oj.uz

Submission #1081656

# Submission time Handle Problem Language Result Execution time Memory
1081656 2024-08-30T08:51:12 Z daoquanglinh2007 Long Mansion (JOI17_long_mansion) C++17
100 / 100
 182 ms 54272 KB 
#include <bits/stdc++.h>
using namespace std;
 
const int NM = 5e5;
 
int N, Q, C[NM+5], B[NM+5], pre[NM+5], nxt[NM+5], lst[NM+5];
vector <int> arr[NM+5];
int l[NM+5], r[NM+5];
 
void solve(int u){
    int curl = u, curr = u;
    while (true){
        if (curl > 1 && nxt[curl] <= curr){
            curl--;
            if (l[curl] <= u && r[curl] >= u){
                l[u] = l[curl];
                r[u] = r[curl];
                return;
            }
        }
        else if (curr < N && pre[curr] >= curl){
            curr++;
        }
        else break;
    }
    l[u] = curl, r[u] = curr;
}
 
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
 
    cin >> N;
    for (int i = 1; i < N; i++) cin >> C[i];
    for (int i = 1; i <= N; i++){
        cin >> B[i];
        arr[i].resize(B[i]);
        for (int j = 0; j < B[i]; j++) cin >> arr[i][j];
    }
    for (int i = 1; i < N; i++){
        for (int x : arr[i]) lst[x] = i;
        pre[i] = lst[C[i]];
    }
    for (int i = 1; i <= N; i++) lst[i] = N+1;
    for (int i = N; i > 1; i--){
        for (int x : arr[i]) lst[x] = i;
        nxt[i] = lst[C[i-1]];
    }
    for (int i = 1; i <= N; i++) solve(i);
 
    cin >> Q;
    while (Q--){
        int x, y; cin >> x >> y;
        if (l[x] <= y && r[x] >= y){
            cout << "YES\n";
            continue;
        }
        cout << "NO\n";
    }
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12220 KB Output is correct
2 Correct 7 ms 12376 KB Output is correct
3 Correct 7 ms 12636 KB Output is correct
4 Correct 6 ms 12380 KB Output is correct
5 Correct 7 ms 12380 KB Output is correct
6 Correct 7 ms 12340 KB Output is correct
7 Correct 7 ms 12376 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12220 KB Output is correct
2 Correct 7 ms 12376 KB Output is correct
3 Correct 7 ms 12636 KB Output is correct
4 Correct 6 ms 12380 KB Output is correct
5 Correct 7 ms 12380 KB Output is correct
6 Correct 7 ms 12340 KB Output is correct
7 Correct 7 ms 12376 KB Output is correct
8 Correct 66 ms 18264 KB Output is correct
9 Correct 66 ms 18000 KB Output is correct
10 Correct 70 ms 18516 KB Output is correct
11 Correct 66 ms 18768 KB Output is correct
12 Correct 67 ms 17748 KB Output is correct
13 Correct 60 ms 18256 KB Output is correct
14 Correct 71 ms 18492 KB Output is correct
15 Correct 74 ms 18260 KB Output is correct
16 Correct 57 ms 18204 KB Output is correct
17 Correct 60 ms 18432 KB Output is correct
18 Correct 67 ms 18256 KB Output is correct
19 Correct 61 ms 18388 KB Output is correct
20 Correct 92 ms 18232 KB Output is correct
21 Correct 57 ms 18208 KB Output is correct
22 Correct 58 ms 18260 KB Output is correct
23 Correct 62 ms 18004 KB Output is correct
24 Correct 60 ms 18004 KB Output is correct
25 Correct 74 ms 18000 KB Output is correct
26 Correct 82 ms 18000 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 102 ms 27212 KB Output is correct
2 Correct 105 ms 26812 KB Output is correct
3 Correct 114 ms 26680 KB Output is correct
4 Correct 104 ms 27096 KB Output is correct
5 Correct 120 ms 26960 KB Output is correct
6 Correct 125 ms 26252 KB Output is correct
7 Correct 118 ms 25940 KB Output is correct
8 Correct 86 ms 25936 KB Output is correct
9 Correct 89 ms 25936 KB Output is correct
10 Correct 86 ms 25940 KB Output is correct
11 Correct 93 ms 26192 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12220 KB Output is correct
2 Correct 7 ms 12376 KB Output is correct
3 Correct 7 ms 12636 KB Output is correct
4 Correct 6 ms 12380 KB Output is correct
5 Correct 7 ms 12380 KB Output is correct
6 Correct 7 ms 12340 KB Output is correct
7 Correct 7 ms 12376 KB Output is correct
8 Correct 66 ms 18264 KB Output is correct
9 Correct 66 ms 18000 KB Output is correct
10 Correct 70 ms 18516 KB Output is correct
11 Correct 66 ms 18768 KB Output is correct
12 Correct 67 ms 17748 KB Output is correct
13 Correct 60 ms 18256 KB Output is correct
14 Correct 71 ms 18492 KB Output is correct
15 Correct 74 ms 18260 KB Output is correct
16 Correct 57 ms 18204 KB Output is correct
17 Correct 60 ms 18432 KB Output is correct
18 Correct 67 ms 18256 KB Output is correct
19 Correct 61 ms 18388 KB Output is correct
20 Correct 92 ms 18232 KB Output is correct
21 Correct 57 ms 18208 KB Output is correct
22 Correct 58 ms 18260 KB Output is correct
23 Correct 62 ms 18004 KB Output is correct
24 Correct 60 ms 18004 KB Output is correct
25 Correct 74 ms 18000 KB Output is correct
26 Correct 82 ms 18000 KB Output is correct
27 Correct 102 ms 27212 KB Output is correct
28 Correct 105 ms 26812 KB Output is correct
29 Correct 114 ms 26680 KB Output is correct
30 Correct 104 ms 27096 KB Output is correct
31 Correct 120 ms 26960 KB Output is correct
32 Correct 125 ms 26252 KB Output is correct
33 Correct 118 ms 25940 KB Output is correct
34 Correct 86 ms 25936 KB Output is correct
35 Correct 89 ms 25936 KB Output is correct
36 Correct 86 ms 25940 KB Output is correct
37 Correct 93 ms 26192 KB Output is correct
38 Correct 157 ms 48724 KB Output is correct
39 Correct 171 ms 54272 KB Output is correct
40 Correct 147 ms 41868 KB Output is correct
41 Correct 182 ms 52676 KB Output is correct
42 Correct 92 ms 27216 KB Output is correct
43 Correct 89 ms 27216 KB Output is correct
44 Correct 123 ms 35532 KB Output is correct
45 Correct 124 ms 35896 KB Output is correct
46 Correct 117 ms 35924 KB Output is correct
47 Correct 88 ms 27284 KB Output is correct
48 Correct 93 ms 27052 KB Output is correct
49 Correct 151 ms 35772 KB Output is correct
50 Correct 120 ms 35668 KB Output is correct
51 Correct 120 ms 36136 KB Output is correct
52 Correct 119 ms 34604 KB Output is correct
53 Correct 140 ms 42052 KB Output is correct
54 Correct 156 ms 49576 KB Output is correct
55 Correct 135 ms 42320 KB Output is correct