結果
問題 | No.1744 Selfish Spies 1 (à la Princess' Perfectionism) |
ユーザー | PCTprobability |
提出日時 | 2021-11-14 21:41:35 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 6,320 bytes |
コンパイル時間 | 5,307 ms |
コンパイル使用メモリ | 290,588 KB |
実行使用メモリ | 14,032 KB |
最終ジャッジ日時 | 2024-11-30 06:54:08 |
合計ジャッジ時間 | 33,511 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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
6,816 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,820 KB |
testcase_03 | AC | 1 ms
6,820 KB |
testcase_04 | AC | 2 ms
6,816 KB |
testcase_05 | AC | 2 ms
6,816 KB |
testcase_06 | AC | 2 ms
6,820 KB |
testcase_07 | AC | 2 ms
6,816 KB |
testcase_08 | AC | 2 ms
6,816 KB |
testcase_09 | AC | 2 ms
6,816 KB |
testcase_10 | AC | 2 ms
6,816 KB |
testcase_11 | AC | 3 ms
6,820 KB |
testcase_12 | AC | 5 ms
6,816 KB |
testcase_13 | AC | 4 ms
6,816 KB |
testcase_14 | AC | 22 ms
6,820 KB |
testcase_15 | AC | 16 ms
6,816 KB |
testcase_16 | AC | 34 ms
6,820 KB |
testcase_17 | AC | 138 ms
6,820 KB |
testcase_18 | AC | 125 ms
6,816 KB |
testcase_19 | AC | 2 ms
6,820 KB |
testcase_20 | AC | 2 ms
6,816 KB |
testcase_21 | AC | 4 ms
6,816 KB |
testcase_22 | AC | 4 ms
6,820 KB |
testcase_23 | AC | 4 ms
6,816 KB |
testcase_24 | AC | 260 ms
6,816 KB |
testcase_25 | AC | 24 ms
6,820 KB |
testcase_26 | AC | 45 ms
6,820 KB |
testcase_27 | AC | 276 ms
6,816 KB |
testcase_28 | AC | 2,528 ms
13,812 KB |
testcase_29 | AC | 266 ms
6,816 KB |
testcase_30 | AC | 242 ms
6,820 KB |
testcase_31 | AC | 308 ms
6,816 KB |
testcase_32 | AC | 300 ms
6,816 KB |
testcase_33 | AC | 2,179 ms
13,856 KB |
testcase_34 | AC | 1,731 ms
14,032 KB |
testcase_35 | TLE | - |
testcase_36 | TLE | - |
testcase_37 | AC | 4,475 ms
13,932 KB |
testcase_38 | AC | 3,292 ms
14,008 KB |
コンパイルメッセージ
main.cpp:39:16: warning: overflow in conversion from 'long long int' to 'll' {aka 'int'} changes value from '4100000000000000000' to '-82182144' [-Woverflow] 39 | const ll inf = 4100000000000000000ll; | ^~~~~~~~~~~~~~~~~~~~~
ソースコード
#include <bits/stdc++.h> using namespace std; #if __has_include(<atcoder/all>) #include <atcoder/all> using namespace atcoder; #endif using ll = int; using ld = long double; using ull = unsigned long long; #define endl "\n" typedef pair<int, int> Pii; #define REP(i, n) for (int i = 0; i < (n); ++i) #define REP3(i, m, n) for (int i = (m); (i) < int(n); ++ (i)) #define FOR(i,a,b) for(ll i=a;i<=(ll)(b);i++) #define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define ALL(x) begin(x), end(x) #define PB push_back #define rrep(i,a,b) for(int i=a;i>=b;i--) #define fore(i,a) for(auto &i:a) #define all(s) (s).begin(),(s).end() #define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i) #define drep(i, n) drep2(i, n, 0) #define rever(vec) reverse(vec.begin(), vec.end()) #define sor(vec) sort(vec.begin(), vec.end()) #define fi first #define se second #define pb push_back #define P pair<ll,ll> #define PQminll priority_queue<ll, vector<ll>, greater<ll>> #define PQmaxll priority_queue<ll,vector<ll>,less<ll>> #define PQminP priority_queue<P, vector<P>, greater<P>> #define PQmaxP priority_queue<P,vector<P>,less<P>> #define NP next_permutation typedef string::const_iterator State; class ParseError {}; //const ll mod = 1000000009; //const ll mod = 998244353; const ll mod = 1000000007; const ll inf = 4100000000000000000ll; const ld eps = ld(0.00000000000001); //static const long double pi = 3.141592653589793; template<class T>void vcin(vector<T> &n){for(int i=0;i<int(n.size());i++) cin>>n[i];} template<class T,class K>void vcin(vector<T> &n,vector<K> &m){for(int i=0;i<int(n.size());i++) cin>>n[i]>>m[i];} template<class T>void vcout(vector<T> &n){for(int i=0;i<int(n.size());i++){cout<<n[i]<<" ";}cout<<endl;} template<class T>void vcin(vector<vector<T>> &n){for(int i=0;i<int(n.size());i++){for(int j=0;j<int(n[i].size());j++){cin>>n[i][j];}}} template<class T>void vcout(vector<vector<T>> &n){for(int i=0;i<int(n.size());i++){for(int j=0;j<int(n[i].size());j++){cout<<n[i][j]<<" ";}cout<<endl;}cout<<endl;} void yes(bool a){cout<<(a?"yes":"no")<<endl;} void YES(bool a){cout<<(a?"YES":"NO")<<endl;} void Yes(bool a){cout<<(a?"Yes":"No")<<endl;} void possible(bool a){ cout<<(a?"possible":"impossible")<<endl; } void Possible(bool a){ cout<<(a?"Possible":"Impossible")<<endl; } void POSSIBLE(bool a){ cout<<(a?"POSSIBLE":"IMPOSSIBLE")<<endl; } template<class T>void print(T a){cout<<a<<endl;} template<class T>auto min(const T& a){ return *min_element(all(a)); } template<class T>auto max(const T& a){ return *max_element(all(a)); } template<class T,class F>void print(pair<T,F> a){cout<<a.fi<<" "<<a.se<<endl;} template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0;} template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0;} template<class T> void ifmin(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}} template<class T> void ifmax(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}} ll fastgcd(ll u,ll v){ll shl=0;while(u&&v&&u!=v){bool eu=!(u&1);bool ev=!(v&1);if(eu&&ev){++shl;u>>=1;v>>=1;}else if(eu&&!ev){u>>=1;}else if(!eu&&ev){v>>=1;}else if(u>=v){u=(u-v)>>1;}else{ll tmp=u;u=(v-u)>>1;v=tmp;}}return !u?v<<shl:u<<shl;} ll modPow(ll a, ll n, ll mod) { if(mod==1) return 0;ll ret = 1; ll p = a % mod; while (n) { if (n & 1) ret = ret * p % mod; p = p * p % mod; n >>= 1; } return ret; } vector<ll> divisor(ll x){ vector<ll> ans; for(ll i = 1; i * i <= x; i++){ if(x % i == 0) {ans.push_back(i); if(i*i!=x){ ans.push_back(x / ans[i]);}}}sor(ans); return ans; } ll pop(ll x){return __builtin_popcountll(x);} ll poplong(ll x){ll y=-1;while(x){x/=2;y++;}return y;} P hyou(P a){ll x=fastgcd(abs(a.fi),abs(a.se));a.fi/=x;a.se/=x;if(a.se<0){a.fi*=-1;a.se*=-1;}return a;} P Pplus(P a,P b){ return hyou({a.fi*b.se+b.fi*a.se,a.se*b.se});} P Ptimes(P a,ll b){ return hyou({a.fi*b,a.se});} P Ptimes(P a,P b){ return hyou({a.fi*b.fi,a.se*b.se});} P Pminus(P a,P b){ return hyou({a.fi*b.se-b.fi*a.se,a.se*b.se});} P Pgyaku(P a){ return hyou({a.se,a.fi});} void cincout(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); cout<< fixed << setprecision(10); } struct HopcroftKarp { vector< vector< int > > graph; vector< int > dist, match; vector< bool > used, vv; HopcroftKarp(int n, int m) : graph(n), match(m, -1), used(n) {} void add_edge(int u, int v) { graph[u].push_back(v); } void bfs() { dist.assign(graph.size(), -1); queue< int > que; for(int i = 0; i < graph.size(); i++) { if(!used[i]) { que.emplace(i); dist[i] = 0; } } while(!que.empty()) { int a = que.front(); que.pop(); for(auto &b : graph[a]) { int c = match[b]; if(c >= 0 && dist[c] == -1) { dist[c] = dist[a] + 1; que.emplace(c); } } } } bool dfs(int a) { vv[a] = true; for(auto &b : graph[a]) { int c = match[b]; if(c < 0 || (!vv[c] && dist[c] == dist[a] + 1 && dfs(c))) { match[b] = a; used[a] = true; return (true); } } return (false); } int bipartite_matching() { int ret = 0; while(true) { bfs(); vv.assign(graph.size(), false); int flow = 0; for(int i = 0; i < graph.size(); i++) { if(!used[i] && dfs(i)) ++flow; } if(flow == 0) return (ret); ret += flow; } } void output() { for(int i = 0; i < match.size(); i++) { if(~match[i]) { cout << match[i] << "-" << i << endl; } } } }; int main() { cincout(); ll n,m,l; cin>>n>>m>>l; vector<ll> a(l),b(l); ll x=0,y=0; for(int i=0;i<l;i++){ cin>>a[i]>>b[i]; a[i]--; b[i]--; } vector<bool> ans(l,false); mcf_graph<ll,ll> g(2+n+m); ll s=n+m,t=n+m+1; for(int i=0;i<l;i++){ g.add_edge(a[i],n+b[i],1,0); } for(int i=0;i<n;i++) g.add_edge(s,i,1,0); for(int i=0;i<m;i++) g.add_edge(n+i,t,1,0); auto h=g.flow(s,t); auto u=g.edges(); ll c=0; for(int i=0;i<l;i++){ if(u[i].flow==0) ans[i]=true; else c++; } for(int i=0;i<l;i++){ if(ans[i]==false){ HopcroftKarp g2(n,m); for(int j=0;j<l;j++){ if(i==j) continue; g2.add_edge(a[j],b[j]); } if(g2.bipartite_matching()==c) ans[i]=true; } } for(auto e:ans) Yes(e); }