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Submission #1099393

# Submission time Handle Problem Language Result Execution time Memory
1099393 2024-10-11T09:05:40 Z mihaihvh Circle Passing (EGOI24_circlepassing) C++14
20 / 100
 2000 ms 1048576 KB 
#include <iostream>
#include <set>
#include <queue>
#include <vector>

using namespace std;

vector<set<int>> v;

int n, m, q;
int M;

void bf(int k, int l) {
    //int viz[20001]{0};
    vector<int> viz(2*n);
    queue<int> q;
    viz[k] = 1;
    q.push(k);
    bool E = 1;
    while (!q.empty() && E) {
        for (auto m : v[q.front()]) {
            if (!viz[m]) {
                q.push(m);
                viz[m] = viz[q.front()] + 1;
                if (m == l) {
                    cout << viz[l] - 1 << '\n';
                    return;
                }
            }
        }
        q.pop();
    }
    cout << viz[l] - 1 << '\n';
}

int main() {
    cin >> n >> m >> q;
    vector<set<int>> V(2*n);
    v = V;
    for (int i = 0; i < m; ++i) {
        cin >> M;
        v[M].insert(M+n);
        v[M+n].insert(M);
    }
    for (int i = 0; i < 2*n; ++i) {
        if (i == 0)
            v[i].insert(2*n-1);
        if (i == 2*n-1)
            v[i].insert(0);
        if (i < 2*n-1) v[i].insert(i+1);
        if (i > 0) v[i].insert(i-1);
    }

    for (int i = 0; i < q; ++i) {
        int a, b;
        cin >> a >> b;
        bf(a, b);
    }
    return 0;
}

Subtask #1
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 344 KB Output is correct
2 Correct 30 ms 348 KB Output is correct
3 Correct 47 ms 528 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Execution timed out 2091 ms 38744 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 4 ms 348 KB Output is correct
3 Correct 6 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 3 ms 348 KB Output is correct
7 Correct 5 ms 348 KB Output is correct
8 Correct 10 ms 604 KB Output is correct
9 Correct 13 ms 860 KB Output is correct
10 Correct 10 ms 604 KB Output is correct
11 Correct 10 ms 604 KB Output is correct
12 Correct 10 ms 604 KB Output is correct
13 Correct 10 ms 600 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct

Subtask #3
0.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 4 ms 348 KB Output is correct
3 Correct 6 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 3 ms 348 KB Output is correct
7 Correct 5 ms 348 KB Output is correct
8 Correct 10 ms 604 KB Output is correct
9 Correct 13 ms 860 KB Output is correct
10 Correct 10 ms 604 KB Output is correct
11 Correct 10 ms 604 KB Output is correct
12 Correct 10 ms 604 KB Output is correct
13 Correct 10 ms 600 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 856 KB Output is correct
22 Correct 4 ms 348 KB Output is correct
23 Correct 5 ms 432 KB Output is correct
24 Correct 2 ms 348 KB Output is correct
25 Correct 2 ms 348 KB Output is correct
26 Correct 3 ms 348 KB Output is correct
27 Correct 5 ms 348 KB Output is correct
28 Correct 13 ms 604 KB Output is correct
29 Correct 13 ms 860 KB Output is correct
30 Correct 10 ms 604 KB Output is correct
31 Correct 10 ms 604 KB Output is correct
32 Correct 11 ms 604 KB Output is correct
33 Correct 10 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 2 ms 604 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Runtime error 421 ms 1048576 KB Execution killed with signal 9
38 Halted 0 ms 0 KB -

Subtask #4
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 604 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 344 KB Output is correct
2 Correct 30 ms 348 KB Output is correct
3 Correct 47 ms 528 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Execution timed out 2091 ms 38744 KB Time limit exceeded
6 Halted 0 ms 0 KB -