#include <bits/stdc++.h>
#define N 500050
using namespace std;
int n, q, c[N], L[N], R[N];
vector<int> pos[N];
void solve(int l, int r, int i)
{
L[i] = min(L[i], l);
R[i] = max(R[i], r);
bool ok = false;
if(r < n)
{
int q = upper_bound(pos[c[r]].begin(), pos[c[r]].end(), r) - lower_bound(pos[c[r]].begin(), pos[c[r]].end(), l);
if(q) solve(l, r + 1, i), ok = 1;
}
if(l > 1 and !ok)
{
int q = upper_bound(pos[c[l - 1]].begin(), pos[c[l - 1]].end(), r) - lower_bound(pos[c[l - 1]].begin(), pos[c[l - 1]].end(), l);
if(q) solve(l - 1, r, i);
}
}
int main()
{
ios::sync_with_stdio(false); cin.tie(0);
cin>>n;
for(int i = 1; i < n; i++) cin>>c[i];
for(int i = 1; i <= n; i++)
{
L[i] = R[i] = i;
int a, b;
cin>>a;
for(int x = 1; x <= a; x++)
{
cin>>b;
pos[b].push_back(i);
}
}
for(int i = 1; i <= n; i++) solve(i, i, i);
cin>>q;
for(int i = 1; i <= q; i++)
{
int x, y;
cin>>x>>y;
if(L[x] <= y and y <= R[x]) cout<<"YES\n";
else cout<<"NO\n";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
12280 KB |
Output is correct |
2 |
Correct |
230 ms |
12460 KB |
Output is correct |
3 |
Correct |
1108 ms |
12708 KB |
Output is correct |
4 |
Correct |
18 ms |
12744 KB |
Output is correct |
5 |
Correct |
241 ms |
12880 KB |
Output is correct |
6 |
Correct |
27 ms |
12880 KB |
Output is correct |
7 |
Correct |
24 ms |
12940 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
12280 KB |
Output is correct |
2 |
Correct |
230 ms |
12460 KB |
Output is correct |
3 |
Correct |
1108 ms |
12708 KB |
Output is correct |
4 |
Correct |
18 ms |
12744 KB |
Output is correct |
5 |
Correct |
241 ms |
12880 KB |
Output is correct |
6 |
Correct |
27 ms |
12880 KB |
Output is correct |
7 |
Correct |
24 ms |
12940 KB |
Output is correct |
8 |
Correct |
149 ms |
18804 KB |
Output is correct |
9 |
Correct |
157 ms |
23128 KB |
Output is correct |
10 |
Correct |
347 ms |
27892 KB |
Output is correct |
11 |
Correct |
1196 ms |
32692 KB |
Output is correct |
12 |
Correct |
173 ms |
36436 KB |
Output is correct |
13 |
Correct |
161 ms |
40764 KB |
Output is correct |
14 |
Correct |
174 ms |
45124 KB |
Output is correct |
15 |
Correct |
210 ms |
49620 KB |
Output is correct |
16 |
Correct |
384 ms |
53580 KB |
Output is correct |
17 |
Correct |
146 ms |
57740 KB |
Output is correct |
18 |
Correct |
143 ms |
62244 KB |
Output is correct |
19 |
Correct |
160 ms |
66520 KB |
Output is correct |
20 |
Correct |
317 ms |
71048 KB |
Output is correct |
21 |
Correct |
372 ms |
74876 KB |
Output is correct |
22 |
Correct |
194 ms |
78744 KB |
Output is correct |
23 |
Correct |
138 ms |
82952 KB |
Output is correct |
24 |
Correct |
138 ms |
87124 KB |
Output is correct |
25 |
Correct |
205 ms |
91392 KB |
Output is correct |
26 |
Correct |
146 ms |
95764 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3064 ms |
99544 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
12280 KB |
Output is correct |
2 |
Correct |
230 ms |
12460 KB |
Output is correct |
3 |
Correct |
1108 ms |
12708 KB |
Output is correct |
4 |
Correct |
18 ms |
12744 KB |
Output is correct |
5 |
Correct |
241 ms |
12880 KB |
Output is correct |
6 |
Correct |
27 ms |
12880 KB |
Output is correct |
7 |
Correct |
24 ms |
12940 KB |
Output is correct |
8 |
Correct |
149 ms |
18804 KB |
Output is correct |
9 |
Correct |
157 ms |
23128 KB |
Output is correct |
10 |
Correct |
347 ms |
27892 KB |
Output is correct |
11 |
Correct |
1196 ms |
32692 KB |
Output is correct |
12 |
Correct |
173 ms |
36436 KB |
Output is correct |
13 |
Correct |
161 ms |
40764 KB |
Output is correct |
14 |
Correct |
174 ms |
45124 KB |
Output is correct |
15 |
Correct |
210 ms |
49620 KB |
Output is correct |
16 |
Correct |
384 ms |
53580 KB |
Output is correct |
17 |
Correct |
146 ms |
57740 KB |
Output is correct |
18 |
Correct |
143 ms |
62244 KB |
Output is correct |
19 |
Correct |
160 ms |
66520 KB |
Output is correct |
20 |
Correct |
317 ms |
71048 KB |
Output is correct |
21 |
Correct |
372 ms |
74876 KB |
Output is correct |
22 |
Correct |
194 ms |
78744 KB |
Output is correct |
23 |
Correct |
138 ms |
82952 KB |
Output is correct |
24 |
Correct |
138 ms |
87124 KB |
Output is correct |
25 |
Correct |
205 ms |
91392 KB |
Output is correct |
26 |
Correct |
146 ms |
95764 KB |
Output is correct |
27 |
Execution timed out |
3064 ms |
99544 KB |
Time limit exceeded |
28 |
Halted |
0 ms |
0 KB |
- |