Submission #752977

# Submission time Handle Problem Language Result Execution time Memory
752977 2023-06-04T11:33:12 Z MohamedFaresNebili Cyberland (APIO23_cyberland) C++17
Compilation error
0 ms 0 KB
#include <bits/stdc++.h>
 
        using namespace std;
        using ll = long long;
 
        const ll M = 1000000000000000000;
 
        double solve(int n, int m, int k, int h, vector<int> x,
                     vector<int> y, vector<int> c, vector<int> arr) {
            long double d[n]; d[0] = 0;
            for(int l = 1; l < n; l++) d[l] = M;
            vector<pair<int, int>> adj[n];
            for(int l = 0; l < m; l++) {
                adj[x[l]].push_back({y[l], c[l]});
                adj[y[l]].push_back({x[l], c[l]});
            }
            priority_queue<pair<double, int>,
            vector<pair<long double, int>>, greater<pair<long double, int>>> pq;
            pq.push({0, 0});
            while(!pq.empty()) {
                double w = pq.top().first;
                int u = pq.top().second; pq.pop();
                for(auto v : adj[u]) {
                    double D = w + v.second;
                    if(arr[v.first] == 0) D = 0;
                    if(arr[v.first] == 2) D /= 2.0;
 
                    if(d[v.first] > D) {
                        d[v.first] = D;
                        if(v.first != h) pq.push({d[v.first], v.first});
                    }
                }
            }
            if(d[h] == M) return -1;
            return d[h];
        }

Compilation message

In file included from /usr/include/c++/10/queue:64,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from cyberland.cpp:1:
/usr/include/c++/10/bits/stl_queue.h: In instantiation of 'class std::priority_queue<std::pair<double, int>, std::vector<std::pair<long double, int> >, std::greater<std::pair<long double, int> > >':
cyberland.cpp:18:78:   required from here
/usr/include/c++/10/bits/stl_queue.h:480:67: error: static assertion failed: value_type must be the same as the underlying container
  480 |       static_assert(is_same<_Tp, typename _Sequence::value_type>::value,
      |                                                                   ^~~~~