g.size(); } void resize(int k){ g.resize(k); V=k; } inline const vector<Edge<T>> &operator[](int k)const{ return (g.at(k)); } inline vector<Edge<T>> &operator[](int k){ return (g.at(k)); } void add_directed_edge(int from,int to,T cost=1){ g[from].emplace_back(from,to,cost,E++); } void add_edge(int from,int to,T cost=1){ g[from].emplace_back(from,to,cost,E); g[to].emplace_back(to,from,cost,E++); } void read(int m,int pad=-1,bool weighted=false,bool directed=false){ for(int i=0;i<m;i++){ int u,v;cin>>u>>v; u+=pad,v+=pad; T w=T(1); if(weighted) cin>>w; if(directed) add_directed_edge(u,v,w); else add_edge(u,v,w); } } };