oj.uz

Submission #827042

# Submission time Handle Problem Language Result Execution time Memory
827042 2023-08-16T08:18:59 Z Hanksburger Passport (JOI23_passport) C++17
16 / 100
 2000 ms 1048576 KB 
#include <bits/stdc++.h>
using namespace std;
int dist[2505][2505], ans[200005];
vector<int> adj[200005];
queue<int> q;
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n, m;
    cin >> n;
    for (int i=1; i<=n; i++)
    {
        int l, r;
        cin >> l >> r;
        for (int j=l; j<=r; j++)
            adj[i].push_back(j);
    }
    for (int i=1; i<=n; i++)
    {
        for (int j=1; j<=n; j++)
            dist[i][j]=1e8;
        dist[i][i]=0;
        q.push(i);
        while (!q.empty())
        {
            int u=q.front();
            q.pop();
            for (int v:adj[u])
            {
                if (dist[i][u]+1<dist[i][v])
                {
                    dist[i][v]=dist[i][u]+1;
                    q.push(v);
                }
            }
        }
    }
    for (int i=1; i<=n; i++)
    {
        ans[i]=min(dist[i][1]+dist[1][n], dist[i][n]+dist[n][1]);
        for (int j=2; j<n; j++)
            ans[i]=min(ans[i], dist[i][j]+dist[j][1]+dist[j][n]-1);
    }
    cin >> m;
    for (int i=1; i<=m; i++)
    {
        int x;
        cin >> x;
        if (ans[x]<5e7)
            cout << ans[x] << '\n';
        else
            cout << -1 << '\n';
    }
}

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 5024 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Runtime error 965 ms 1048576 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5024 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 3 ms 5028 KB Output is correct
9 Correct 4 ms 5032 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 11 ms 6620 KB Output is correct
12 Correct 5 ms 6556 KB Output is correct
13 Correct 29 ms 6844 KB Output is correct
14 Correct 17 ms 6740 KB Output is correct
15 Correct 8 ms 6564 KB Output is correct

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5024 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 3 ms 5028 KB Output is correct
9 Correct 4 ms 5032 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 11 ms 6620 KB Output is correct
12 Correct 5 ms 6556 KB Output is correct
13 Correct 29 ms 6844 KB Output is correct
14 Correct 17 ms 6740 KB Output is correct
15 Correct 8 ms 6564 KB Output is correct
16 Execution timed out 2064 ms 26168 KB Time limit exceeded
17 Halted 0 ms 0 KB -

Subtask #4
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5024 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 3 ms 5028 KB Output is correct
9 Correct 4 ms 5032 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 11 ms 6620 KB Output is correct
12 Correct 5 ms 6556 KB Output is correct
13 Correct 29 ms 6844 KB Output is correct
14 Correct 17 ms 6740 KB Output is correct
15 Correct 8 ms 6564 KB Output is correct
16 Execution timed out 2064 ms 26168 KB Time limit exceeded
17 Halted 0 ms 0 KB -

Subtask #5
0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 5024 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Runtime error 965 ms 1048576 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -