結果
問題 | No.2536 同値性と充足可能性 |
ユーザー | akiaa11 |
提出日時 | 2023-11-15 17:57:11 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 73 ms / 2,000 ms |
コード長 | 4,503 bytes |
コンパイル時間 | 4,895 ms |
コンパイル使用メモリ | 269,892 KB |
実行使用メモリ | 14,512 KB |
最終ジャッジ日時 | 2024-09-26 04:41:42 |
合計ジャッジ時間 | 6,828 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 3 ms
5,248 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 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 3 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 4 ms
5,376 KB |
testcase_21 | AC | 5 ms
5,376 KB |
testcase_22 | AC | 5 ms
5,376 KB |
testcase_23 | AC | 35 ms
5,632 KB |
testcase_24 | AC | 33 ms
5,376 KB |
testcase_25 | AC | 73 ms
14,512 KB |
testcase_26 | AC | 69 ms
14,308 KB |
testcase_27 | AC | 71 ms
14,332 KB |
testcase_28 | AC | 64 ms
14,112 KB |
testcase_29 | AC | 67 ms
14,356 KB |
testcase_30 | AC | 62 ms
14,292 KB |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> #define SELECTER(_1,_2,_3,SELECT,...) SELECT #define rep1(i,n) for(int i=0;i<(int)n;++i) #define rep2(i,a,n) for(int i=(int)a;i<(int)n;++i) #define rep(...) SELECTER(__VA_ARGS__,rep2,rep1)(__VA_ARGS__) #define RSELECTER(_1, _2, _3, RSELECT, ...) RSELECT #define rrep1(i,n) for(int i=(int)n-1;i>=0;--i) #define rrep2(i,a,n) for(int i=(int)n-1;i>=(int)a;--i) #define rrep(...) RSELECTER(__VA_ARGS__, rrep2, rrep1)(__VA_ARGS__) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define fi first #define se second #define PrintR LogOutput #ifdef _DEBUG #define Log(...) LogOutput(__VA_ARGS__) #else #define Log(...) #endif using namespace std; using namespace atcoder; using ll=long long; using ld=long double; using pii=pair<int,int>; using pll=pair<long long,long long>; using pdd=pair<long double,long double>; using tp=tuple<int,int,int>; using tpll=tuple<ll,ll,ll>; using veci=vector<int>; using vecpii=vector<pair<int,int>>; using vecll=vector<long long>; using vecpll=vector<pair<long long,long long>>; using vecpdd=vector<pair<long double,long double>>; using vecs=vector<string>; using vecb=vector<bool>; using vecd=vector<long double>; using vectp=vector<tp>; using vectpll=vector<tpll>; using mint=modint998244353; using mint10=modint1000000007; template<typename T, typename S> istream& operator>>(istream& in, pair<T, S>& a){return in >> a.first >> a.second;} template<typename T, typename S> ostream& operator<<(ostream& out, const pair<T, S>& a){return out << a.first << ' ' << a.second;} ostream& operator<<(ostream& out, const mint& a){return out << a.val();} ostream& operator<<(ostream& out, const mint10& a){return out << a.val();} ostream& operator<<(ostream& out, const modint& a){return out << a.val();} template<typename T> ostream& operator<<(ostream& out, const vector<T>& d){for(int i = 0 ; i < d.size() ; ++i) out << d[i] << (i == d.size() - 1 ? "" : " "); return out;} template<typename T, typename S> pair<T, S> operator+(const pair<T, S>& a, const pair<T, S>& b){return {a.fi + b.fi, a.se + b.se};} template<typename T, typename S> pair<T, S> operator-(const pair<T, S>& a, const pair<T, S>& b){return {a.fi - b.fi, a.se - b.se};} template<class T> inline bool chmax(T& a,T b){if(a<b) {a=b;return true;} return false;} template<class T> inline bool chmin(T& a,T b){if(a>b) {a=b;return true;} return false;} bool Judge(int i, int j, int h, int w){return i < 0 || j < 0 || i >= h || j >= w;} bool PrintA(int i){cout<<(i ? "Yes" : "No")<<endl;return i;} constexpr ll INF=numeric_limits<ll>::max() / 4; constexpr int inf=numeric_limits<int>::max() / 2; constexpr ll MOD=998244353; const int vi[] = {0, 1, 0, -1}, vj[] = {1, 0, -1, 0}; template<typename... Args> void LogOutput(Args&&... args){ stringstream ss; ((ss << args << ' '), ...); cout << ss.str().substr(0, ss.str().length() - 1) << endl; } template<typename T> void LogOutput(vector<vector<T>>& data){for(auto d : data) LogOutput(d);} int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); int n, m;cin>>n>>m; vector<veci> g(n); vector<veci> g2(n); rep(i, m){ int a, b; string s;cin>>a>>s>>b; a--, b--; if(s == "<==>"){ g2[a].push_back(b); g2[b].push_back(a); }else{ g[a].push_back(b); g[b].push_back(a); } } queue<int> q; veci used(n, -1); veci used2(n, -1); veci b; auto f = [&q, &g, &g2, &b](veci& used, int i, int c = 1) -> int { q.push(i); if(c) b.push_back(i); while(q.size()){ int v = q.front(); q.pop(); for(int nv : g[v]){ if(used[nv] == -1){ used[nv] = used[v] ^ 1; if(c) b.push_back(nv); q.push(nv); }else if(used[nv] == used[v]){ while(q.size()) q.pop(); return 0; } } for(int nv : g2[v]){ if(used[nv] == -1){ used[nv] = used[v]; if(c) b.push_back(nv); q.push(nv); }else if(used[nv] != used[v]){ while(q.size()) q.pop(); return 0; } } } return 1; }; rep(i, n) if(used[i] == -1){ used[i] = 1; used2[i] = 0; int r = f(used, i); int r2 = f(used2, i, 0); if(r == 0 && r2 == 0){ cout<<"No"<<endl; return 0; }else if(r == 0){ rep(i, b.size()) used[b[i]] = used2[b[i]]; }else if(r2){ int cnt = 0, cnt2 = 0; rep(i, b.size()){ cnt += used[b[i]]; cnt2 += used2[b[i]]; } if(cnt < cnt2) rep(i, b.size()) used[b[i]] = used2[b[i]]; } b.clear(); } cout<<"Yes"<<endl; veci a; rep(i, n) if(used[i]) a.push_back(i + 1); cout<<a.size()<<endl; PrintR(a); }