This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "bits/stdc++.h"
using namespace std;
const int MAXN = 2e5 + 10;
const int MOD = 1e9 + 7;
#define int long long
mt19937_64 rng((int)std::chrono::steady_clock::now().time_since_epoch().count());
int rnd(int x, int y) {
int u = uniform_int_distribution<int>(x, y)(rng); return u;
}
int bm(int b, int p) {
if(p==0) return 1;
int r = bm(b, p/2);
if(p&1) return (((r*r) % MOD) * b) % MOD;
return (r*r) % MOD;
}
int inv(int b) {
return bm(b, MOD-2);
}
int f[MAXN];
int nCr(int n, int r) {
int ans = f[n]; ans *= inv(f[r]); ans %= MOD;
ans *= inv(f[n-r]); ans %= MOD; return ans;
}
void precomp() {
f[0] = 1;
for(int i=1; i<MAXN; i++) f[i] = (f[i-1] * i) % MOD;
}
void solve(int tc) {
int n;
cin >> n;
int c[n];
for(int i=1; i<n; i++)cin >> c[i];
vector<int> R[n+1];
for(int i=1; i<=n; i++) {
int x;cin >> x;
for(int j=0; j<x; j++) {
int y;cin >> y;
R[i].push_back(y);
}
}
int q;cin >> q;
while(q--) {
int x, y;cin >> x >> y;
int l = x, r = x;
bool have[n+1];
for(int i=1; i<=n; i++) have[i] = 0;
for(int z: R[x]) have[z] = 1;
while(1) {
if(l > 1 && have[c[l - 1]]) {
l--;
for(int z: R[l]) have[z] = 1;
}
else if(r < n && have[c[r]]) {
r++;
for(int z: R[r]) have[z] = 1;
}
else break;
}
cout << (l <= y && y <= r ? "YES\n" : "NO\n");
}
}
int32_t main(){
precomp();
ios::sync_with_stdio(0); cin.tie(0);
int t = 1; //cin >> t;
for(int i=1; i<=t; i++) solve(i);
}
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