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Submission #1030706

# Submission time Handle Problem Language Result Execution time Memory
1030706 2024-07-22T08:52:46 Z amine_aroua Cyberland (APIO23_cyberland) C++17
15 / 100
 29 ms 9180 KB 
#include "cyberland.h"

#include <bits/stdc++.h>
using namespace std;
const double eps = 1e-8;
vector<bool> reach;
void dfs(int x , vector<vector<pair<long long ,long long>>> &adj)
{
    if(reach[x])
        return ;
    reach[x] = 1;
    for(auto u : adj[x])
        dfs(u.first , adj);
}
double solve(int N, int M, int K, int H, std::vector<int> x, std::vector<int> y, std::vector<int> c, std::vector<int> arr)
{
    reach.assign(N , 0);
    vector<vector<pair<long long ,long long>>> adj(N);
    for(long long i = 0 ; i < M ; i++)
    {
        adj[x[i]].push_back({y[i] , c[i]});
        adj[y[i]].push_back({x[i] , c[i]});
    }
    priority_queue<pair<double , long long> , vector<pair<double , long long>> , greater<pair<double , long long>>> pq;
    vector<double> dist(N , 1e16);
    vector<bool> vis(N , 0);
    dist[0] = 0;
    dfs(0 , adj);
    pq.push({0 , 0});
    for(int i = 0 ; i < N ; i++)
    {
        if(arr[i] == 0 && reach[i])
        {
            dist[i] = 0;
            pq.push({0 , i});
        }
    }
    while(!pq.empty())
    {
        auto tp = pq.top();
        pq.pop();
        double d = tp.first ;
        long long node = tp.second;
        if(vis[node])
            continue;
        vis[node] = 1;
        for(auto [u , cost] : adj[node])
        {
            double nd = d + (double)cost;
            if(nd < eps + dist[u])
            {
                dist[u] = nd;
                pq.push({nd , u});
            }
        }
    }
    double mn = dist[H];
    return (mn + eps >= 1e16 ? -1 : mn);
}

Subtask #1
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 12 ms 600 KB Wrong Answer.
2 Halted 0 ms 0 KB -

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 632 KB Correct.
2 Correct 19 ms 600 KB Correct.
3 Correct 19 ms 600 KB Correct.
4 Correct 19 ms 596 KB Correct.
5 Correct 22 ms 592 KB Correct.
6 Correct 17 ms 1440 KB Correct.
7 Correct 28 ms 1456 KB Correct.
8 Correct 10 ms 2652 KB Correct.
9 Correct 18 ms 512 KB Correct.
10 Correct 17 ms 344 KB Correct.

Subtask #3
0.0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 22 ms 604 KB Wrong Answer.
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 29 ms 9180 KB Wrong Answer.
2 Halted 0 ms 0 KB -

Subtask #5
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 604 KB Correct.
2 Correct 24 ms 604 KB Correct.
3 Correct 18 ms 604 KB Correct.
4 Correct 18 ms 1372 KB Correct.
5 Correct 16 ms 348 KB Correct.

Subtask #6
0.0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 19 ms 600 KB Wrong Answer.
2 Halted 0 ms 0 KB -

Subtask #7
0.0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 23 ms 604 KB Wrong Answer.
2 Halted 0 ms 0 KB -

Subtask #8
0.0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 19 ms 600 KB Wrong Answer.
2 Halted 0 ms 0 KB -