結果
問題 | No.1983 [Cherry 4th Tune C] 南の島のマーメイド |
ユーザー | mikam |
提出日時 | 2022-08-28 21:53:38 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 497 ms / 4,000 ms |
コード長 | 4,215 bytes |
コンパイル時間 | 4,871 ms |
コンパイル使用メモリ | 270,604 KB |
実行使用メモリ | 47,460 KB |
最終ジャッジ日時 | 2024-10-15 18:51:08 |
合計ジャッジ時間 | 21,277 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 | 3 ms
5,248 KB |
testcase_02 | AC | 3 ms
5,248 KB |
testcase_03 | AC | 3 ms
5,248 KB |
testcase_04 | AC | 3 ms
5,248 KB |
testcase_05 | AC | 3 ms
5,248 KB |
testcase_06 | AC | 3 ms
5,248 KB |
testcase_07 | AC | 3 ms
5,248 KB |
testcase_08 | AC | 14 ms
5,248 KB |
testcase_09 | AC | 18 ms
5,248 KB |
testcase_10 | AC | 19 ms
5,248 KB |
testcase_11 | AC | 21 ms
5,248 KB |
testcase_12 | AC | 24 ms
5,248 KB |
testcase_13 | AC | 298 ms
14,688 KB |
testcase_14 | AC | 346 ms
17,772 KB |
testcase_15 | AC | 353 ms
19,296 KB |
testcase_16 | AC | 214 ms
13,824 KB |
testcase_17 | AC | 336 ms
19,048 KB |
testcase_18 | AC | 267 ms
19,392 KB |
testcase_19 | AC | 311 ms
25,364 KB |
testcase_20 | AC | 290 ms
18,368 KB |
testcase_21 | AC | 308 ms
20,372 KB |
testcase_22 | AC | 346 ms
23,944 KB |
testcase_23 | AC | 486 ms
28,292 KB |
testcase_24 | AC | 485 ms
28,388 KB |
testcase_25 | AC | 487 ms
28,324 KB |
testcase_26 | AC | 486 ms
28,408 KB |
testcase_27 | AC | 497 ms
28,284 KB |
testcase_28 | AC | 483 ms
28,388 KB |
testcase_29 | AC | 490 ms
28,436 KB |
testcase_30 | AC | 483 ms
28,272 KB |
testcase_31 | AC | 490 ms
28,392 KB |
testcase_32 | AC | 490 ms
28,384 KB |
testcase_33 | AC | 2 ms
5,248 KB |
testcase_34 | AC | 312 ms
13,440 KB |
testcase_35 | AC | 381 ms
41,472 KB |
testcase_36 | AC | 365 ms
19,712 KB |
testcase_37 | AC | 2 ms
5,248 KB |
testcase_38 | AC | 293 ms
5,248 KB |
testcase_39 | AC | 394 ms
47,460 KB |
testcase_40 | AC | 366 ms
24,596 KB |
ソースコード
#include <atcoder/all> using namespace atcoder; #include <bits/stdc++.h> using namespace std; // #include <boost/multiprecision/cpp_int.hpp> #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep2(i,a,b) for (int i = (int)(a); i <= (int)(b); i++) #define all(v) v.begin(),v.end() #define inc(x,l,r) ((l)<=(x)&&(x)<(r)) #define Unique(x) sort(all(x)), x.erase(unique(all(x)), x.end()) typedef long long ll; #define int ll using ld = long double; using vi = vector<int>; using vs = vector<string>; using P = pair<int,int>; using vp = vector<P>; // using Bint = boost::multiprecision::cpp_int; template<typename T> using priority_queue_greater = priority_queue<T, vector<T>, greater<T>>; template<typename T> ostream &operator<<(ostream &os,const vector<T> &v){rep(i,v.size())os<<v[i]<<(i+1!=v.size()?" ":"");return os;} template<typename T> istream &operator>>(istream& is,vector<T> &v){for(T &in:v)is>>in;return is;} template<class... T> void _IN(T&... a){(cin>> ... >> a);} template<class T> void _OUT(T& a){cout <<a<< '\n';} template<class T,class... Ts> void _OUT(const T&a, const Ts&... b){cout<< a;(cout<<...<<(cout<<' ',b));cout<<'\n';} #define INT(...) int __VA_ARGS__; _IN(__VA_ARGS__) #define STR(...) string __VA_ARGS__; _IN(__VA_ARGS__) #define pcnt __builtin_popcountll int ceil(int x,int y){return x/y+!!(x%y);} int abs(int x,int y){return abs(x-y);} bool ins(string s,string t){return s.find(t)!=string::npos;} P operator+ (const P &p, const P &q){ return P{p.first+q.first,p.second+q.second};} P operator- (const P &p, const P &q){ return P{p.first-q.first,p.second-q.second};} template<typename T1,typename T2> ostream &operator<< (ostream &os, const pair<T1,T2> &p){os << p.first <<" "<<p.second;return os;} ostream &operator<< (ostream &os, const modint1000000007 &m){os << m.val();return os;} istream &operator>> (istream &is, modint1000000007 &m){ll in;is>>in;m=in;return is;} ostream &operator<< (ostream &os, const modint998244353 &m){os << m.val();return os;} istream &operator>> (istream &is, modint998244353 &m){ll in;is>>in;m=in;return is;} template<typename T1,typename T2> bool chmax(T1 &a, const T2 b) {if (a < b) {a = b; return true;} else return false; } template<typename T1,typename T2> bool chmin(T1 &a, const T2 b) {if (a > b) {a = b; return true;} else return false; } void yesno(bool ok,string y="Yes",string n="No"){ cout<<(ok?y:n)<<endl;} int di[]={-1,0,1,0,-1,-1,1,1}; int dj[]={0,1,0,-1,-1,1,-1,1}; const int INF = 8e18; //using mint = modint1000000007; //using mint = modint998244353; template< typename G > struct LowLink { const G &g; vector< int > used, ord, low; vector< int > articulation;//切断点 vector< pair< int, int > > bridge;//橋 LowLink(const G &g) : g(g) {} int dfs(int idx, int k, int par) { used[idx] = true; ord[idx] = k++; low[idx] = ord[idx]; bool is_articulation = false; int cnt = 0; for(auto &to : g[idx]) { if(!used[to]) { ++cnt; k = dfs(to, k, idx); low[idx] = min(low[idx], low[to]); is_articulation |= ~par && low[to] >= ord[idx]; if(ord[idx] < low[to]) bridge.emplace_back(minmax(idx, (int) to)); } else if(to != par) { low[idx] = min(low[idx], ord[to]); } } is_articulation |= par == -1 && cnt > 1; if(is_articulation) articulation.push_back(idx); return k; } virtual void build() { used.assign(g.size(), 0); ord.assign(g.size(), 0); low.assign(g.size(), 0); int k = 0; for(int i = 0; i < g.size(); i++) { if(!used[i]) k = dfs(i, k, -1); } } }; signed main() { cin.tie(0); ios_base::sync_with_stdio(false); cout << fixed << setprecision(20); INT(n,m,q); vector<vi> G(n); rep(i,m){ INT(u,v); --u;--v; G[u].push_back(v); G[v].push_back(u); } LowLink<vector<vi>> L(G); L.build(); dsu uf(n); for(auto &[u,v]:L.bridge)uf.merge(u,v); while(q--){ INT(x,y); --x;--y; yesno(uf.same(x,y)); } return 0; }