Submission #563656

# Submission time Handle Problem Language Result Execution time Memory
563656 2022-05-17T21:04:16 Z four_specks Crocodile's Underground City (IOI11_crocodile) C++17
89 / 100
513 ms 77032 KB
#include "crocodile.h"

#include <bits/stdc++.h>

using namespace std;

inline namespace
{
} // namespace

int travel_plan(int N, int M, int R[][2], int L[], int K, int P[])
{
    vector<vector<pair<int, long>>> adj(N);
    for (int i = 0; i < M; i++)
        adj[R[i][0]].emplace_back(R[i][1], L[i]),
        adj[R[i][1]].emplace_back(R[i][0], L[i]);

    vector<array<long, 2>> dist(N, {LONG_MAX / 10, LONG_MAX / 10});

    priority_queue<pair<long, int>> pq;
    for (int i = 0; i < K; i++)
        pq.emplace(0, P[i]), dist[P[i]] = {0, 0};

    while (!pq.empty())
    {
        auto [d, u] = pq.top();
        pq.pop();

        if (-d != dist[u][1])
            continue;

        for (auto [v, w] : adj[u])
        {
            long cost = w - d;
            if (cost < dist[v][0])
                dist[v][1] = dist[v][0],
                dist[v][0] = cost;
            else if (cost < dist[v][1])
                dist[v][1] = cost;
            else
                continue;

            pq.emplace(-dist[v][1], v);
        }
    }

    return dist[0][1];
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 2 ms 668 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 3 ms 980 KB Output is correct
13 Correct 3 ms 980 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 2 ms 668 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 3 ms 980 KB Output is correct
13 Correct 3 ms 980 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 407 ms 67420 KB Output is correct
17 Correct 90 ms 16556 KB Output is correct
18 Correct 106 ms 18780 KB Output is correct
19 Correct 513 ms 77032 KB Output is correct
20 Correct 251 ms 52720 KB Output is correct
21 Correct 39 ms 7260 KB Output is correct
22 Incorrect 277 ms 48816 KB Output isn't correct
23 Halted 0 ms 0 KB -