#include<cstdio>
#include<cstdlib>
#include<iostream>
#include<vector>
#include<queue>
#include<bitset>
#include<string>
#include<stack>
#include<set>
#include<unordered_set>
#include<map>
#include<unordered_map>
#include<cstring>
#include<complex>
#include<cmath>
#include<iomanip>
#include<numeric>
#include<algorithm>
#include<list>
#include<functional>
#include<cassert>
#define mp make_pair
#define pb push_back
#define X first
#define Y second
#define y0 y12
#define y1 y22
#define INF 987654321987654321
#define PI 3.141592653589793238462643383279502884
#define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
#define fdn(i,a,b,c) for(int (i)=(a);(i)>=(b);(i)-=(c))
#define MEM0(a) memset((a),0,sizeof(a));
#define MEM_1(a) memset((a),-1,sizeof(a));
#define ALL(a) a.begin(),a.end()
#define SYNC ios_base::sync_with_stdio(false);cin.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef double db;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int, int> Pi;
typedef pair<ll, ll> Pll;
typedef pair<ld, ld> Pd;
typedef vector<int> Vi;
typedef vector<ll> Vll;
typedef vector<double> Vd;
typedef vector<Pi> VPi;
typedef vector<Pll> VPll;
typedef vector<Pd> VPd;
typedef tuple<int, int, int> iii;
typedef tuple<int,int,int,int> iiii;
typedef tuple<ll, ll, ll> LLL;
typedef vector<iii> Viii;
typedef vector<LLL> VLLL;
typedef complex<double> base;
const ll MOD = 1000000007;
ll POW(ll a, ll b, ll MMM = MOD) {ll ret=1; for(;b;b>>=1,a=(a*a)%MMM)if(b&1)ret=(ret*a)% MMM; return ret; }
ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; }
ll lcm(ll a, ll b) { if (a == 0 || b == 0)return a + b; return a*(b / gcd(a, b)); }
int dx[] = { 0,1,0,-1,1,1,-1,-1 }, dy[] = { 1,0,-1,0,1,-1,1,-1 };
int L[500001],R[500001];
int tol[500001],tor[500001];
int a[500001],t[500001];
bool l_[500001],r_[500001];
Vi v[500001];
int n,q;
void upd(int &l,int &r,int S,int E)
{
while(1)
{
if(l>S && tol[l]!=-1 && tol[l]<=r)l--;
else if(r<E && tor[r]!=-1 && tor[r]>=l)r++;
else break;
}
}
void go(int S,int E)
{
if(S==E)
{
l_[S]=r_[S]=1;
L[S]=R[S]=S;
return;
}
if(S+1==E)
{
L[S]=R[S]=S;
L[E]=R[E]=E;
l_[S]=r_[E]=1;
if(tol[E]==E)
{
L[E]=S;
l_[E]=1;
}
if(tor[S]==S)
{
R[S]=E;
r_[S]=1;
}
return;
}
int M=(S+E)>>1;
go(S,M);go(M,E);
int l=M,r=M;
fdn(i,M,S,1)
{
if(!r_[i])continue;
l=min(l,i);
l_[i]=r_[i]=0;
upd(l,r,S,E);
L[i]=min(L[i],l);
R[i]=max(R[i],r);
if(L[i]==S)l_[i]=1;
if(R[i]==E)r_[i]=1;
}
l=r=M;
fup(i,M,E,1)
{
if(!l_[i])continue;
r=max(r,i);
l_[i]=r_[i]=0;
upd(l,r,S,E);
L[i]=min(L[i],l);
R[i]=max(R[i],r);
if(L[i]==S)l_[i]=1;
if(R[i]==E)r_[i]=1;
}
}
int main() {
MEM_1(tol);MEM_1(tor);
scanf("%d",&n);
fup(i,1,n-1,1)scanf("%d",a+i);
fup(i,1,n,1)
{
int c;
scanf("%d",&c);
while(c--)
{
int x;
scanf("%d",&x);
v[i].pb(x);
}
}
MEM_1(t);
fup(i,1,n-1,1)
{
for(int x:v[i])t[x]=i;
tor[i]=t[a[i]];
}
MEM_1(t);
fdn(i,n,2,1)
{
for(int x:v[i])t[x]=i;
tol[i]=t[a[i-1]];
}
go(1,n);
scanf("%d",&q);
while(q--)
{
int x,y;
scanf("%d%d",&x,&y);
puts(L[x]<=y && R[x]>=y?"YES":"NO");
}
}
Compilation message
long_mansion.cpp: In function 'int main()':
long_mansion.cpp:132:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&n);
~~~~~^~~~~~~~~
long_mansion.cpp:133:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
fup(i,1,n-1,1)scanf("%d",a+i);
~~~~~^~~~~~~~~~
long_mansion.cpp:137:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&c);
~~~~~^~~~~~~~~
long_mansion.cpp:141:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&x);
~~~~~^~~~~~~~~
long_mansion.cpp:158:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&q);
~~~~~^~~~~~~~~
long_mansion.cpp:162:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d",&x,&y);
~~~~~^~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
21 ms |
18168 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
21 ms |
18168 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
284 ms |
25772 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
21 ms |
18168 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
