oj.uz

Submission #1099367

# Submission time Handle Problem Language Result Execution time Memory
1099367 2024-10-11T08:46:49 Z mihaihvh Circle Passing (EGOI24_circlepassing) C++14
0 / 100
 1 ms 348 KB 
#include <fstream>
#include <set>
#include <queue>
#include <vector>

using namespace std;

ifstream cin("in.in");
ofstream cout("out.out");

set<int> v[2001];
vector<pair<int, int>> Q;


int n, m, q;
int M[1001];

void bf(int k, int l) {
    int viz[2001]{0};
    queue<int> q;
    viz[k] = 1;
    q.push(k);
    while (!q.empty()) {
        for (auto m : v[q.front()]) {
            if (!viz[m]) {
                q.push(m);
                viz[m] = viz[q.front()] + 1;
            }
        }
        q.pop();
    }
    cout << viz[l] - 1 << '\n';
}

int main() {
    cin >> n >> m >> q;
    for (int i = 0; i < m; ++i) {
        cin >> M[i];
    }
    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) {
        for (int j = 0; j < m; ++j) {
            int a, b;
            cin >> a >> b;
            Q.push_back(make_pair(a, b));
            if (M[j] == i) {
                v[a].insert(b);
                v[b].insert(a);
            }
        }
    }

    for (auto p : Q) {
        bf(p.first, p.second);
    }

    return 0;
}

Subtask #1
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -