結果
問題 | No.1605 Matrix Shape |
ユーザー | PCTprobability |
提出日時 | 2021-07-16 21:48:42 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,217 bytes |
コンパイル時間 | 5,607 ms |
コンパイル使用メモリ | 305,380 KB |
実行使用メモリ | 16,576 KB |
最終ジャッジ日時 | 2024-07-06 08:51:14 |
合計ジャッジ時間 | 7,672 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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 | 5 ms
8,064 KB |
testcase_01 | WA | - |
testcase_02 | AC | 5 ms
7,936 KB |
testcase_03 | WA | - |
testcase_04 | AC | 7 ms
12,616 KB |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | AC | 4 ms
7,936 KB |
testcase_08 | WA | - |
testcase_09 | AC | 4 ms
7,908 KB |
testcase_10 | AC | 5 ms
7,936 KB |
testcase_11 | AC | 4 ms
7,948 KB |
testcase_12 | WA | - |
testcase_13 | AC | 5 ms
7,980 KB |
testcase_14 | AC | 5 ms
7,936 KB |
testcase_15 | AC | 4 ms
8,052 KB |
testcase_16 | AC | 5 ms
7,936 KB |
testcase_17 | AC | 3 ms
8,064 KB |
testcase_18 | AC | 4 ms
7,936 KB |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | AC | 40 ms
12,220 KB |
testcase_22 | AC | 55 ms
16,576 KB |
testcase_23 | WA | - |
testcase_24 | AC | 48 ms
13,376 KB |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | AC | 34 ms
12,220 KB |
testcase_28 | AC | 35 ms
15,844 KB |
testcase_29 | AC | 31 ms
12,224 KB |
testcase_30 | WA | - |
testcase_31 | AC | 38 ms
13,116 KB |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | AC | 38 ms
12,476 KB |
testcase_36 | AC | 23 ms
10,168 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #pragma GCC optimize("Ofast") #include <bits/stdc++.h> #include <unistd.h> using namespace std; #if __has_include(<atcoder/all>) #include <atcoder/all> using namespace atcoder; #endif using ll = long long; using ld = long double; using ull = long long; #define endl "\n" #define REP3(i, m, n) for (int i = (m); (i) < int(n); ++ (i)) #define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define ALL(x) begin(x), end(x) #define all(s) (s).begin(),(s).end() //#define rep2(i, m, n) for (int i = (m); i < (n); ++i) //#define rep(i, n) rep2(i, 0, n) #define PB push_back #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 FOR(i,a,b) for(ll i=a;i<=(ll)(b);i++) #define fi first #define se second #define pb push_back #define P pair<ll,ll> #define NP next_permutation //const ll mod = 998244353; const ll mod = 1000000007; const ll inf = 4500000000000000000ll; 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>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;}} template<typename T,typename ...Args>auto make_vector(T x,int arg,Args ...args){if constexpr(sizeof...(args)==0)return vector<T>(arg,x);else return vector(arg,make_vector<T>(x,args...));} 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; } template<class T> struct Sum{ vector<T> data; Sum(const vector<T>& v):data(v.size()+1){ for(ll i=0;i<v.size();i++) data[i+1]=data[i]+v[i]; } T get(ll l,ll r) const { return data[r]-data[l]; } }; template<class T> struct Sum2{ vector<vector<T>> data; Sum2(const vector<vector<T>> &v):data(v.size()+1,vector<T>(v[0].size()+1)){ for(int i=0;i<v.size();i++) for(int j=0;j<v[i].size();j++) data[i+1][j+1]=data[i][j+1]+v[i][j]; for(int i=0;i<v.size();i++) for(int j=0;j<v[i].size();j++) data[i+1][j+1]+=data[i+1][j]; } T get(ll x1,ll y1,ll x2,ll y2) const { return data[x2][y2]+data[x1][y1]-data[x1][y2]-data[x2][y1]; } }; void cincout(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); cout<< fixed << setprecision(20); } class UnionFind{ public: vector<ll> par; vector<ll> siz; UnionFind(ll sz_):par(sz_),siz(sz_,1ll){ for(int i=0;i<sz_;i++) par[i]=i; } void init(ll sz_){ par.resize(sz_); siz.assign(sz_,1ll); for(int i=0;i<sz_;i++) par[i]=i; } ll root(ll x){ while(par[x]!=x){ x=par[x]=par[par[x]]; } return x; } bool merge(ll x,ll y){ x=root(x); y=root(y); if(x==y) return false; if(siz[x]<siz[y]) swap(x,y); siz[x]+=siz[y]; par[y]=x; return true; } bool issame(ll x,ll y){ return root(x)==root(y); } ll size(ll x){ return siz[root(x)]; } }; int main() { cincout(); ll a; cin>>a; vector<ll> x(300000),y(300000); vector<P> r; while(a--){ ll p,q; cin>>p>>q; x[p]++; y[q]++; r.pb({p,q}); } ll t=0; ll u=0; for(int i=0;i<300000;i++){ if(abs(x[i]-y[i])>=2){ cout<<0<<endl; return 0; } if(x[i]!=y[i]) t++; if(x[i]) u++; } if(t==0){ UnionFind T(300000); for(auto e:r) T.merge(e.fi,e.se); for(int i=0;i<300000;i++){ if(x[i]){ if(T.size(i)!=u){ cout<<0<<endl; return 0; } } } cout<<0<<endl; } else if(t==2){ cout<<1<<endl; } else{ cout<<0<<endl; } }