#include #include // url #define rep(i,a,b) for(int i=a;i=a;i--) #define all(x) (x).begin(),(x).end() #define pb(x) push_back(x); templatebool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (b; const ll mod=998244353; // using mint = static_modint<1000000007>; //const ll mod=1e9+7; int dx[4]={1,0,-1,0}; int dy[4]={0,1,0,-1}; const string zton="0123456789"; const string atoz="abcdefghijklmnopqrstuvwxyz"; const string ATOZ="ABCDEFGHIJKLMNOPQRSTUVWXYZ"; const ll inf=(1ll<<60); // const int inf=(1<<30); lld dist(lld x1,lld x2,lld y1,lld y2){ lld res=(x1-x2)*(x1-x2)+(y1-y2)*(y1-y2); res=sqrt(abs(res)); return res; } lld arg(lld x,lld y){ const lld eps=1e-8; lld res=0; if(abs(x)+abs(y)<=eps)return 0.0; else if(abs(x)<=eps){ if(y>=0.0)return (M_PI/2); else return (M_PI/2+M_PI); } else if(abs(y)<=eps){ if(x>=0.0)return 0.0; else return M_PI; } res=atan2(abs(y),abs(x)); if(x<=0&&y>=0)res=(M_PI-res); else if(x<=0&&y<=0)res+=(M_PI); else if(x>=0&&y<=0)res=(M_PI*2-res); return res; } ll gcd(ll a,ll b){ if(a==0||b==0)return a+b; ll r; r=a%b; if(r==0){ return b; } else{ return gcd(b,r); } } typedef pair P; int main(void){ ios::sync_with_stdio(false); cin.tie(nullptr); int N,M;cin >> N >> M; int p[N]; rep(i,0,N){ cin >> p[i]; p[i]--; } vector G[N]; rep(i,0,M){ int a,b;cin >> a >> b;a--;b--; G[a].pb(b); G[b].pb(a); } int color[N]; int n=0; vector red; int inv_red[N]; rep(i,0,N){ if(G[i].size()>=140){ color[i]=1; inv_red[i]=n; red.pb(i); n++; } else{ color[i]=0; } } int cnt[n][N]; rep(i,0,n){ rep(j,0,N){ cnt[i][j]=0; } for(int j:G[red[i]]){ cnt[i][p[j]]++; } } vector G2[N]; rep(i,0,N){ for(int j:G[i]){ if(color[j]){ G2[i].pb(j); } } } vector ans; int Q;cin >> Q; rep(_,0,Q){ int x,y;cin >> x >> y; x--;y--; if(p[x]==p[y]){ ans.pb(false); continue; } if(color[x]==1){ if(cnt[inv_red[x]][p[y]]>0){ for(int i:G2[x]){ cnt[inv_red[x]][p[i]]--; cnt[inv_red[i]][p[x]]--; } ans.pb(true); p[x]=p[y]; for(int i:G2[x]){ cnt[inv_red[x]][p[i]]++; cnt[inv_red[i]][p[x]]++; } } else{ ans.pb(false); } } else{ bool flag=false; for(int i:G[x]){ if(p[i]==p[y]){ flag=true; break; } } if(flag){ for(int i:G2[x]){ cnt[inv_red[i]][p[x]]--; } ans.pb(true); p[x]=p[y]; for(int i:G2[x]){ cnt[inv_red[i]][p[x]]++; } } else{ ans.pb(false); } } } for(bool flag:ans){ if(flag)cout << "Yes" << endl; else cout << "No" << endl; } }