結果

問題 No.2319 Friends+
ユーザー PCTprobabilityPCTprobability
提出日時 2023-05-26 21:56:00
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 1,571 ms / 3,000 ms
コード長 6,820 bytes
コンパイル時間 5,004 ms
コンパイル使用メモリ 281,460 KB
実行使用メモリ 189,696 KB
最終ジャッジ日時 2024-06-07 06:41:10
合計ジャッジ時間 34,862 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge4
このコードへのチャレンジ
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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
6,812 KB
testcase_01 AC 2 ms
6,816 KB
testcase_02 AC 292 ms
32,640 KB
testcase_03 AC 292 ms
32,512 KB
testcase_04 AC 286 ms
32,512 KB
testcase_05 AC 296 ms
32,640 KB
testcase_06 AC 294 ms
32,640 KB
testcase_07 AC 760 ms
54,400 KB
testcase_08 AC 763 ms
54,400 KB
testcase_09 AC 754 ms
54,400 KB
testcase_10 AC 763 ms
54,400 KB
testcase_11 AC 741 ms
54,400 KB
testcase_12 AC 3 ms
6,944 KB
testcase_13 AC 3 ms
6,940 KB
testcase_14 AC 3 ms
6,940 KB
testcase_15 AC 4 ms
6,944 KB
testcase_16 AC 3 ms
6,940 KB
testcase_17 AC 2 ms
6,940 KB
testcase_18 AC 487 ms
29,184 KB
testcase_19 AC 592 ms
44,416 KB
testcase_20 AC 1,037 ms
41,984 KB
testcase_21 AC 684 ms
40,192 KB
testcase_22 AC 1,571 ms
43,264 KB
testcase_23 AC 561 ms
44,800 KB
testcase_24 AC 561 ms
45,440 KB
testcase_25 AC 574 ms
45,568 KB
testcase_26 AC 555 ms
45,824 KB
testcase_27 AC 539 ms
45,824 KB
testcase_28 AC 555 ms
46,080 KB
testcase_29 AC 555 ms
45,568 KB
testcase_30 AC 1,462 ms
42,496 KB
testcase_31 AC 991 ms
41,088 KB
testcase_32 AC 685 ms
39,168 KB
testcase_33 AC 591 ms
35,200 KB
testcase_34 AC 541 ms
32,000 KB
testcase_35 AC 521 ms
30,464 KB
testcase_36 AC 828 ms
189,696 KB
testcase_37 AC 268 ms
27,904 KB
testcase_38 AC 569 ms
45,312 KB
testcase_39 AC 584 ms
45,440 KB
testcase_40 AC 607 ms
45,312 KB
testcase_41 AC 654 ms
45,440 KB
testcase_42 AC 738 ms
45,312 KB
testcase_43 AC 886 ms
45,440 KB
testcase_44 AC 1,231 ms
44,288 KB
testcase_45 AC 396 ms
37,248 KB
testcase_46 AC 296 ms
28,288 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp:37:16: warning: overflow in conversion from 'long long int' to 'll' {aka 'int'} changes value from '4100000000000000000' to '-82182144' [-Woverflow]
   37 | const ll inf = 4100000000000000000ll;
      |                ^~~~~~~~~~~~~~~~~~~~~

ソースコード

diff # 

#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 rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define ALL(x) begin(x), end(x)
#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 FOR_(n) for (ll _ = 0; (_) < (ll)(n); ++(_))
#define FOR(i, n) for (ll i = 0; (i) < (ll)(n); ++(i))
#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
//const ll mod = 1000000009;
const ll mod = 998244353;
//const ll mod = 1000000007;
const ll inf = 4100000000000000000ll;
const ld eps = ld(0.00000000001);
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; }
#define FOR_R(i, n) for (ll i = (ll)(n)-1; (i) >= 0; --(i))
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});}
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(15);
}
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)];
  }
};
using mint = modint998244353;
int main() {
  cincout();
  ll n,m;
  cin>>n>>m;
  vector<ll> p(n);
  vcin(p);
  for(auto &e:p) e--;
  vector<vector<ll>> g(n);
  vector<set<int>> s(n);
  for(int i=0;i<n;i++) s[i].insert(1000000);
  for(int i=0;i<m;i++){
    ll a,b;
    cin>>a>>b;
    a--;
    b--;
    g[a].pb(b);
    g[b].pb(a);
    s[a].insert(b);
    s[b].insert(a);
  }
  vector<unordered_map<ll,ll>> cnt(n);
  ll v=140;
  chmin(v,n);
  vector<ll> id;
  for(int i=0;i<n;i++){
    if(g[i].size()<=v){
      for(auto e:g[i]) cnt[p[i]][e]++;
    }
    else{
      id.pb(i);
    }
  }
  ll q;
  cin>>q;
  for(int i=0;i<q;i++){
    ll a,b;
    cin>>a>>b;
    a--;
    b--;
    if(p[a]==p[b]){
      cout<<"No"<<endl;
      continue;
    }
    if(cnt[p[b]][a]){
      cout<<"Yes"<<endl;
      if(g[a].size()<=v){
        for(auto e:g[a]) cnt[p[a]][e]--;
      }
      p[a]=p[b];
      if(g[a].size()<=v){
        for(auto e:g[a]) cnt[p[a]][e]++;
      }
      continue;
    }
    bool ok=false;
    for(auto e:id){
      if(p[e]==p[b]){
        if((s[e].find(a))!=s[e].end()){
          if(g[a].size()<=v){
            for(auto e:g[a]) cnt[p[a]][e]--;
          }
          p[a]=p[b];
          if(g[a].size()<=v){
            for(auto e:g[a]) cnt[p[a]][e]++;
          }
          ok=true;
          break;
        }
      }
    }
    if(ok){
      cout<<"Yes"<<endl;
      continue;
    }
    cout<<"No"<<endl;
  }
}
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