結果
問題 | No.1293 2種類の道路 |
ユーザー | kiyoshi0205 |
提出日時 | 2020-11-20 21:58:06 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 55 ms / 2,000 ms |
コード長 | 6,374 bytes |
コンパイル時間 | 3,212 ms |
コンパイル使用メモリ | 199,480 KB |
実行使用メモリ | 14,932 KB |
最終ジャッジ日時 | 2024-07-23 12:57:49 |
合計ジャッジ時間 | 4,955 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,948 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 54 ms
9,256 KB |
testcase_10 | AC | 54 ms
9,116 KB |
testcase_11 | AC | 55 ms
9,252 KB |
testcase_12 | AC | 55 ms
9,244 KB |
testcase_13 | AC | 54 ms
9,248 KB |
testcase_14 | AC | 33 ms
9,368 KB |
testcase_15 | AC | 33 ms
9,512 KB |
testcase_16 | AC | 49 ms
10,632 KB |
testcase_17 | AC | 50 ms
10,508 KB |
testcase_18 | AC | 39 ms
11,964 KB |
testcase_19 | AC | 51 ms
14,932 KB |
testcase_20 | AC | 50 ms
14,932 KB |
testcase_21 | AC | 31 ms
6,944 KB |
testcase_22 | AC | 31 ms
6,944 KB |
testcase_23 | AC | 28 ms
6,940 KB |
ソースコード
#pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include<bits/stdc++.h> // #include<ext/pb_ds/assoc_container.hpp> // #include<ext/pb_ds/tree_policy.hpp> // #include<ext/pb_ds/tag_and_trait.hpp> // using namespace __gnu_pbds; // #include<boost/multiprecision/cpp_int.hpp> // namespace multiprecisioninteger = boost::multiprecision; // using cint=multiprecisioninteger::cpp_int; using namespace std; using ll=long long; #define double long double using datas=pair<ll,ll>; using ddatas=pair<double,double>; using tdata=pair<ll,datas>; using vec=vector<ll>; using mat=vector<vec>; using pvec=vector<datas>; using pmat=vector<pvec>; // using llset=tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>; #define For(i,a,b) for(i=a;i<(ll)b;++i) #define bFor(i,b,a) for(i=b,--i;i>=(ll)a;--i) #define rep(i,N) For(i,0,N) #define rep1(i,N) For(i,1,N) #define brep(i,N) bFor(i,N,0) #define brep1(i,N) bFor(i,N,1) #define all(v) (v).begin(),(v).end() #define allr(v) (v).rbegin(),(v).rend() #define vsort(v) sort(all(v)) #define vrsort(v) sort(allr(v)) #define uniq(v) (v).erase(unique(all(v)),(v).end()) #define endl "\n" #define eb emplace_back #define print(x) cout<<x<<endl #define printyes print("Yes") #define printno print("No") #define printYES print("YES") #define printNO print("NO") #define output(v) do{bool f=0;for(auto outi:v){cout<<(f?" ":"")<<outi;f=1;}cout<<endl;}while(0) #define matoutput(v) do{for(auto outimat:v)output(outimat);}while(0) const ll mod=1000000007; // const ll mod=998244353; const ll inf=1LL<<60; const double PI=acos(-1); const double eps=1e-9; template<class T,class E> ostream& operator<<(ostream& os,const pair<T,E>& p){return os<<"("<<p.first<<","<<p.second<<")";} template<class T> ostream& operator<<(ostream& os,const vector<T>& v){ os<<"{";ll i; rep(i,v.size()){ if(i)os<<","; os<<v[i]; } os<<"}"; return os; } template<class T> inline bool chmax(T& a,T b){bool x=a<b;if(x)a=b;return x;} template<class T> inline bool chmin(T& a,T b){bool x=a>b;if(x)a=b;return x;} #ifdef DEBUG void debugg(){cerr<<endl;} template<class T,class... Args>void debugg(const T& x,const Args&... args){cerr<<" "<<x;debugg(args...);} #define debug(...) cerr<<__LINE__<<" ["<<#__VA_ARGS__<<"]:",debugg(__VA_ARGS__) #else #define debug(...) (void(0)) #endif void startupcpp(){ cin.tie(0); ios::sync_with_stdio(false); cout<<fixed<<setprecision(15); } double distance(ddatas x,ddatas y){ double a=x.first-y.first,b=x.second-y.second; return sqrt(a*a+b*b); } ll modinv(ll a,ll m=mod) { ll b=m,u=1,v=0,t; while(b){ t=a/b; a-=t*b; swap(a,b); u-=t*v; swap(u,v); } return (u+m)%m; } ll moddevide(ll a,ll b){return (a*modinv(b))%mod;} vec modncrlistp,modncrlistm; ll modncr(ll n,ll r){ if(n<r)return 0; ll i,size=modncrlistp.size(); if(size<=n){ modncrlistp.resize(n+1); modncrlistm.resize(n+1); if(!size){ modncrlistp[0]=modncrlistm[0]=1; size++; } For(i,size,n+1){ modncrlistp[i]=modncrlistp[i-1]*i%mod; modncrlistm[i]=modinv(modncrlistp[i]); } } return modncrlistp[n]*modncrlistm[r]%mod*modncrlistm[n-r]%mod; } ll modpow(ll a,ll n,ll m=mod){ ll res=1; while(n>0){ if(n&1)res=res*a%m; a=a*a%m; n>>=1; } return res; } ll gcd(ll a,ll b){if(!b)return abs(a);return (a%b==0)?abs(b):gcd(b,a%b);} ll lcm(ll a,ll b){return a/gcd(a,b)*b;} ll countdigits(ll n){ ll ans=0; while(n){n/=10;ans++;} return ans; } ll sumdigits(ll n){ ll ans=0; while(n){ans+=n%10;n/=10;} return ans; } struct unionfind{ private: int maxN; vector<int> par,treesize; public:unionfind(int N) :maxN(N),par(N),treesize(N,1){ for(int i=0;i<maxN;++i)par[i]=i; } int root(int x){ while(par[x]!=x){ x=par[x]=par[par[x]]; } return x; } bool unite(int x,int y){ x=root(x); y=root(y); if(x==y)return false; if(treesize[x]>treesize[y])swap(x,y); par[x]=y; treesize[y]+=treesize[x]; return true; } bool unite(pair<int,int> v){ return unite(v.first,v.second); } bool parcheck(int x,int y){ return root(x)==root(y); } bool parcheck(pair<int,int> v){ return parcheck(v.first,v.second); } int size(int x){ return treesize[root(x)]; } void clear(){ treesize.assign(maxN,1); for(int i=0;i<maxN;++i)par[i]=i; } vector<vector<int>> groups(){ vector<vector<int>> res(maxN); for(int i=0;i<maxN;++i)res[root(i)].eb(i); // return res; vector<vector<int>> res2; for(vector<int> x:res){ if(x.size())res2.eb(x); } return res2; } }; struct undounionfind{ private: int maxN; vector<int> data; vector<pair<int,int>> rev; public:undounionfind(int N) :maxN(N),data(N,-1){} int root(int x){ while(data[x]>=0)x=data[x]; return x; } bool unite(int x,int y){ x=root(x); y=root(y); if(x==y)return false; if(data[x]>data[y])swap(x,y); rev.emplace_back(x,data[x]); rev.emplace_back(y,data[y]); data[x]+=data[y]; data[y]=x; return true; } bool unite(pair<int,int> v){ return unite(v.first,v.second); } bool parcheck(int x,int y){ return root(x)==root(y); } bool parcheck(pair<int,int> v){ return parcheck(v.first,v.second); } int size(int x){ return -data[root(x)]; } void undo(int time=1){ assert((time*=2)<=(int)rev.size()); while(time--){ data[rev.back().first]=rev.back().second; rev.pop_back(); } } void allundo(){ undo(rev.size()/2); } void snapshot(){ rev.clear(); } void clear(){ data.assign(maxN,1); } vector<vector<int>> groups(){ vector<vector<int>> res(maxN); for(int i=0;i<maxN;++i)res[root(i)].eb(i); // return res; vector<vector<int>> res2; for(vector<int> x:res){ if(x.size())res2.eb(x); } return res2; } }; ll N,M,K,H,W,A,B,C,D; string s,t; ll ans; int main(){ startupcpp(); ll i,j; cin>>N>>M>>K; unionfind dsu(N); while(M--){ cin>>i>>j; dsu.unite(--i,--j); } auto g=dsu.groups(); undounionfind sol(N); while(K--){ cin>>i>>j; sol.unite(--i,--j); } sol.snapshot(); for(auto v:g){ rep1(i,v.size()){ sol.unite(v[i],v[i-1]); } debug(sol.size(v[0]),v); ans+=v.size()*(sol.size(v[0])-1); sol.allundo(); } print(ans); }