#include #include #define rep(i,b) for(int i=0;i=0;i--) #define rep1(i,b) for(int i=1;i=x;i--) #define fore(i,a) for(auto& i:a) #define rng(x) (x).begin(), (x).end() #define rrng(x) (x).rbegin(), (x).rend() #define sz(x) ((int)(x).size()) #define pb push_back #define fi first #define se second #define pcnt __builtin_popcountll using namespace std; using namespace atcoder; using ll = long long; using ld = long double; template using mpq = priority_queue, greater>; template bool chmax(T &a, const T &b) { if (a bool chmin(T &a, const T &b) { if (b ll sumv(const vector&a){ll res(0);for(auto&&x:a)res+=x;return res;} bool yn(bool a) { if(a) {cout << "Yes" << endl; return true;} else {cout << "No" << endl; return false;}} #define dame { cout << "No" << endl; return;} #define dame1 { cout << -1 << endl; return;} #define cout2(x,y) cout << x << " " << y << endl; #define coutp(p) cout << p.fi << " " << p.se << endl; #define out cout << ans << endl; #define outd cout << fixed << setprecision(20) << ans << endl; #define outm cout << ans.val() << endl; #define outv fore(yans , ans) cout << yans << "\n"; #define outdv fore(yans , ans) cout << yans.val() << "\n"; #define coutv(v) {fore(vy , v) {cout << vy << " ";} cout << endl;} #define coutv2(v) fore(vy , v) cout << vy << "\n"; #define coutvm(v) {fore(vy , v) {cout << vy.val() << " ";} cout << endl;} #define coutvm2(v) fore(vy , v) cout << vy.val() << "\n"; using pll = pair;using pil = pair;using pli = pair;using pii = pair;using pdd = pair; using tp = tuple; using vi = vector;using vd = vector;using vl = vector;using vs = vector;using vb = vector; using vpii = vector;using vpli = vector;using vpll = vector;using vpil = vector; using vvi = vector>;using vvl = vector>;using vvs = vector>;using vvb = vector>; using vvpii = vector>;using vvpli = vector>;using vvpll = vector;using vvpil = vector; using mint = modint998244353; //using mint = modint1000000007; //using mint = dynamic_modint<0>; using vm = vector; using vvm = vector>; vector dx={1,0,-1,0,1,1,-1,-1},dy={0,1,0,-1,1,-1,1,-1}; ll gcd(ll a, ll b) { return a?gcd(b%a,a):b;} ll lcm(ll a, ll b) { return a/gcd(a,b)*b;} #define yes {cout <<"Yes"<>n>>m; vi p(n); rep(i,n) cin>>p[i],p[i]--; vvi e(n); vvi e2(n); vi d(n); rep(i,m){ int a,b; cin>>a>>b; a--; b--; d[a]++; d[b]++; e2[a].pb(b); e2[b].pb(a); } int th = (int)sqrt(n) + 1; if (th>n) th = n; vi idx; vi idxr(n); rep(i,n){ if (d[i]>th){ idxr[i] = sz(idx); idx.pb(i); fore(y , e2[i]) e[y].pb(i); } } int k = sz(idx); vvi cnt(k,vi(n)); rep(i,k) fore(y , e2[idx[i]]) cnt[i][p[y]]++; int q; cin>>q; vb ans(q); rep(i,q){ int x,y; cin>>x>>y; x--; y--; if (p[x]==p[y]) continue; auto move = [&](int a,int w)->void{ fore(y , e[a]) cnt[idxr[y]][p[a]]--; p[a] = w; fore(y , e[a]) cnt[idxr[y]][p[a]]++; }; if (d[x]>th){ int l = idxr[x]; if (cnt[l][p[y]]){ ans[i] = true; move(x,p[y]); } }else{ bool ok = false; fore(yy , e2[x]) if (p[yy]==p[y]) ok = true; if (ok){ ans[i] = true; move(x,p[y]); } } } rep(i,q) yn(ans[i]); return; } int main(){ ios::sync_with_stdio(false); cin.tie(0); int t = 1; //cin>>t; rep(i,t){ solve(); } return 0; }