oj.uz

Submission #964651

# Submission time Handle Problem Language Result Execution time Memory
964651 2024-04-17T09:24:31 Z fve5 Werewolf (IOI18_werewolf) C++17
15 / 100
 400 ms 19544 KB 
#include <bits/stdc++.h>
#include "werewolf.h"
using namespace std;

vector<int> solve_naive(
    int N, int M, int Q,
    vector<int> X, vector<int> Y,
    vector<int> S, vector<int> E,
    vector<int> L, vector<int> R
) {
    vector<vector<int>> adj(N);
    for (int i = 0; i < M; i++) {
        adj[X[i]].push_back(Y[i]);
        adj[Y[i]].push_back(X[i]);
    }

    vector<int> ans(Q);
    for (int i = 0; i < Q; i++) {
        vector<array<bool, 2>> visited(N);
        queue<pair<int, bool>> q;

        q.emplace(S[i], 0);
        while (!q.empty()) {
            auto [node, st] = q.front(); q.pop();
            if (visited[node][st]) continue;
            visited[node][st] = true;
            
            for (auto x: adj[node]) {
                if (!st && x >= L[i]) q.emplace(x, st);
                if (st && x <= R[i]) q.emplace(x, st);
            }

            if (!st && L[i] <= node && node <= R[i]) q.emplace(node, 1);
        }

        ans[i] = visited[E[i]][1];
    }

    return ans;
}

vector<int> check_validity(
    int N,
    vector<int> X, vector<int> Y,
    vector<int> S, vector<int> E,
    vector<int> L, vector<int> R
) {
    int M = X.size();
    int Q = S.size();

    if (N <= 3000 && M <= 6000 && Q <= 3000) {
        return solve_naive(N, M, Q, X, Y, S, E, L, R);
    }
    assert(false);
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 440 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 440 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 400 ms 952 KB Output is correct
11 Correct 252 ms 936 KB Output is correct
12 Correct 17 ms 924 KB Output is correct
13 Correct 319 ms 956 KB Output is correct
14 Correct 222 ms 920 KB Output is correct
15 Correct 288 ms 1084 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Runtime error 94 ms 19544 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 440 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 400 ms 952 KB Output is correct
11 Correct 252 ms 936 KB Output is correct
12 Correct 17 ms 924 KB Output is correct
13 Correct 319 ms 956 KB Output is correct
14 Correct 222 ms 920 KB Output is correct
15 Correct 288 ms 1084 KB Output is correct
16 Runtime error 94 ms 19544 KB Execution killed with signal 6
17 Halted 0 ms 0 KB -