oj.uz

Submission #447601

# Submission time Handle Problem Language Result Execution time Memory
447601 2021-07-27T05:59:05 Z blue Long Mansion (JOI17_long_mansion) C++17
10 / 100
 3000 ms 26948 KB 
#include <iostream>
#include <set>
#include <vector>
using namespace std;

int main()
{
    int N;
    cin >> N;

    int C[N+1];
    for(int i = 1; i < N; i++) cin >> C[i];

    set<int> keys[N+1];
    for(int i = 1; i <= N; i++)
    {
        int B;
        cin >> B;

        for(int j = 1; j <= B; j++)
        {
            int A;
            cin >> A;
            keys[i].insert(A);
        }
    }


    vector<int> left_reach(1+N), right_reach(1+N);

    for(int i = 1; i <= N; i++)
    {
        left_reach[i] = right_reach[i] = i;
        set<int> curr_keys;
        for(int k: keys[i]) curr_keys.insert(k);

        while(1)
        {
            if(left_reach[i] != 1 && curr_keys.find( C[ left_reach[i]-1 ]) != curr_keys.end() )
            {
                left_reach[i]--;
                for(int k: keys[ left_reach[i] ]) curr_keys.insert(k);
            }
            else if(right_reach[i] != N && curr_keys.find( C[ right_reach[i] ] ) != curr_keys.end())
            {
                right_reach[i]++;
                for(int k: keys[ right_reach[i] ]) curr_keys.insert(k);
            }
            else break;
        }
    }



    int Q;
    cin >> Q;
    for(int q = 1; q <= Q; q++)
    {
        int x, y;

        cin >> x >> y;

        if(left_reach[x] <= y && y <= right_reach[x])
        {
            cout << "YES\n";
        }
        else cout << "NO\n";
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 588 KB Output is correct
2 Correct 155 ms 716 KB Output is correct
3 Correct 383 ms 876 KB Output is correct
4 Correct 32 ms 680 KB Output is correct
5 Correct 436 ms 636 KB Output is correct
6 Correct 153 ms 664 KB Output is correct
7 Correct 128 ms 668 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 588 KB Output is correct
2 Correct 155 ms 716 KB Output is correct
3 Correct 383 ms 876 KB Output is correct
4 Correct 32 ms 680 KB Output is correct
5 Correct 436 ms 636 KB Output is correct
6 Correct 153 ms 664 KB Output is correct
7 Correct 128 ms 668 KB Output is correct
8 Correct 1102 ms 6488 KB Output is correct
9 Correct 1076 ms 6608 KB Output is correct
10 Correct 1235 ms 6932 KB Output is correct
11 Correct 1452 ms 7452 KB Output is correct
12 Correct 1114 ms 6276 KB Output is correct
13 Correct 1061 ms 6760 KB Output is correct
14 Correct 1093 ms 6848 KB Output is correct
15 Correct 1273 ms 6616 KB Output is correct
16 Correct 1467 ms 6540 KB Output is correct
17 Correct 1067 ms 6704 KB Output is correct
18 Correct 1129 ms 6740 KB Output is correct
19 Correct 1131 ms 6708 KB Output is correct
20 Correct 1456 ms 6860 KB Output is correct
21 Correct 1478 ms 6676 KB Output is correct
22 Correct 1420 ms 6688 KB Output is correct
23 Correct 1230 ms 6476 KB Output is correct
24 Correct 1222 ms 6720 KB Output is correct
25 Correct 1177 ms 6572 KB Output is correct
26 Correct 1113 ms 6544 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3076 ms 26948 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 588 KB Output is correct
2 Correct 155 ms 716 KB Output is correct
3 Correct 383 ms 876 KB Output is correct
4 Correct 32 ms 680 KB Output is correct
5 Correct 436 ms 636 KB Output is correct
6 Correct 153 ms 664 KB Output is correct
7 Correct 128 ms 668 KB Output is correct
8 Correct 1102 ms 6488 KB Output is correct
9 Correct 1076 ms 6608 KB Output is correct
10 Correct 1235 ms 6932 KB Output is correct
11 Correct 1452 ms 7452 KB Output is correct
12 Correct 1114 ms 6276 KB Output is correct
13 Correct 1061 ms 6760 KB Output is correct
14 Correct 1093 ms 6848 KB Output is correct
15 Correct 1273 ms 6616 KB Output is correct
16 Correct 1467 ms 6540 KB Output is correct
17 Correct 1067 ms 6704 KB Output is correct
18 Correct 1129 ms 6740 KB Output is correct
19 Correct 1131 ms 6708 KB Output is correct
20 Correct 1456 ms 6860 KB Output is correct
21 Correct 1478 ms 6676 KB Output is correct
22 Correct 1420 ms 6688 KB Output is correct
23 Correct 1230 ms 6476 KB Output is correct
24 Correct 1222 ms 6720 KB Output is correct
25 Correct 1177 ms 6572 KB Output is correct
26 Correct 1113 ms 6544 KB Output is correct
27 Execution timed out 3076 ms 26948 KB Time limit exceeded
28 Halted 0 ms 0 KB -