Submission #563654

# Submission time Handle Problem Language Result Execution time Memory
563654 2022-05-17T21:02:24 Z four_specks Crocodile's Underground City (IOI11_crocodile) C++17
89 / 100
529 ms 93396 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, LONG_MAX});

    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 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 2 ms 724 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 4 ms 980 KB Output is correct
13 Correct 3 ms 1108 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 2 ms 724 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 4 ms 980 KB Output is correct
13 Correct 3 ms 1108 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 425 ms 83496 KB Output is correct
17 Correct 87 ms 19768 KB Output is correct
18 Correct 114 ms 22212 KB Output is correct
19 Correct 529 ms 93396 KB Output is correct
20 Correct 255 ms 65644 KB Output is correct
21 Correct 39 ms 8652 KB Output is correct
22 Incorrect 281 ms 62968 KB Output isn't correct
23 Halted 0 ms 0 KB -