結果
問題 | No.1293 2種類の道路 |
ユーザー | rniya |
提出日時 | 2020-11-20 22:09:45 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,756 bytes |
コンパイル時間 | 2,509 ms |
コンパイル使用メモリ | 213,380 KB |
実行使用メモリ | 14,724 KB |
最終ジャッジ日時 | 2024-07-23 13:06:42 |
合計ジャッジ時間 | 4,361 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | AC | 38 ms
14,576 KB |
testcase_20 | AC | 36 ms
14,608 KB |
testcase_21 | AC | 30 ms
6,944 KB |
testcase_22 | AC | 30 ms
6,944 KB |
testcase_23 | AC | 30 ms
6,944 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; const long long MOD=1000000007; // const long long MOD=998244353; #define LOCAL #pragma region Macros typedef long long ll; typedef __int128_t i128; typedef unsigned int uint; typedef unsigned long long ull; #define ALL(x) (x).begin(),(x).end() const int INF=1e9; const long long IINF=1e18; const int dx[4]={1,0,-1,0},dy[4]={0,1,0,-1}; const char dir[4]={'D','R','U','L'}; template<typename T> istream &operator>>(istream &is,vector<T> &v){ for (T &x:v) is >> x; return is; } template<typename T> ostream &operator<<(ostream &os,const vector<T> &v){ for (int i=0;i<v.size();++i){ os << v[i] << (i+1==v.size()?"": " "); } return os; } template<typename T,typename U> ostream &operator<<(ostream &os,const pair<T,U> &p){ os << '(' << p.first << ',' << p.second << ')'; return os; } template<typename T,typename U,typename V> ostream&operator<<(ostream &os,const tuple<T,U,V> &t){ os << '(' << get<0>(t) << ',' << get<1>(t) << ',' << get<2>(t) << ')'; return os; } template<typename T,typename U,typename V,typename W> ostream&operator<<(ostream &os,const tuple<T,U,V,W> &t){ os << '(' << get<0>(t) << ',' << get<1>(t) << ',' << get<2>(t) << ',' << get<3>(t) << ')'; return os; } template<typename T,typename U> ostream &operator<<(ostream &os,const map<T,U> &m){ os << '{'; for (auto itr=m.begin();itr!=m.end();){ os << '(' << itr->first << ',' << itr->second << ')'; if (++itr!=m.end()) os << ','; } os << '}'; return os; } template<typename T,typename U> ostream &operator<<(ostream &os,const unordered_map<T,U> &m){ os << '{'; for (auto itr=m.begin();itr!=m.end();){ os << '(' << itr->first << ',' << itr->second << ')'; if (++itr!=m.end()) os << ','; } os << '}'; return os; } template<typename T> ostream &operator<<(ostream &os,const set<T> &s){ os << '{'; for (auto itr=s.begin();itr!=s.end();){ os << *itr; if (++itr!=s.end()) os << ','; } os << '}'; return os; } template<typename T> ostream &operator<<(ostream &os,const multiset<T> &s){ os << '{'; for (auto itr=s.begin();itr!=s.end();){ os << *itr; if (++itr!=s.end()) os << ','; } os << '}'; return os; } template<typename T> ostream &operator<<(ostream &os,const unordered_set<T> &s){ os << '{'; for (auto itr=s.begin();itr!=s.end();){ os << *itr; if (++itr!=s.end()) os << ','; } os << '}'; return os; } template<typename T> ostream &operator<<(ostream &os,const deque<T> &v){ for (int i=0;i<v.size();++i){ os << v[i] << (i+1==v.size()?"": " "); } return os; } void debug_out(){cerr << '\n';} template<class Head,class... Tail> void debug_out(Head&& head,Tail&&... tail){ cerr << head; if (sizeof...(Tail)>0) cerr << ", "; debug_out(move(tail)...); } #ifdef LOCAL #define debug(...) cerr << " ";\ cerr << #__VA_ARGS__ << " :[" << __LINE__ << ":" << __FUNCTION__ << "]" << '\n';\ cerr << " ";\ debug_out(__VA_ARGS__) #else #define debug(...) 42 #endif template<typename T> T gcd(T x,T y){return y!=0?gcd(y,x%y):x;} template<typename T> T lcm(T x,T y){return x/gcd(x,y)*y;} template<class T1,class T2> inline bool chmin(T1 &a,T2 b){ if (a>b){a=b; return true;} return false; } template<class T1,class T2> inline bool chmax(T1 &a,T2 b){ if (a<b){a=b; return true;} return false; } #pragma endregion struct UnionFind{ int num; vector<int> par,rank; UnionFind(int n):num(n),par(n),rank(n,1){ iota(par.begin(),par.end(),0); } int root(int x){ return (par[x]==x?x:par[x]=root(par[x])); } bool merge(int x, int y){ x=root(x); y=root(y); if (x==y) return false; if (rank[x]<rank[y]) swap(x,y); par[y]=x; rank[x]+=rank[y]; --num; return true; } bool same(int x, int y){return root(x)==root(y);} int size(int x){return rank[root(x)];} int count(){return num;} }; int main(){ cin.tie(0); ios::sync_with_stdio(false); int N,D,W; cin >> N >> D >> W; UnionFind UF1(N),UF2(N); for (int i=0;i<D;++i){ int a,b; cin >> a >> b; UF1.merge(--a,--b); } for (int i=0;i<W;++i){ int c,d; cin >> c >> d; UF2.merge(--c,--d); } vector<set<int>> rs(N); vector<int> reach(N,0); for (int i=0;i<N;++i){ int r=UF1.root(i); if (rs[r].count(UF2.root(i))) continue; rs[r].emplace(UF2.root(i)); reach[r]+=UF2.size(i); } ll ans=0; for (int i=0;i<N;++i){ if (UF1.root(i)==i){ ans+=UF1.size(i)*(reach[i]-1); } } cout << ans << '\n'; }